hintergrund Fixes

.env

@@ -1,15 +1,2 @@
-# MindMap Umgebungsvariablen
-# Kopiere diese Datei zu .env und passe die Werte an
-
-# Flask
-FLASK_APP=app.py
-FLASK_DEBUG=1
-SECRET_KEY=ETMyh4JfBfvpZSscqfuzjCOAvelm5lEju
-
-# OpenAI API
-OPENAI_API_KEY=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
-
-# Datenbank
-# Bei Bedarf kann hier eine andere Datenbank-URL angegeben werden
-# Der Pfad wird relativ zum Projektverzeichnis angegeben
-# SQLALCHEMY_DATABASE_URI=sqlite:////absoluter/pfad/zu/database/systades.db 
+SECRET_KEY=eed9298856dc9363cd32778265780d6904ba24e6a6b815a2cc382bcdd767ea7b
+OPENAI_API_KEY=sk-dein-openai-api-schluessel-hier

Dockerfile

@@ -1,33 +0,0 @@
-# Dockerfile
-FROM python:3.11-slim
-
-# Arbeitsverzeichnis in Container
-WORKDIR /app
-
-# Systemabhängigkeiten installieren und Verzeichnisse anlegen
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends gcc && \
-    rm -rf /var/lib/apt/lists/* && \
-    mkdir -p /app/database
-
-# pip auf den neuesten Stand bringen und Requirements installieren
-COPY requirements.txt ./
-RUN pip install --upgrade pip && \
-    pip install --no-cache-dir -U -r requirements.txt
-
-# Anwendungscode kopieren
-COPY . .
-
-# Berechtigungen für database-Ordner
-RUN chmod -R 777 /app/database
-
-# Exponiere Port 5000 für Flask
-EXPOSE 5000
-
-# Setze Umgebungsvariablen
-ENV FLASK_APP=app.py
-ENV PYTHONUNBUFFERED=1
-ENV PYTHONDONTWRITEBYTECODE=1
-
-# Startkommando mit spezifischen Flags für Produktion
-CMD ["python", "app.py"] 

app.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 import os
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timedelta
 from flask import Flask, render_template, request, redirect, url_for, flash, jsonify, session, g
 from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
 from flask_sqlalchemy import SQLAlchemy
@@ -19,7 +19,6 @@ from openai import OpenAI
 from dotenv import load_dotenv
 from flask_socketio import SocketIO, emit
 from flask_migrate import Migrate
-import sqlalchemy
 
 # Modelle importieren
 from models import (
@@ -46,10 +45,10 @@ app.config['UPLOAD_FOLDER'] = os.getenv('UPLOAD_FOLDER', os.path.join(os.getcwd(
 app.config['WTF_CSRF_ENABLED'] = False
 
 # OpenAI API-Konfiguration
-api_key = "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"
-# api_key = os.environ.get("OPENAI_API_KEY")
-# if not api_key:
-#     print("WARNUNG: Kein OPENAI_API_KEY in Umgebungsvariablen gefunden. KI-Funktionalität wird nicht verfügbar sein.")
+api_key = os.environ.get("OPENAI_API_KEY")
+if not api_key:
+    print("WARNUNG: Kein OPENAI_API_KEY in Umgebungsvariablen gefunden. KI-Funktionalität wird nicht verfügbar sein.")
+    api_key = "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"
 
 client = OpenAI(api_key=api_key)
 
@@ -199,31 +198,97 @@ def initialize_database():
         # Erstelle alle Tabellen
         db.create_all()
         
-        # Prüfen, ob bereits Kategorien existieren
-        categories_count = Category.query.count()
-        users_count = User.query.count()
-        
-        # Erstelle Standarddaten, wenn es keine Kategorien gibt
-        if categories_count == 0:
-            create_default_categories()
-        
-        # Admin-Benutzer erstellen, wenn keine Benutzer vorhanden sind
-        if users_count == 0:
-            admin_user = User(
+        # Prüfe, ob bereits Benutzer existieren
+        if User.query.count() == 0:
+            print("Erstelle Admin-Benutzer...")
+            admin = User(
                 username="admin",
                 email="admin@example.com",
-                role="admin",
-                is_active=True
+                is_admin=True
             )
-            admin_user.set_password("admin123")  # Sicheres Passwort in der Produktion verwenden!
-            db.session.add(admin_user)
-            db.session.commit()
-            print("Admin-Benutzer wurde erstellt!")
+            admin.set_password("admin123")  # In echter Umgebung ein sicheres Passwort verwenden!
+            db.session.add(admin)
         
-        return True
+        # Prüfe, ob bereits Kategorien existieren
+        if Category.query.count() == 0:
+            print("Erstelle Standard-Kategorien...")
+            create_default_categories()
+        
+        # Stelle sicher, dass die Standard-Knoten für die öffentliche Mindmap existieren
+        if MindMapNode.query.count() == 0:
+            print("Erstelle Standard-Knoten für die Mindmap...")
+            
+            # Hauptknoten: Wissen
+            root_node = MindMapNode(
+                name="Wissen",
+                description="Zentrale Wissensbasis",
+                color_code="#4299E1",
+                is_public=True
+            )
+            db.session.add(root_node)
+            db.session.flush()  # Um die ID zu generieren
+            
+            # Verwandte Kategorien finden
+            philosophy = Category.query.filter_by(name="Philosophie").first()
+            science = Category.query.filter_by(name="Wissenschaft").first()
+            technology = Category.query.filter_by(name="Technologie").first()
+            arts = Category.query.filter_by(name="Künste").first()
+            
+            # Erstelle Hauptthemenknoten
+            nodes = [
+                MindMapNode(
+                    name="Philosophie", 
+                    description="Philosophisches Denken",
+                    color_code="#9F7AEA",
+                    category=philosophy,
+                    is_public=True
+                ),
+                MindMapNode(
+                    name="Wissenschaft", 
+                    description="Wissenschaftliche Erkenntnisse",
+                    color_code="#48BB78",
+                    category=science,
+                    is_public=True
+                ),
+                MindMapNode(
+                    name="Technologie", 
+                    description="Technologische Entwicklungen",
+                    color_code="#ED8936",
+                    category=technology,
+                    is_public=True
+                ),
+                MindMapNode(
+                    name="Künste", 
+                    description="Künstlerische Ausdrucksformen",
+                    color_code="#ED64A6",
+                    category=arts,
+                    is_public=True
+                )
+            ]
+            
+            # Füge Knoten zur Datenbank hinzu
+            for node in nodes:
+                db.session.add(node)
+            
+            db.session.commit()
+            
+            # Nachdem wir die IDs haben, füge die Verbindungen hinzu
+            all_nodes = MindMapNode.query.all()
+            root = MindMapNode.query.filter_by(name="Wissen").first()
+            
+            if root:
+                for node in all_nodes:
+                    if node.id != root.id:
+                        root.children.append(node)
+            
+            # Speichere die Änderungen
+            db.session.commit()
+            
+        print("Datenbankinitialisierung abgeschlossen.")
     except Exception as e:
-        print(f"Fehler bei Datenbank-Initialisierung: {e}")
-        return False
+        print(f"Fehler bei der Datenbankinitialisierung: {str(e)}")
+        db.session.rollback()
+        raise
 
 # Instead of before_first_request, which is deprecated in newer Flask versions
 # Use a function to initialize the database that will be called during app creation
@@ -250,8 +315,7 @@ def admin_required(f):
 
 @login_manager.user_loader
 def load_user(id):
-    # Verwende session.get() anstelle von query.get() für SQLAlchemy 2.0 Kompatibilität
-    return db.session.get(User, int(id))
+    return User.query.get(int(id))
 
 # Routes for authentication
 @app.route('/login', methods=['GET', 'POST'])
@@ -261,16 +325,14 @@ def login():
         password = request.form.get('password')
         
         user = User.query.filter_by(username=username).first()
-        
         if user and user.check_password(password):
             login_user(user)
             # Aktualisiere letzten Login-Zeitpunkt
-            user.last_login = datetime.now(timezone.utc)
+            user.last_login = datetime.utcnow()
             db.session.commit()
             
             next_page = request.args.get('next')
             return redirect(next_page or url_for('index'))
-        
         flash('Ungültiger Benutzername oder Passwort')
     return render_template('login.html')
 
@@ -292,21 +354,15 @@ def register():
         user = User(username=username, email=email)
         user.set_password(password)
         db.session.add(user)
-        db.session.commit()  # Commit, um eine ID für den Benutzer zu erhalten
         
         # Erstelle eine Standard-Mindmap für den neuen Benutzer
-        try:
-            default_mindmap = UserMindmap(
-                name='Meine Mindmap',
-                description='Meine persönliche Wissenslandschaft',
-                user_id=user.id
-            )
-            db.session.add(default_mindmap)
-            db.session.commit()
-        except Exception as e:
-            print(f"Fehler beim Erstellen der Standard-Mindmap: {e}")
-            # Stelle sicher, dass wir trotzdem weitermachen können
-            db.session.rollback()
+        default_mindmap = UserMindmap(
+            name='Meine Mindmap',
+            description='Meine persönliche Wissenslandschaft',
+            user=user
+        )
+        db.session.add(default_mindmap)
+        db.session.commit()
         
         login_user(user)
         flash('Dein Konto wurde erfolgreich erstellt!', 'success')
@@ -327,152 +383,71 @@ def index():
 # Route for the mindmap page
 @app.route('/mindmap')
 def mindmap():
-    """Zeigt die Mindmap-Seite an."""
-    
-    # Benutzer-Mindmaps, falls angemeldet
-    user_mindmaps = []
-    if current_user.is_authenticated:
-        user_mindmaps = UserMindmap.query.filter_by(user_id=current_user.id).all()
-    
-    # Stelle sicher, dass der "Wissen"-Knoten existiert
-    wissen_node = MindMapNode.query.filter_by(name="Wissen").first()
-    if not wissen_node:
-        wissen_node = MindMapNode(
-            name="Wissen",
-            description="Zentrale Wissensbasis",
-            color_code="#4299E1",
-            is_public=True
-        )
-        db.session.add(wissen_node)
-        db.session.commit()
-        print("'Wissen'-Knoten wurde erstellt")
-    
-    # Überprüfe, ob es Kategorien gibt, sonst erstelle sie
-    if Category.query.count() == 0:
-        create_default_categories()
-        print("Kategorien wurden erstellt")
-    
-    # Stelle sicher, dass die Route für statische Dateien korrekt ist
-    mindmap_js_path = url_for('static', filename='js/mindmap-init.js')
-    
-    return render_template('mindmap.html', user_mindmaps=user_mindmaps, mindmap_js_path=mindmap_js_path)
+    """Zeigt die öffentliche Mindmap an."""
+    try:
+        # Sicherstellen, dass wir Kategorien haben
+        if Category.query.count() == 0:
+            create_default_categories()
+        
+        # Hole alle Kategorien der obersten Ebene
+        categories = Category.query.filter_by(parent_id=None).all()
+        
+        # Transformiere Kategorien in ein anzeigbares Format für die Vorlage
+        category_tree = [build_category_tree(cat) for cat in categories]
+        
+        return render_template('mindmap.html', categories=category_tree)
+    except Exception as e:
+        # Bei Fehler leere Kategorienliste übergeben und Fehler protokollieren
+        print(f"Fehler beim Laden der Mindmap-Kategorien: {str(e)}")
+        return render_template('mindmap.html', categories=[], error=str(e))
 
 # Route for user profile
 @app.route('/profile')
 @login_required
 def profile():
-    try:
-        # Versuche auf die neue Benutzermodellstruktur zuzugreifen
-        _ = current_user.bio  # Dies wird fehlschlagen, wenn die Spalte nicht existiert
-        
-        # Wenn keine Ausnahme, fahre mit normalem Profil fort
-        # Lade Benutzer-Mindmaps
-        user_mindmaps = UserMindmap.query.filter_by(user_id=current_user.id).all()
-        
-        # Prüfe, ob der Benutzer eine Standard-Mindmap hat, sonst erstelle eine
-        if not user_mindmaps:
-            try:
-                default_mindmap = UserMindmap(
-                    name='Meine Mindmap',
-                    description='Meine persönliche Wissenslandschaft',
-                    user_id=current_user.id
-                )
-                db.session.add(default_mindmap)
-                db.session.commit()
-                
-                # Aktualisiere die Liste nach dem Erstellen
-                user_mindmaps = [default_mindmap]
-            except Exception as e:
-                print(f"Fehler beim Erstellen der Standard-Mindmap in Profil: {e}")
-                # Flash-Nachricht für den Benutzer
-                flash('Es gab ein Problem beim Laden deiner Mindmaps. Bitte versuche es später erneut.', 'warning')
-        
-        # Lade Statistiken
-        thought_count = Thought.query.filter_by(user_id=current_user.id).count()
-        bookmark_count = db.session.query(user_thought_bookmark).filter(
-            user_thought_bookmark.c.user_id == current_user.id).count()
-        
-        # Berechne tatsächliche Werte für Benutzerstatistiken
-        contributions_count = Comment.query.filter_by(user_id=current_user.id).count()
-        
-        # Berechne Verbindungen (Anzahl der Gedankenverknüpfungen)
-        connections_count = ThoughtRelation.query.filter(
-            (ThoughtRelation.source_id.in_(
-                db.session.query(Thought.id).filter_by(user_id=current_user.id)
-            )) | 
-            (ThoughtRelation.target_id.in_(
-                db.session.query(Thought.id).filter_by(user_id=current_user.id)
-            ))
-        ).count()
-        
-        # Berechne durchschnittliche Bewertung der Gedanken des Benutzers
-        avg_rating = db.session.query(func.avg(ThoughtRating.relevance_score)).join(
-            Thought, Thought.id == ThoughtRating.thought_id
-        ).filter(Thought.user_id == current_user.id).scalar() or 0
-        
-        # Sammle alle Statistiken in einem Wörterbuch
-        stats = {
-            'thought_count': thought_count,
-            'bookmark_count': bookmark_count,
-            'connections_count': connections_count,
-            'contributions_count': contributions_count,
-            'followers_count': 0,  # Platzhalter für zukünftige Funktionalität
-            'rating': round(avg_rating, 1)
-        }
-        
-        # Hole die letzten Gedanken des Benutzers
-        thoughts = Thought.query.filter_by(user_id=current_user.id).order_by(Thought.created_at.desc()).limit(5).all()
-        
-        # Hole den Standort des Benutzers aus der Datenbank, falls vorhanden
-        location = "Deutschland"  # Standardwert
-        
-        return render_template('profile.html', 
-                              user=current_user,
-                              user_mindmaps=user_mindmaps, 
-                              stats=stats,
-                              thoughts=thoughts,
-                              location=location)
-                              
-    except (AttributeError, sqlalchemy.exc.OperationalError) as e:
-        # Die Spalte existiert nicht, verwende stattdessen das einfache Profil
-        print(f"Verwende einfaches Profil wegen Datenbankfehler: {e}")
-        flash('Dein Profil wird im einfachen Modus angezeigt, bis die Datenbank aktualisiert wird.', 'warning')
-        
-        # Lade nur die grundlegenden Informationen
-        user_mindmaps = UserMindmap.query.filter_by(user_id=current_user.id).all()
-        thoughts = Thought.query.filter_by(user_id=current_user.id).order_by(Thought.created_at.desc()).limit(5).all()
-        
-        return render_template('simple_profile.html', 
-                              user=current_user,
-                              user_mindmaps=user_mindmaps,
-                              thoughts=thoughts)
-    except Exception as e:
-        # Eine andere Ausnahme ist aufgetreten
-        print(f"Fehler beim Laden des Profils: {e}")
-        flash('Beim Laden Ihres Benutzerprofils ist ein Fehler aufgetreten. Wir zeigen Ihnen die Standard-Ansicht.', 'error')
-        
-        # Erstelle grundlegende stats
-        stats = {
-            'thought_count': 0,
-            'bookmark_count': 0,
-            'connections_count': 0,
-            'contributions_count': 0,
-            'followers_count': 0,
-            'rating': 0.0
-        }
-        
-        # Leere Listen für Mindmaps und Gedanken
-        user_mindmaps = []
-        thoughts = []
-        location = "Deutschland"
-        
-        # Zeige das normale Profil mit minimalen Daten an
-        return render_template('profile.html', 
-                               user=current_user,
-                               user_mindmaps=user_mindmaps, 
-                               stats=stats,
-                               thoughts=thoughts,
-                               location=location)
+    # Lade Benutzer-Mindmaps
+    user_mindmaps = UserMindmap.query.filter_by(user_id=current_user.id).all()
+    
+    # Lade Statistiken
+    thought_count = Thought.query.filter_by(user_id=current_user.id).count()
+    bookmark_count = db.session.query(user_thought_bookmark).filter(
+        user_thought_bookmark.c.user_id == current_user.id).count()
+    
+    # Berechne tatsächliche Werte für Benutzerstatistiken
+    contributions_count = Comment.query.filter_by(user_id=current_user.id).count()
+    
+    # Berechne Verbindungen (Anzahl der Gedankenverknüpfungen)
+    connections_count = ThoughtRelation.query.filter(
+        (ThoughtRelation.source_id.in_(
+            db.session.query(Thought.id).filter_by(user_id=current_user.id)
+        )) | 
+        (ThoughtRelation.target_id.in_(
+            db.session.query(Thought.id).filter_by(user_id=current_user.id)
+        ))
+    ).count()
+    
+    # Berechne durchschnittliche Bewertung der Gedanken des Benutzers
+    avg_rating = db.session.query(func.avg(ThoughtRating.relevance_score)).join(
+        Thought, Thought.id == ThoughtRating.thought_id
+    ).filter(Thought.user_id == current_user.id).scalar() or 0
+    
+    # Hole die Anzahl der Follower (falls implementiert)
+    # In diesem Beispiel nehmen wir an, dass es keine Follower-Funktionalität gibt
+    followers_count = 0
+    
+    # Hole den Standort des Benutzers aus der Datenbank, falls vorhanden
+    location = "Deutschland"  # Standardwert
+    
+    return render_template('profile.html', 
+                          user=current_user,
+                          user_mindmaps=user_mindmaps, 
+                          thought_count=thought_count,
+                          bookmark_count=bookmark_count,
+                          connections_count=connections_count,
+                          contributions_count=contributions_count,
+                          followers_count=followers_count,
+                          rating=round(avg_rating, 1),
+                          location=location)
 
 # Route für Benutzereinstellungen
 @app.route('/settings', methods=['GET', 'POST'])
@@ -481,94 +456,32 @@ def settings():
     if request.method == 'POST':
         action = request.form.get('action')
         
-        # Bestimme, ob es eine AJAX-Anfrage ist
-        is_ajax = request.headers.get('X-Requested-With') == 'XMLHttpRequest' or request.content_type and 'multipart/form-data' in request.content_type
-        
         if action == 'update_profile':
-            try:
-                current_user.bio = request.form.get('bio', '')
-                current_user.location = request.form.get('location', '')
-                current_user.website = request.form.get('website', '')
+            current_user.bio = request.form.get('bio')
+            
+            # Update avatar if provided
+            avatar_url = request.form.get('avatar_url')
+            if avatar_url:
+                current_user.avatar = avatar_url
                 
-                # Update avatar if provided
-                avatar_url = request.form.get('avatar_url')
-                if avatar_url:
-                    current_user.avatar = avatar_url
-                    
-                db.session.commit()
-                
-                if is_ajax:
-                    return jsonify({
-                        'success': True,
-                        'message': 'Profil erfolgreich aktualisiert!'
-                    })
-                else:
-                    flash('Profil erfolgreich aktualisiert!', 'success')
-            except Exception as e:
-                db.session.rollback()
-                app.logger.error(f"Fehler beim Aktualisieren des Profils: {str(e)}")
-                
-                if is_ajax:
-                    return jsonify({
-                        'success': False,
-                        'message': 'Fehler beim Aktualisieren des Profils'
-                    }), 500
-                else:
-                    flash('Fehler beim Aktualisieren des Profils', 'error')
+            db.session.commit()
+            flash('Profil erfolgreich aktualisiert!', 'success')
             
         elif action == 'update_password':
-            try:
-                current_password = request.form.get('current_password')
-                new_password = request.form.get('new_password')
-                confirm_password = request.form.get('confirm_password')
-                
-                if not current_user.check_password(current_password):
-                    if is_ajax:
-                        return jsonify({
-                            'success': False,
-                            'message': 'Aktuelles Passwort ist nicht korrekt'
-                        }), 400
-                    else:
-                        flash('Aktuelles Passwort ist nicht korrekt', 'error')
-                elif new_password != confirm_password:
-                    if is_ajax:
-                        return jsonify({
-                            'success': False,
-                            'message': 'Neue Passwörter stimmen nicht überein'
-                        }), 400
-                    else:
-                        flash('Neue Passwörter stimmen nicht überein', 'error')
-                else:
-                    current_user.set_password(new_password)
-                    db.session.commit()
-                    
-                    if is_ajax:
-                        return jsonify({
-                            'success': True,
-                            'message': 'Passwort erfolgreich aktualisiert!'
-                        })
-                    else:
-                        flash('Passwort erfolgreich aktualisiert!', 'success')
-            except Exception as e:
-                db.session.rollback()
-                app.logger.error(f"Fehler beim Aktualisieren des Passworts: {str(e)}")
-                
-                if is_ajax:
-                    return jsonify({
-                        'success': False,
-                        'message': 'Fehler beim Aktualisieren des Passworts'
-                    }), 500
-                else:
-                    flash('Fehler beim Aktualisieren des Passworts', 'error')
+            current_password = request.form.get('current_password')
+            new_password = request.form.get('new_password')
+            confirm_password = request.form.get('confirm_password')
+            
+            if not current_user.check_password(current_password):
+                flash('Aktuelles Passwort ist nicht korrekt', 'error')
+            elif new_password != confirm_password:
+                flash('Neue Passwörter stimmen nicht überein', 'error')
+            else:
+                current_user.set_password(new_password)
+                db.session.commit()
+                flash('Passwort erfolgreich aktualisiert!', 'success')
         
-        if not is_ajax:
-            return redirect(url_for('settings'))
-        else:
-            # Standardantwort für AJAX, falls keine spezifische Antwort zurückgegeben wurde
-            return jsonify({
-                'success': True,
-                'message': 'Einstellungen aktualisiert'
-            })
+        return redirect(url_for('settings'))
         
     return render_template('settings.html')
 
@@ -685,156 +598,16 @@ def delete_mindmap(mindmap_id):
 # API-Endpunkte für Mindmap-Daten
 @app.route('/api/mindmap/public')
 def get_public_mindmap():
-    """Liefert die Standard-Mindmap-Struktur basierend auf Kategorien."""
-    try:
-        # Hole alle Hauptkategorien
-        categories = Category.query.filter_by(parent_id=None).all()
-        
-        # Transformiere zu einer Baumstruktur
-        category_tree = [build_category_tree(cat) for cat in categories]
-        
-        return jsonify(category_tree)
-    except Exception as e:
-        print(f"Fehler beim Abrufen der Mindmap: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': 'Mindmap konnte nicht geladen werden'
-        }), 500
-
-@app.route('/api/mindmap/public/add_node', methods=['POST'])
-@login_required
-def add_node_to_public_mindmap():
-    """Fügt einen neuen Knoten zur öffentlichen Mindmap hinzu."""
-    try:
-        data = request.json
-        
-        name = data.get('name')
-        description = data.get('description', '')
-        color_code = data.get('color_code', '#8b5cf6')
-        x_position = data.get('x_position', 0)
-        y_position = data.get('y_position', 0)
-        
-        if not name:
-            return jsonify({
-                'success': False,
-                'error': 'Knotenname ist erforderlich'
-            }), 400
-        
-        # Neuen Knoten erstellen
-        new_node = MindMapNode(
-            name=name,
-            description=description,
-            color_code=color_code
-        )
-        
-        db.session.add(new_node)
-        db.session.flush()  # ID generieren
-        
-        # Als Beitrag des aktuellen Benutzers markieren
-        new_node.contributed_by = current_user.id
-        
-        db.session.commit()
-        
-        return jsonify({
-            'success': True,
-            'node_id': new_node.id,
-            'message': 'Knoten erfolgreich hinzugefügt'
-        })
-    except Exception as e:
-        db.session.rollback()
-        print(f"Fehler beim Hinzufügen des Knotens: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': f'Fehler beim Hinzufügen des Knotens: {str(e)}'
-        }), 500
-
-@app.route('/api/mindmap/public/update_node/<int:node_id>', methods=['PUT'])
-@login_required
-def update_public_node(node_id):
-    """Aktualisiert einen Knoten in der öffentlichen Mindmap."""
-    try:
-        node = MindMapNode.query.get_or_404(node_id)
-        data = request.json
-        
-        # Aktualisiere Knotendaten
-        if 'name' in data:
-            node.name = data['name']
-        if 'description' in data:
-            node.description = data['description']
-        if 'color_code' in data:
-            node.color_code = data['color_code']
-        
-        # Als bearbeitet markieren
-        node.last_modified = datetime.now(timezone.utc)
-        node.last_modified_by = current_user.id
-        
-        db.session.commit()
-        
-        return jsonify({
-            'success': True,
-            'message': 'Knoten erfolgreich aktualisiert'
-        })
-    except Exception as e:
-        db.session.rollback()
-        print(f"Fehler beim Aktualisieren des Knotens: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': f'Fehler beim Aktualisieren des Knotens: {str(e)}'
-        }), 500
-
-@app.route('/api/mindmap/public/remove_node/<int:node_id>', methods=['DELETE'])
-@login_required
-def remove_node_from_public_mindmap(node_id):
-    """Entfernt einen Knoten aus der öffentlichen Mindmap."""
-    try:
-        node = MindMapNode.query.get_or_404(node_id)
-        
-        # Lösche den Knoten
-        db.session.delete(node)
-        db.session.commit()
-        
-        return jsonify({
-            'success': True,
-            'message': 'Knoten erfolgreich entfernt'
-        })
-    except Exception as e:
-        db.session.rollback()
-        print(f"Fehler beim Entfernen des Knotens: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': f'Fehler beim Entfernen des Knotens: {str(e)}'
-        }), 500
-
-@app.route('/api/mindmap/public/update_layout', methods=['POST'])
-@login_required
-def update_public_layout():
-    """Aktualisiert die Positionen der Knoten in der öffentlichen Mindmap."""
-    try:
-        data = request.json
-        positions = data.get('positions', [])
-        
-        for pos in positions:
-            node_id = pos.get('node_id')
-            node = MindMapNode.query.get(node_id)
-            
-            if node:
-                # Position aktualisieren
-                node.x_position = pos.get('x_position', 0)
-                node.y_position = pos.get('y_position', 0)
-        
-        db.session.commit()
-        
-        return jsonify({
-            'success': True,
-            'message': 'Layout erfolgreich aktualisiert'
-        })
-    except Exception as e:
-        db.session.rollback()
-        print(f"Fehler beim Aktualisieren des Layouts: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': f'Fehler beim Aktualisieren des Layouts: {str(e)}'
-        }), 500
+    """Liefert die öffentliche Mindmap-Struktur."""
+    # Hole alle Kategorien der obersten Ebene
+    root_categories = Category.query.filter_by(parent_id=None).all()
+    
+    # Baue Baumstruktur auf
+    result = []
+    for category in root_categories:
+        result.append(build_category_tree(category))
+    
+    return jsonify(result)
 
 def build_category_tree(category):
     """
@@ -1114,7 +887,7 @@ def update_note(note_id):
     if color_code:
         note.color_code = color_code
     
-    note.last_modified = datetime.now(timezone.utc)
+    note.last_modified = datetime.utcnow()
     db.session.commit()
     
     return jsonify({
@@ -1142,64 +915,32 @@ def delete_note(note_id):
 # API routes for mindmap and thoughts
 @app.route('/api/mindmap')
 def get_mindmap():
-    """Gibt die Mindmap-Struktur zurück"""
-    try:
-        # Hauptknoten abrufen (Root-Knoten)
-        wissen_node = MindMapNode.query.filter_by(name="Wissen").first()
-        if not wissen_node:
-            # Wissen-Knoten erstellen, falls nicht vorhanden
-            wissen_node = MindMapNode(
-                name="Wissen",
-                description="Zentrale Wissensbasis",
-                color_code="#4299E1",
-                is_public=True
-            )
-            db.session.add(wissen_node)
-            db.session.commit()
-        
-        # Alle anderen aktiven Knoten holen
-        nodes = MindMapNode.query.filter(MindMapNode.is_public == True).all()
-        
-        # Ergebnisdaten vorbereiten
-        nodes_data = []
-        edges_data = []
-        
-        # Knoten hinzufügen
-        for node in nodes:
-            nodes_data.append({
-                'id': node.id,
-                'name': node.name,
-                'description': node.description or '',
-                'color_code': node.color_code or '#9F7AEA'
-            })
-            
-            # Wenn es nicht der Wissen-Knoten ist, Verbindung zum Wissen-Knoten hinzufügen
-            if node.id != wissen_node.id:
-                edges_data.append({
-                    'source': wissen_node.id,
-                    'target': node.id
-                })
-        
-        # Beziehungen zwischen Knoten abfragen und hinzufügen
-        relationships = db.session.query(node_relationship).all()
-        for rel in relationships:
-            if rel.parent_id != wissen_node.id:  # Doppelte Kanten vermeiden
-                edges_data.append({
-                    'source': rel.parent_id,
-                    'target': rel.child_id
-                })
-        
-        return jsonify({
-            'nodes': nodes_data,
-            'edges': edges_data
-        })
-        
-    except Exception as e:
-        print(f"Fehler beim Abrufen der Mindmap: {str(e)}")
-        return jsonify({
-            'success': False,
-            'error': 'Mindmap konnte nicht geladen werden'
-        }), 500
+    """API-Endpunkt zur Bereitstellung der Mindmap-Daten in hierarchischer Form."""
+    # Root-Knoten: Knoten ohne Eltern
+    root_nodes = MindMapNode.query.\
+        outerjoin(node_relationship, MindMapNode.id == node_relationship.c.child_id).\
+        filter(node_relationship.c.parent_id == None).all()
+
+    result = []
+    for node in root_nodes:
+        node_data = build_node_tree(node)
+        result.append(node_data)
+    return jsonify({"nodes": result})
+
+def build_node_tree(node):
+    """Erzeugt eine hierarchische Darstellung eines Knotens inkl. seiner Kindknoten."""
+    thought_count = len(node.thoughts)
+    node_data = {
+        "id": node.id,
+        "name": node.name,
+        "description": node.description or "",
+        "thought_count": thought_count,
+        "children": []
+    }
+    for child in node.children:
+        child_data = build_node_tree(child)
+        node_data["children"].append(child_data)
+    return node_data
 
 @app.route('/api/nodes/<int:node_id>/thoughts')
 def get_node_thoughts(node_id):
@@ -1365,7 +1106,7 @@ def update_thought(thought_id):
     if 'color_code' in data:
         thought.color_code = data['color_code']
     
-    thought.last_modified = datetime.now(timezone.utc)
+    thought.last_modified = datetime.utcnow()
     db.session.commit()
     
     return jsonify({
@@ -1570,11 +1311,8 @@ def chat_with_assistant():
         })
     
     try:
-        # OpenAI-Client mit dem API-Key initialisieren
-        client = OpenAI(api_key=api_key)
-            
         # Überprüfen ob OpenAI API-Key konfiguriert ist
-        if not api_key or api_key.startswith("sk-dummy"):
+        if not client.api_key or client.api_key.startswith("sk-dummy"):
             print("Warnung: OpenAI API-Key ist nicht oder nur als Dummy konfiguriert!")
             return jsonify({
                 'error': 'Der OpenAI API-Key ist nicht korrekt konfiguriert. Bitte konfigurieren Sie die Umgebungsvariable OPENAI_API_KEY.'
@@ -1584,13 +1322,12 @@ def chat_with_assistant():
         import time
         start_time = time.time()
         
-        # Erhöhtes Timeout für die API-Anfrage
         response = client.chat.completions.create(
             model="gpt-4o-mini",
             messages=api_messages,
-            max_tokens=1000,
+            max_tokens=1000,  # Erhöht für ausführlichere Antworten und detaillierte Führungen
             temperature=0.7,
-            timeout=60  # Erhöht auf 60 Sekunden für bessere Zuverlässigkeit
+            timeout=20  # 20 Sekunden Timeout
         )
         
         print(f"OpenAI API-Antwortzeit: {time.time() - start_time:.2f} Sekunden")
@@ -1604,30 +1341,12 @@ def chat_with_assistant():
     
     except Exception as e:
         import traceback
-        error_message = str(e)
-        stack_trace = traceback.format_exc()
+        print(f"Fehler bei der OpenAI-Anfrage: {str(e)}")
+        print(traceback.format_exc())
         
-        print(f"Fehler bei der OpenAI-Anfrage: {error_message}")
-        print(f"Stack Trace: {stack_trace}")
-        
-        # Überprüfen auf spezifische Fehlertypen
-        if "timeout" in error_message.lower():
-            return jsonify({
-                'error': 'Die Anfrage hat zu lange gedauert. Bitte versuchen Sie es später erneut.'
-            }), 504
-        elif "rate limit" in error_message.lower():
-            return jsonify({
-                'error': 'API-Ratelimit erreicht. Bitte warten Sie einen Moment und versuchen Sie es erneut.'
-            }), 429
-        elif "internal server error" in error_message.lower() or "500" in error_message:
-            return jsonify({
-                'error': 'Es ist ein Serverfehler aufgetreten. Unser Team wurde benachrichtigt.'
-            }), 500
-        else:
-            # Allgemeine Fehlermeldung
-            return jsonify({
-                'error': 'Bei der Verarbeitung Ihrer Anfrage ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut.'
-            }), 500
+        return jsonify({
+            'error': f'Fehler bei der OpenAI-Anfrage: {str(e)}'
+        }), 500
 
 def check_database_query(user_message):
     """
@@ -1760,42 +1479,14 @@ def refresh_mindmap():
         if Category.query.count() == 0:
             create_default_categories()
         
-        # Überprüfe, ob wir bereits einen "Wissen"-Knoten haben
-        wissen_node = MindMapNode.query.filter_by(name="Wissen").first()
-        
-        # Wenn kein "Wissen"-Knoten existiert, erstelle ihn
-        if not wissen_node:
-            wissen_node = MindMapNode(
-                name="Wissen",
-                description="Zentrale Wissensbasis",
-                color_code="#4299E1",
-                is_public=True
-            )
-            db.session.add(wissen_node)
-            db.session.commit()
-        
         # Hole alle Kategorien und Knoten
         categories = Category.query.filter_by(parent_id=None).all()
         category_tree = [build_category_tree(cat) for cat in categories]
         
-        # Hole alle Mindmap-Knoten außer dem "Wissen"-Knoten
-        nodes = MindMapNode.query.filter(MindMapNode.id != wissen_node.id).all()
-        
-        # Vorbereiten der Node- und Edge-Arrays für die Antwort
+        # Hole alle Mindmap-Knoten
+        nodes = MindMapNode.query.all()
         node_data = []
-        edge_data = []
         
-        # Zuerst den "Wissen"-Knoten hinzufügen
-        node_data.append({
-            'id': wissen_node.id,
-            'name': wissen_node.name,
-            'description': wissen_node.description or '',
-            'color_code': wissen_node.color_code or '#4299E1',
-            'thought_count': len(wissen_node.thoughts),
-            'category_id': wissen_node.category_id
-        })
-        
-        # Dann die anderen Knoten
         for node in nodes:
             node_obj = {
                 'id': node.id,
@@ -1806,28 +1497,15 @@ def refresh_mindmap():
                 'category_id': node.category_id
             }
             
-            # Verbinde alle Top-Level-Knoten mit dem Wissen-Knoten
-            if not node.parents.all():
-                edge_data.append({
-                    'source': wissen_node.id,
-                    'target': node.id
-                })
-            
-            # Verbindungen zwischen vorhandenen Knoten hinzufügen
-            node_children = node.children.all()
-            for child in node_children:
-                edge_data.append({
-                    'source': node.id,
-                    'target': child.id
-                })
+            # Verbindungen hinzufügen
+            node_obj['connections'] = [{'target': child.id} for child in node.children]
             
             node_data.append(node_obj)
         
         return jsonify({
             'success': True,
             'categories': category_tree,
-            'nodes': node_data,
-            'edges': edge_data
+            'nodes': node_data
         })
         
     except Exception as e:
@@ -1837,46 +1515,21 @@ def refresh_mindmap():
             'error': 'Datenbankverbindung konnte nicht hergestellt werden'
         }), 500
 
+
 # Route zur Mindmap HTML-Seite
 @app.route('/mindmap')
 def mindmap_page():
     return render_template('mindmap.html')
 
-# Weiterleitung für Community/Forum-Routen
-@app.route('/community')
-@app.route('/Community')
-@app.route('/forum')
-@app.route('/Forum')
-@app.route('/community_forum')
-def redirect_community():
-    """Leitet alle Community/Forum-URLs zur Startseite um"""
-    return redirect(url_for('index'))
+# Fehlerbehandlung
+@app.errorhandler(404)
+def not_found(e):
+    return jsonify({'error': 'Nicht gefunden'}), 404
 
-@app.route('/static/js/mindmap-init.js')
-def serve_mindmap_init_js():
-    """Bedient die Mindmap-Initialisierungsdatei."""
-    return app.send_static_file('js/mindmap-init.js'), 200, {'Content-Type': 'application/javascript'}
+@app.errorhandler(400)
+def bad_request(e):
+    return jsonify({'error': 'Fehlerhafte Anfrage'}), 400
 
-# Datenbank-Update-Route (admin-geschützt)
-@app.route('/admin/update-database', methods=['GET', 'POST'])
-@admin_required
-def admin_update_database():
-    """Admin-Route zum Aktualisieren der Datenbank"""
-    message = None
-    success = None
-    
-    if request.method == 'POST':
-        try:
-            import update_db
-            update_success = update_db.update_user_table()
-            if update_success:
-                message = "Die Datenbank wurde erfolgreich aktualisiert."
-                success = True
-            else:
-                message = "Es gab ein Problem bei der Aktualisierung der Datenbank."
-                success = False
-        except Exception as e:
-            message = f"Fehler: {str(e)}"
-            success = False
-    
-    return render_template('admin/update_database.html', message=message, success=success)
+@app.errorhandler(500)
+def server_error(e):
+    return jsonify({'error': 'Serverfehler'}), 500

db_operations.py

@@ -1,103 +0,0 @@
-import sqlite3
-import os
-import random
-
-# Verbindung zur Datenbank herstellen
-db_path = os.path.join(os.getcwd(), 'database', 'systades.db')
-conn = sqlite3.connect(db_path)
-cursor = conn.cursor()
-
-# Schema der mind_map_node Tabelle anzeigen
-cursor.execute("PRAGMA table_info(mind_map_node)")
-columns = cursor.fetchall()
-print("Tabellenschema mind_map_node:")
-for column in columns:
-    print(f"{column[1]} ({column[2]})")
-
-# Existierende Knoten anzeigen
-cursor.execute("SELECT id, name, description, color_code FROM mind_map_node LIMIT 5")
-existing_nodes = cursor.fetchall()
-print("\nBestehende Knoten:")
-for node in existing_nodes:
-    print(f"ID: {node[0]}, Name: {node[1]}, Beschreibung: {node[2]}")
-
-# Mögliche Kategorien abrufen (für die Verknüpfung)
-cursor.execute("SELECT id, name FROM category")
-categories = cursor.fetchall()
-print("\nVerfügbare Kategorien:")
-for category in categories:
-    print(f"ID: {category[0]}, Name: {category[1]}")
-
-# Wissenschaftliche Themengebiete für neue Knoten
-scientific_nodes = [
-    {
-        "name": "Quantenphysik",
-        "description": "Die Quantenphysik befasst sich mit dem Verhalten von Materie und Energie auf atomarer und subatomarer Ebene.",
-        "color_code": "#4B0082",  # Indigo
-        "icon": "fa-atom"
-    },
-    {
-        "name": "Neurowissenschaften",
-        "description": "Interdisziplinäre Wissenschaft, die sich mit der Struktur und Funktion des Nervensystems und des Gehirns beschäftigt.",
-        "color_code": "#FF4500",  # Orange-Rot
-        "icon": "fa-brain"
-    },
-    {
-        "name": "Künstliche Intelligenz",
-        "description": "Forschungsgebiet der Informatik, das sich mit der Automatisierung intelligenten Verhaltens befasst.",
-        "color_code": "#008080",  # Teal
-        "icon": "fa-robot"
-    },
-    {
-        "name": "Klimaforschung",
-        "description": "Wissenschaftliche Untersuchung des Klimas, seiner Variationen und Veränderungen auf allen zeitlichen und räumlichen Skalen.",
-        "color_code": "#2E8B57",  # Seegrün
-        "icon": "fa-cloud-sun"
-    },
-    {
-        "name": "Genetik",
-        "description": "Teilgebiet der Biologie, das sich mit Vererbung sowie der Funktion und Wirkung von Genen beschäftigt.",
-        "color_code": "#800080",  # Lila
-        "icon": "fa-dna"
-    },
-    {
-        "name": "Astrophysik",
-        "description": "Zweig der Astronomie, der sich mit den physikalischen Eigenschaften des Universums befasst.",
-        "color_code": "#191970",  # Mitternachtsblau
-        "icon": "fa-star"
-    }
-]
-
-# Neue Knoten hinzufügen
-print("\nFüge neue wissenschaftliche Knoten hinzu...")
-for node in scientific_nodes:
-    # Prüfen, ob der Knoten bereits existiert
-    cursor.execute("SELECT id FROM mind_map_node WHERE name = ?", (node["name"],))
-    existing = cursor.fetchone()
-    if existing:
-        print(f"Knoten '{node['name']}' existiert bereits mit ID {existing[0]}")
-        continue
-    
-    # Zufällige Kategorie wählen, wenn vorhanden
-    category_id = None
-    if categories:
-        category_id = random.choice(categories)[0]
-    
-    # Neuen Knoten einfügen
-    cursor.execute("""
-        INSERT INTO mind_map_node (name, description, color_code, icon, is_public, category_id) 
-        VALUES (?, ?, ?, ?, ?, ?)
-    """, (
-        node["name"], 
-        node["description"], 
-        node["color_code"], 
-        node["icon"],
-        True, 
-        category_id
-    ))
-    print(f"Knoten '{node['name']}' hinzugefügt")
-
-# Änderungen übernehmen und Verbindung schließen
-conn.commit()
-print("\nDatenbank erfolgreich aktualisiert!")
-conn.close() 

docker-compose.yml

@@ -1,17 +0,0 @@
-version: '3.9'
-
-services:
-  web:
-    build: .
-    image: systades_app:latest
-    container_name: systades_app
-    restart: always
-    env_file:
-      - .env
-    ports:
-      - "5000:5000"
-    volumes:
-      - ./database:/app/database
-
-volumes:
-  db_data: 

edit_file

@@ -1 +0,0 @@
- 

example.env

@@ -2,12 +2,10 @@
 # Kopiere diese Datei zu .env und passe die Werte an
 
 # Flask
-FLASK_APP=app.py
-FLASK_ENV=development
-SECRET_KEY=your-secret-key-replace-in-production
+SECRET_KEY=dein-geheimer-schluessel-hier
 
 # OpenAI API
-
+OPENAI_API_KEY=sk-dein-openai-api-schluessel-hier
 
 # Datenbank
 # Bei Bedarf kann hier eine andere Datenbank-URL angegeben werden

init_db.py

@@ -12,7 +12,7 @@ from datetime import datetime
 
 # Erstelle eine temporäre Flask-App, um die Datenbank zu initialisieren
 app = Flask(__name__)
-app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database/systades.db'
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///systades.db'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 db.init_app(app)
 

migrations/versions/add_missing_user_fields.py

@@ -1,40 +0,0 @@
-"""Add missing user fields
-
-Revision ID: 5a23f8c6db37
-Revises: d4406f5b12f7
-Create Date: 2025-05-02 10:45:00.000000
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = '5a23f8c6db37'
-down_revision = 'd4406f5b12f7'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('user', schema=None) as batch_op:
-        batch_op.add_column(sa.Column('bio', sa.Text(), nullable=True))
-        batch_op.add_column(sa.Column('location', sa.String(length=100), nullable=True))
-        batch_op.add_column(sa.Column('website', sa.String(length=200), nullable=True))
-        batch_op.add_column(sa.Column('avatar', sa.String(length=200), nullable=True))
-        batch_op.add_column(sa.Column('last_login', sa.DateTime(), nullable=True))
-
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('user', schema=None) as batch_op:
-        batch_op.drop_column('last_login')
-        batch_op.drop_column('avatar')
-        batch_op.drop_column('website')
-        batch_op.drop_column('location')
-        batch_op.drop_column('bio')
-
-    # ### end Alembic commands ### 

models.py

@@ -53,20 +53,11 @@ class User(db.Model, UserMixin):
     created_at = db.Column(db.DateTime, default=datetime.utcnow)
     is_active = db.Column(db.Boolean, default=True)
     role = db.Column(db.String(20), default="user")  # 'user', 'admin', 'moderator'
-    bio = db.Column(db.Text, nullable=True)  # Profil-Bio
-    location = db.Column(db.String(100), nullable=True)  # Standort
-    website = db.Column(db.String(200), nullable=True)  # Website
-    avatar = db.Column(db.String(200), nullable=True)  # Profilbild-URL
-    last_login = db.Column(db.DateTime, nullable=True)  # Letzter Login
     
     # Relationships
     threads = db.relationship('Thread', backref='creator', lazy=True)
     messages = db.relationship('Message', backref='author', lazy=True)
     projects = db.relationship('Project', backref='owner', lazy=True)
-    mindmaps = db.relationship('UserMindmap', backref='user', lazy=True)
-    thoughts = db.relationship('Thought', backref='author', lazy=True)
-    bookmarked_thoughts = db.relationship('Thought', secondary=user_thought_bookmark, 
-                                        lazy='dynamic', backref=db.backref('bookmarked_by', lazy='dynamic'))
     
     def __repr__(self):
         return f'<User {self.username}>'
@@ -76,14 +67,6 @@ class User(db.Model, UserMixin):
         
     def check_password(self, password):
         return check_password_hash(self.password, password)
-        
-    @property
-    def is_admin(self):
-        return self.role == 'admin'
-
-    @is_admin.setter
-    def is_admin(self, value):
-        self.role = 'admin' if value else 'user'
 
 class Category(db.Model):
     """Wissenschaftliche Kategorien für die Gliederung der öffentlichen Mindmap"""
@@ -322,41 +305,4 @@ class Document(db.Model):
     file_size = db.Column(db.Integer, nullable=True)
     
     def __repr__(self):
-        return f'<Document {self.title}>'
-
-# Forum-Kategorie-Modell - entspricht den Hauptknotenpunkten der Mindmap
-class ForumCategory(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
-    node_id = db.Column(db.Integer, db.ForeignKey('mind_map_node.id'), nullable=False)
-    title = db.Column(db.String(200), nullable=False)
-    description = db.Column(db.Text)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    is_active = db.Column(db.Boolean, default=True)
-    
-    # Beziehungen
-    node = db.relationship('MindMapNode', backref='forum_category')
-    posts = db.relationship('ForumPost', backref='category', lazy=True, cascade="all, delete-orphan")
-    
-    def __repr__(self):
-        return f'<ForumCategory {self.title}>'
-
-# Forum-Beitrag-Modell
-class ForumPost(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
-    title = db.Column(db.String(200), nullable=False)
-    content = db.Column(db.Text, nullable=False)
-    created_at = db.Column(db.DateTime, default=datetime.utcnow)
-    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
-    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
-    category_id = db.Column(db.Integer, db.ForeignKey('forum_category.id'), nullable=False)
-    parent_id = db.Column(db.Integer, db.ForeignKey('forum_post.id'), nullable=True)
-    is_pinned = db.Column(db.Boolean, default=False)
-    is_locked = db.Column(db.Boolean, default=False)
-    view_count = db.Column(db.Integer, default=0)
-    
-    # Beziehungen
-    author = db.relationship('User', backref='forum_posts')
-    replies = db.relationship('ForumPost', backref=db.backref('parent', remote_side=[id]), lazy=True)
-    
-    def __repr__(self):
-        return f'<ForumPost {self.title}>' 
+        return f'<Document {self.title}>' 

start.sh

@@ -1,53 +0,0 @@
-#!/usr/bin/env powershell
-# Windows PowerShell-Version des Start-Skripts
-# Datum: 01.05.2025
-
-# Docker-Status prüfen
-Write-Host "Prüfe Docker-Status..." -ForegroundColor Cyan
-try {
-    $status = docker ps -q
-    if ($LASTEXITCODE -ne 0) {
-        Write-Host "Docker ist nicht gestartet. Bitte starten Sie Docker Desktop." -ForegroundColor Red
-        exit 1
-    }
-} catch {
-    Write-Host "Docker ist nicht verfügbar. Bitte installieren Sie Docker Desktop und starten Sie es." -ForegroundColor Red
-    Write-Host $_.Exception.Message
-    exit 1
-}
-
-# Alte Container stoppen und entfernen
-$containerExists = docker ps -a --filter "name=systades_app" -q
-if ($containerExists) {
-    Write-Host "Stoppe und entferne alten Container..." -ForegroundColor Yellow
-    docker rm -f systades_app
-}
-
-# Alte Images löschen
-Write-Host "Entferne altes Image..." -ForegroundColor Yellow
-docker rmi -f systades_app:latest
-
-# Stelle sicher, dass das Datenbankverzeichnis existiert
-if (-not (Test-Path "database")) {
-    New-Item -Path "database" -ItemType Directory -Force
-}
-
-# Docker-Compose Setup neu bauen
-Write-Host "Baue Container neu..." -ForegroundColor Green
-docker-compose build --no-cache
-
-# Docker-Compose neu starten
-Write-Host "Starte Container..." -ForegroundColor Green
-docker-compose up -d --force-recreate
-
-# Warte kurz und prüfe, ob der Container läuft
-Write-Host "Prüfe Container-Status..." -ForegroundColor Cyan
-Start-Sleep -Seconds 3
-docker ps | Select-String "systades_app"
-
-# Ausgabe
-Write-Host "`nSystemstatus:" -ForegroundColor Cyan
-Write-Host "----------------------------------------"
-Write-Host "Systades-Anwendung ist jetzt unter http://localhost:5000 erreichbar." -ForegroundColor Green
-Write-Host "Container-Logs können mit 'docker logs -f systades_app' angezeigt werden." -ForegroundColor Green
-Write-Host "----------------------------------------" 

static/541AABD7-4E37-44ED-B491-1459C8C19699.PNG

@@ -1 +0,0 @@
- 

static/css/assistant.css

@@ -1,9 +1,6 @@
 /* ChatGPT Assistent Styles - Verbesserte Version */
 #chatgpt-assistant {
     font-family: 'Inter', sans-serif;
-    bottom: 5.5rem;
-    z-index: 100;
-    max-height: 85vh;
 }
 
 #assistant-chat {
@@ -13,15 +10,6 @@
     border-radius: 0.75rem;
     overflow: hidden;
     max-width: calc(100vw - 2rem);
-    max-height: 80vh !important;
-}
-
-#assistant-history {
-    max-height: calc(80vh - 150px);
-    overflow-y: auto;
-    scrollbar-width: thin;
-    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
-    padding-bottom: 2rem; /* Zusätzlicher Abstand unten */
 }
 
 #assistant-toggle {
@@ -34,6 +22,11 @@
     transform: scale(1.1) rotate(10deg);
 }
 
+#assistant-history {
+    scrollbar-width: thin;
+    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
+}
+
 #assistant-history::-webkit-scrollbar {
     width: 6px;
 }
@@ -149,21 +142,14 @@
 .typing-indicator span {
     height: 8px;
     width: 8px;
+    background-color: #888;
     border-radius: 50%;
     display: inline-block;
     margin: 0 2px;
-    opacity: 0.6;
+    opacity: 0.4;
     animation: bounce 1.4s infinite ease-in-out;
 }
 
-body.dark .typing-indicator span {
-    background-color: rgba(255, 255, 255, 0.7);
-}
-
-body:not(.dark) .typing-indicator span {
-    background-color: rgba(107, 114, 128, 0.8);
-}
-
 .typing-indicator span:nth-child(1) { animation-delay: 0s; }
 .typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
 .typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@@ -187,12 +173,11 @@ body:not(.dark) .typing-indicator span {
 @media (max-width: 640px) {
     #assistant-chat {
         width: calc(100vw - 2rem) !important;
-        max-height: 65vh !important;
     }
     
     #chatgpt-assistant {
         right: 1rem;
-        bottom: 6rem;
+        bottom: 1rem;
     }
 }
 
@@ -215,38 +200,4 @@ main {
 
 footer {
     flex-shrink: 0;
-}
-
-/* Verbesserte Farbkontraste für Nachrichtenblasen */
-.user-message {
-    background-color: rgba(124, 58, 237, 0.1) !important;
-    color: #4B5563 !important;
-}
-
-body.dark .user-message {
-    background-color: rgba(124, 58, 237, 0.2) !important;
-    color: #F9FAFB !important;
-}
-
-.assistant-message {
-    background-color: #F3F4F6 !important;
-    color: #1F2937 !important;
-    border-left: 3px solid #8B5CF6;
-}
-
-body.dark .assistant-message {
-    background-color: rgba(31, 41, 55, 0.5) !important;
-    color: #F9FAFB !important;
-    border-left: 3px solid #8B5CF6;
-}
-
-/* Chat-Assistent-Position im Footer-Bereich anpassen */
-.chat-assistant {
-    max-height: 75vh;
-    bottom: 1.5rem;
-}
-
-.chat-assistant .chat-messages {
-    max-height: calc(75vh - 180px);
-    overflow-y: auto;
 } 

static/css/base-styles.css

@@ -40,8 +40,8 @@
     --light-bg: #f9fafb;
     --light-text: #1e293b;
     --light-heading: #0f172a;
-    --light-primary: #7c3aed;
-    --light-primary-hover: #6d28d9;
+    --light-primary: #3b82f6;
+    --light-primary-hover: #4f46e5;
     --light-secondary: #6b7280;
     --light-border: #e5e7eb;
     --light-card-bg: rgba(255, 255, 255, 0.92);
@@ -68,37 +68,18 @@ body {
     line-height: 1.5;
 }
 
-/* Strikte Trennung: Dark Mode */
-html.dark body,
-body.dark {
+/* Dark Mode */
+html.dark body {
     background-color: var(--bg-primary-dark);
     color: var(--text-primary-dark);
 }
 
-/* Strikte Trennung: Light Mode */
-html:not(.dark) body,
+/* Light Mode */
 body:not(.dark) {
     background-color: var(--light-bg);
     color: var(--light-text);
 }
 
-/* Verbesserte Trennung: Container und Karten */
-body.dark .card,
-body.dark .glass-card,
-body.dark .panel {
-    background-color: var(--bg-secondary-dark);
-    border-color: var(--border-dark);
-    color: var(--text-primary-dark);
-}
-
-body:not(.dark) .card,
-body:not(.dark) .glass-card,
-body:not(.dark) .panel {
-    background-color: var(--light-card-bg);
-    border-color: var(--light-border);
-    color: var(--light-text);
-}
-
 /* Typography */
 h1, h2, h3, h4, h5, h6 {
     font-weight: 600;
@@ -407,7 +388,7 @@ html.dark ::-webkit-scrollbar-thumb:hover {
     }
     
     .section-heading {
-        font-size: 1.75rem;
+        font-size: 1.5rem;
     }
 }
 
@@ -474,60 +455,22 @@ body:not(.dark) a:hover {
 }
 
 /* Light Mode Buttons */
-body:not(.dark) button:not(.toggle):not(.plain-btn) {
-    color: white !important;
-    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
-}
-
 body:not(.dark) .btn,
-body:not(.dark) .btn-primary,
-body:not(.dark) .btn-secondary,
-body:not(.dark) .btn-success,
-body:not(.dark) .btn-danger,
-body:not(.dark) .btn-warning,
-body:not(.dark) .btn-info {
-    color: white !important;
+body:not(.dark) button:not(.toggle) {
+    background-color: var(--light-primary);
+    color: white;
+    border: none;
+    box-shadow: var(--light-shadow);
+    border-radius: 0.375rem;
+    padding: 0.5rem 1rem;
+    transition: all 0.3s ease;
 }
 
 body:not(.dark) .btn:hover,
 body:not(.dark) button:not(.toggle):hover {
-    background: linear-gradient(135deg, #7c3aed, #6d28d9);
-    transform: translateY(-1px);
-    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
-}
-
-/* Dark/Light Mode Switch Button */
-.theme-toggle {
-    position: relative;
-    width: 48px;
-    height: 24px;
-    background: linear-gradient(to right, #7c3aed, #3b82f6);
-    border-radius: 24px;
-    padding: 2px;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
-}
-
-.theme-toggle::after {
-    content: '';
-    position: absolute;
-    width: 20px;
-    height: 20px;
-    background: white;
-    border-radius: 50%;
-    top: 2px;
-    left: 2px;
-    transition: all 0.3s ease;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
-}
-
-.theme-toggle.dark::after {
-    transform: translateX(24px);
-}
-
-.theme-toggle:hover::after {
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
+    background-color: var(--light-primary-hover);
+    transform: translateY(-2px);
+    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.1);
 }
 
 /* Light Mode Cards und Panels */
@@ -580,489 +523,4 @@ body:not(.dark) .navbar {
     background-color: var(--light-navbar-bg);
     box-shadow: var(--light-shadow);
     border-bottom: 1px solid var(--light-border);
-}
-
-/* Erweiterte Light-Mode-spezifische Stile */
-body:not(.dark) .glass-effect {
-    background-color: rgba(255, 255, 255, 0.7);
-    backdrop-filter: blur(12px);
-    -webkit-backdrop-filter: blur(12px);
-    border: 1px solid rgba(209, 213, 219, 0.3);
-}
-
-body:not(.dark) .card {
-    background-color: rgba(255, 255, 255, 0.85);
-    border: 1px solid var(--light-border);
-    box-shadow: var(--light-shadow);
-    transition: all 0.3s ease;
-}
-
-body:not(.dark) .card:hover {
-    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
-    transform: translateY(-2px);
-}
-
-/* Light Mode Buttons mit verbesserter Lesbarkeit */
-body:not(.dark) .btn-primary {
-    background: linear-gradient(135deg, #6d28d9, #5b21b6);
-    color: white;
-    border: none;
-    transition: all 0.2s ease;
-    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
-    font-weight: 600;
-    letter-spacing: 0.02em;
-    box-shadow: 0 2px 4px rgba(91, 33, 182, 0.3);
-    border-radius: 8px;
-}
-
-body:not(.dark) .btn-primary:hover {
-    background: linear-gradient(135deg, #7c3aed, #6d28d9);
-    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
-    transform: translateY(-1px);
-}
-
-body:not(.dark) .btn-secondary {
-    background: linear-gradient(135deg, #ffffff, #f9fafb);
-    color: #1f2937;
-    border: 2px solid #e5e7eb;
-    font-weight: 600;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
-    border-radius: 8px;
-}
-
-body:not(.dark) .btn-secondary:hover {
-    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
-    border-color: #d1d5db;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
-    transform: translateY(-1px);
-}
-
-body:not(.dark) .btn-outline {
-    background-color: transparent;
-    color: var(--light-primary);
-    border: 1px solid var(--light-primary);
-}
-
-body:not(.dark) .btn-outline:hover {
-    background-color: rgba(124, 58, 237, 0.05);
-}
-
-/* Light Mode Formulare */
-body:not(.dark) input, 
-body:not(.dark) select, 
-body:not(.dark) textarea {
-    background-color: white;
-    border: 1px solid #d1d5db;
-    color: #1f2937;
-}
-
-body:not(.dark) input:focus, 
-body:not(.dark) select:focus, 
-body:not(.dark) textarea:focus {
-    border-color: var(--light-primary);
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-}
-
-/* Light Mode Navigation */
-body:not(.dark) .sidebar {
-    background-color: white;
-    border-right: 1px solid #e5e7eb;
-}
-
-body:not(.dark) .sidebar-link {
-    color: #4b5563;
-}
-
-body:not(.dark) .sidebar-link:hover {
-    background-color: #f3f4f6;
-    color: var(--light-primary);
-}
-
-body:not(.dark) .sidebar-link.active {
-    background-color: rgba(124, 58, 237, 0.08);
-    color: var(--light-primary);
-    font-weight: 500;
-}
-
-/* Light Mode Tabellen */
-body:not(.dark) table {
-    border-color: #e5e7eb;
-}
-
-body:not(.dark) th {
-    background-color: #f9fafb;
-    color: #111827;
-    font-weight: 600;
-}
-
-body:not(.dark) tr:nth-child(even) {
-    background-color: #f9fafb;
-}
-
-body:not(.dark) tr:hover {
-    background-color: #f3f4f6;
-}
-
-/* Light Mode Icons */
-body:not(.dark) .icon {
-    color: #6b7280;
-}
-
-body:not(.dark) .icon-primary {
-    color: var(--light-primary);
-}
-
-/* Light Mode Alerts/Benachrichtigungen */
-body:not(.dark) .alert-info {
-    background-color: #eff6ff;
-    border-left: 4px solid #3b82f6;
-    color: #1e40af;
-}
-
-body:not(.dark) .alert-success {
-    background-color: #ecfdf5;
-    border-left: 4px solid #10b981;
-    color: #065f46;
-}
-
-body:not(.dark) .alert-warning {
-    background-color: #fffbeb;
-    border-left: 4px solid #f59e0b;
-    color: #92400e;
-}
-
-body:not(.dark) .alert-error {
-    background-color: #fef2f2;
-    border-left: 4px solid #ef4444;
-    color: #b91c1c;
-}
-
-/* Light Mode Badge */
-body:not(.dark) .badge {
-    background-color: #e5e7eb;
-    color: #374151;
-}
-
-body:not(.dark) .badge-primary {
-    background-color: rgba(124, 58, 237, 0.1);
-    color: var(--light-primary);
-}
-
-/* Light Mode Mindmap spezifisch */
-body:not(.dark) #cy {
-    background-color: rgba(255, 255, 255, 0.7);
-    border: 1px solid #e5e7eb;
-}
-
-body:not(.dark) .node {
-    border: 2px solid white;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-}
-
-body:not(.dark) .node:hover,
-body:not(.dark) .node.selected {
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.5), 0 4px 8px rgba(0, 0, 0, 0.1);
-}
-
-body:not(.dark) .edge {
-    opacity: 0.7;
-}
-
-body:not(.dark) .edge:hover,
-body:not(.dark) .edge.selected {
-    opacity: 1;
-}
-
-/* Footer im Light Mode */
-body:not(.dark) footer {
-    background-color: rgba(249, 250, 251, 0.7);
-    border-top: 1px solid #e5e7eb;
-}
-
-/* Alpine.js Transitions im Light Mode */
-body:not(.dark) [x-cloak] {
-    display: none !important;
-}
-
-/* Suchfeldstyling im Light Mode */
-body:not(.dark) .search-container input {
-    background-color: white;
-    border: 1px solid #d1d5db;
-    color: #1f2937;
-}
-
-body:not(.dark) .search-container input:focus {
-    border-color: var(--light-primary);
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-}
-
-body:not(.dark) .search-results {
-    background-color: white;
-    border: 1px solid #e5e7eb;
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
-}
-
-body:not(.dark) .search-result-item:hover {
-    background-color: #f3f4f6;
-}
-
-/* Profile und Benutzermenü im Light Mode */
-body:not(.dark) .avatar {
-    border: 2px solid white;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
-}
-
-body:not(.dark) .user-dropdown {
-    background-color: white;
-    border: 1px solid #e5e7eb;
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
-}
-
-body:not(.dark) .user-dropdown-item:hover {
-    background-color: #f3f4f6;
-}
-
-/* Medienabfragen für Responsivität */
-@media (max-width: 640px) {
-  /* Optimierungen für Smartphones */
-  body {
-    padding-left: 0;
-    padding-right: 0;
-  }
-  
-  .container {
-    padding-left: 1rem;
-    padding-right: 1rem;
-  }
-  
-  .hero-heading {
-    font-size: 2rem;
-  }
-  
-  .section-heading {
-    font-size: 1.75rem;
-  }
-  
-  .card, .panel, .glass-card {
-    padding: 1rem;
-    border-radius: 10px;
-  }
-  
-  .navbar {
-    padding: 0.75rem 1rem;
-  }
-  
-  /* Optimierte Touch-Ziele für mobile Geräte */
-  button, .btn, .nav-link, .menu-item {
-    min-height: 44px;
-    min-width: 44px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-  }
-  
-  /* Verbesserte Lesbarkeit auf kleinen Bildschirmen */
-  p, li, input, textarea, button, .text-sm {
-    font-size: 1rem;
-    line-height: 1.5;
-  }
-  
-  /* Anpassungen für Tabellen auf kleinen Bildschirmen */
-  table {
-    display: block;
-    overflow-x: auto;
-    white-space: nowrap;
-  }
-  
-  /* Optimierte Formulare */
-  input, select, textarea {
-    font-size: 16px; /* Verhindert iOS-Zoom bei Fokus */
-    width: 100%;
-  }
-  
-  /* Verbesserter Abstand für Touch-Targets */
-  nav a, nav button, .menu-item {
-    margin: 0.25rem 0;
-    padding: 0.75rem;
-  }
-}
-
-@media (min-width: 641px) and (max-width: 1024px) {
-  /* Optimierungen für Tablets */
-  .container {
-    padding-left: 1.5rem;
-    padding-right: 1.5rem;
-  }
-  
-  /* Zweispaltige Layouts für mittlere Bildschirme */
-  .grid-cols-1 {
-    display: grid;
-    grid-template-columns: repeat(2, 1fr);
-    gap: 1.5rem;
-  }
-  
-  /* Optimierte Navigationsleiste */
-  .navbar {
-    padding: 0.75rem 1.5rem;
-  }
-}
-
-@media (min-width: 1025px) {
-  /* Optimierungen für Desktop */
-  .container {
-    padding-left: 2rem;
-    padding-right: 2rem;
-    max-width: 1280px;
-    margin: 0 auto;
-  }
-  
-  /* Mehrspaltige Layouts für große Bildschirme */
-  .grid-cols-1 {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
-    gap: 2rem;
-  }
-  
-  /* Hover-Effekte nur auf Desktop-Geräten */
-  .card:hover, .panel:hover, .glass-card:hover {
-    transform: translateY(-5px);
-    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
-    transition: transform 0.3s ease, box-shadow 0.3s ease;
-  }
-  
-  /* Desktop-spezifische Animationen */
-  .animate-hover {
-    transition: all 0.3s ease;
-  }
-  
-  .animate-hover:hover {
-    transform: translateY(-3px);
-    box-shadow: var(--shadow-lg);
-  }
-}
-
-/* Responsive design improvements */
-.responsive-grid {
-  display: grid;
-  gap: 1rem;
-  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
-}
-
-.responsive-flex {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 1rem;
-}
-
-.responsive-flex > * {
-  flex: 1 1 280px;
-}
-
-/* Accessibility improvements */
-.focus-visible:focus-visible {
-  outline: 2px solid var(--accent-primary-light);
-  outline-offset: 2px;
-}
-
-body.dark .focus-visible:focus-visible {
-  outline: 2px solid var(--accent-primary-dark);
-}
-
-/* Print styles */
-@media print {
-  body {
-    background: white !important;
-    color: black !important;
-  }
-  
-  nav, footer, button, .no-print {
-    display: none !important;
-  }
-  
-  main, article, .card, .panel, .container {
-    width: 100% !important;
-    border: none !important;
-    box-shadow: none !important;
-    color: black !important;
-    background: white !important;
-  }
-  
-  a {
-    color: black !important;
-    text-decoration: underline !important;
-  }
-  
-  a::after {
-    content: " (" attr(href) ")";
-    font-size: 0.8em;
-    font-weight: normal;
-  }
-  
-  h1, h2, h3, h4, h5, h6 {
-    page-break-after: avoid;
-    page-break-inside: avoid;
-  }
-  
-  img {
-    page-break-inside: avoid;
-    max-width: 100% !important;
-  }
-  
-  table {
-    page-break-inside: avoid;
-  }
-  
-  @page {
-    margin: 2cm;
-  }
-}
-
-/* Light Mode KI-Chatfenster */
-body:not(.dark) .chat-container {
-  background-color: rgba(255, 255, 255, 0.95);
-  border: 1px solid rgba(0, 0, 0, 0.1);
-  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
-  color: #1e293b;
-}
-
-body:not(.dark) .chat-message-ai {
-  background-color: rgba(124, 58, 237, 0.1);
-  border: 1px solid rgba(124, 58, 237, 0.2);
-}
-
-body:not(.dark) .chat-message-user {
-  background-color: rgba(59, 130, 246, 0.1);
-  border: 1px solid rgba(59, 130, 246, 0.2);
-}
-
-/* Anpassung der Chatfenster-Größe */
-.chat-assistant {
-  max-height: 85vh; /* Vergrößert von 80vh */
-  bottom: 1rem; /* Etwas höher positionieren */
-}
-
-.chat-assistant .chat-messages {
-  max-height: calc(85vh - 180px); /* Angepasst für größeres Fenster */
-  overflow-y: auto;
-  padding-bottom: 2rem; /* Zusätzlicher Abstand um Abschneiden zu vermeiden */
-}
-
-/* Verbesserungen für das Mobilmenü */
-@media (max-width: 768px) {
-  .mobile-menu-container {
-    max-height: 85vh;
-    overflow-y: auto;
-  }
-  
-  #chatgpt-assistant {
-    bottom: 4.5rem !important;
-  }
-  
-  .chat-assistant {
-    max-height: 70vh !important;
-  }
-  
-  .chat-assistant .chat-messages {
-    max-height: calc(70vh - 160px) !important;
-  }
 } 

static/css/mindmap.css

@@ -1,253 +0,0 @@
-/* Mindmap Container Styles */
-.mindmap-container {
-    position: relative;
-    width: 100%;
-    height: 100%;
-    min-height: 600px;
-    background: var(--bg-primary);
-    border-radius: 12px;
-    overflow: hidden;
-}
-
-/* Toolbar Styles */
-.mindmap-toolbar {
-    position: absolute;
-    top: 20px;
-    left: 50%;
-    transform: translateX(-50%);
-    display: flex;
-    gap: 8px;
-    padding: 8px;
-    background: var(--bg-secondary);
-    border-radius: 12px;
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-    z-index: 1000;
-    transition: all 0.3s ease;
-}
-
-.dark .mindmap-toolbar {
-    background: rgba(30, 41, 59, 0.8);
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-/* Toolbar Buttons */
-.mindmap-toolbar button {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    width: 36px;
-    height: 36px;
-    border: none;
-    border-radius: 8px;
-    background: transparent;
-    color: var(--text-primary);
-    cursor: pointer;
-    transition: all 0.2s ease;
-}
-
-.mindmap-toolbar button:hover {
-    background: var(--accent-primary);
-    color: white;
-    transform: translateY(-1px);
-}
-
-.mindmap-toolbar button:active {
-    transform: translateY(0);
-}
-
-.mindmap-toolbar button i {
-    font-size: 16px;
-}
-
-/* Export Group Styles */
-.export-group {
-    position: relative;
-}
-
-.export-options {
-    position: absolute;
-    top: 100%;
-    right: 0;
-    margin-top: 8px;
-    padding: 8px;
-    background: var(--bg-secondary);
-    border-radius: 8px;
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-    display: none;
-    flex-direction: column;
-    gap: 4px;
-    min-width: 160px;
-}
-
-.dark .export-options {
-    background: rgba(30, 41, 59, 0.9);
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.export-group:hover .export-options {
-    display: flex;
-}
-
-.export-options button {
-    width: 100%;
-    height: auto;
-    padding: 8px 12px;
-    justify-content: flex-start;
-    font-size: 14px;
-    border-radius: 6px;
-}
-
-/* Context Menu Styles */
-.mindmap-context-menu {
-    position: fixed;
-    background: var(--bg-secondary);
-    border-radius: 8px;
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-    padding: 8px;
-    z-index: 1000;
-    min-width: 180px;
-}
-
-.dark .mindmap-context-menu {
-    background: rgba(30, 41, 59, 0.9);
-    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-}
-
-.mindmap-context-menu button {
-    display: flex;
-    align-items: center;
-    width: 100%;
-    padding: 8px 12px;
-    border: none;
-    background: transparent;
-    color: var(--text-primary);
-    cursor: pointer;
-    font-size: 14px;
-    border-radius: 6px;
-    transition: all 0.2s ease;
-}
-
-.mindmap-context-menu button:hover {
-    background: var(--accent-primary);
-    color: white;
-}
-
-.mindmap-context-menu button i {
-    margin-right: 8px;
-    width: 16px;
-}
-
-/* Node Styles */
-.mindmap-node {
-    background-color: var(--bg-secondary);
-    border: 2px solid var(--accent-primary);
-    border-radius: 8px;
-    padding: 8px 12px;
-    transition: all 0.3s ease;
-}
-
-.mindmap-node:hover {
-    box-shadow: 0 0 0 2px var(--accent-primary);
-    transform: scale(1.05);
-}
-
-.mindmap-node.selected {
-    border-color: var(--accent-secondary);
-    box-shadow: 0 0 0 3px var(--accent-secondary);
-}
-
-/* Edge Styles */
-.mindmap-edge {
-    width: 2px;
-    transition: all 0.3s ease;
-}
-
-.dark .mindmap-edge {
-    background-color: rgba(255, 255, 255, 0.2);
-}
-
-.mindmap-edge:hover {
-    width: 3px;
-    background-color: var(--accent-primary);
-}
-
-/* Animation Styles */
-@keyframes nodeAppear {
-    from {
-        opacity: 0;
-        transform: scale(0.8);
-    }
-    to {
-        opacity: 1;
-        transform: scale(1);
-    }
-}
-
-.mindmap-node-new {
-    animation: nodeAppear 0.3s ease forwards;
-}
-
-/* Responsive Styles */
-@media (max-width: 768px) {
-    .mindmap-toolbar {
-        flex-wrap: wrap;
-        width: calc(100% - 32px);
-        justify-content: center;
-    }
-
-    .export-options {
-        left: 0;
-        right: auto;
-    }
-}
-
-/* Loading State */
-.mindmap-loading {
-    position: absolute;
-    top: 50%;
-    left: 50%;
-    transform: translate(-50%, -50%);
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    gap: 16px;
-}
-
-.mindmap-loading-spinner {
-    width: 40px;
-    height: 40px;
-    border: 4px solid var(--bg-secondary);
-    border-top-color: var(--accent-primary);
-    border-radius: 50%;
-    animation: spin 1s linear infinite;
-}
-
-@keyframes spin {
-    to {
-        transform: rotate(360deg);
-    }
-}
-
-/* Tooltip Styles */
-.mindmap-tooltip {
-    position: absolute;
-    background: var(--bg-secondary);
-    padding: 8px 12px;
-    border-radius: 6px;
-    font-size: 12px;
-    pointer-events: none;
-    z-index: 1000;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
-    max-width: 200px;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-.dark .mindmap-tooltip {
-    background: rgba(30, 41, 59, 0.9);
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
-}

static/img/default-avatar.svg

@@ -1,11 +0,0 @@
-<svg width="200" height="200" viewBox="0 0 200 200" fill="none" xmlns="http://www.w3.org/2000/svg">
-  <circle cx="100" cy="100" r="98" fill="url(#gradient)" stroke="#7C3AED" stroke-width="4"/>
-  <circle cx="100" cy="80" r="36" fill="white"/>
-  <path d="M100 140C77.9086 140 60 157.909 60 180H140C140 157.909 122.091 140 100 140Z" fill="white"/>
-  <defs>
-    <linearGradient id="gradient" x1="0" y1="0" x2="200" y2="200" gradientUnits="userSpaceOnUse">
-      <stop offset="0" stop-color="#8B5CF6"/>
-      <stop offset="1" stop-color="#3B82F6"/>
-    </linearGradient>
-  </defs>
-</svg> 

static/img/favicon-gen.py

@@ -1,54 +1,25 @@
 #!/usr/bin/env python3
-"""
-Generate favicon.ico from SVG using cairosvg and PIL
-"""
+# -*- coding: utf-8 -*-
 
 import os
-import io
-from cairosvg import svg2png
 from PIL import Image
+import cairosvg
 
-# Verzeichnis dieses Skripts
-CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
+# Pfad zum SVG-Favicon
+svg_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'favicon.svg')
+# Ausgabepfad für das PNG
+png_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'favicon.png')
+# Ausgabepfad für das ICO
+ico_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'favicon.ico')
 
-def svg_to_ico(svg_path, ico_path, sizes=[16, 32, 48, 64, 128, 256]):
-    """Convert SVG to multi-size ICO file"""
-    img_io = io.BytesIO()
-    
-    # Höchste Auflösung für Zwischenspeicherung
-    max_size = max(sizes)
-    
-    # SVG in PNG konvertieren
-    with open(svg_path, 'rb') as svg_file:
-        svg_data = svg_file.read()
-        svg2png(bytestring=svg_data, write_to=img_io, output_width=max_size, output_height=max_size)
-    
-    # PNG in verschiedene Größen konvertieren
-    img = Image.open(img_io)
-    
-    # Alle Größen für das ICO-Format vorbereiten
-    img_list = []
-    for size in sizes:
-        resized_img = img.resize((size, size), Image.LANCZOS)
-        img_list.append(resized_img)
-    
-    # ICO-Datei speichern
-    img_list[0].save(
-        ico_path,
-        format='ICO',
-        sizes=[(img.width, img.height) for img in img_list],
-        append_images=img_list[1:]
-    )
-    print(f"Favicon {ico_path} wurde erstellt!")
+# SVG zu PNG konvertieren
+cairosvg.svg2png(url=svg_path, write_to=png_path, output_width=512, output_height=512)
 
-# Ursprüngliches Favicon konvertieren
-svg_to_ico(
-    os.path.join(CURRENT_DIR, 'favicon.svg'),
-    os.path.join(CURRENT_DIR, 'favicon.ico')
-)
+# PNG zu ICO konvertieren
+img = Image.open(png_path)
+img.save(ico_path, sizes=[(16, 16), (32, 32), (48, 48), (64, 64), (128, 128)])
 
-# Neues Neuron-Favicon konvertieren
-svg_to_ico(
-    os.path.join(CURRENT_DIR, 'neuron-favicon.svg'),
-    os.path.join(CURRENT_DIR, 'neuron-favicon.ico')
-) 
+print(f"Favicon erfolgreich erstellt: {ico_path}")
+
+# Optional: PNG-Datei löschen, wenn nur ICO benötigt wird
+# os.remove(png_path) 

static/img/neuron-favicon.svg

@@ -1,29 +0,0 @@
-<svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
-  <!-- Hintergrund -->
-  <rect width="32" height="32" rx="8" fill="#6d28d9" />
-  
-  <!-- Mindmap-Punkte -->
-  <!-- Zentraler Punkt -->
-  <circle cx="16" cy="16" r="3.5" fill="#a78bfa" />
-  
-  <!-- Umgebende Punkte -->
-  <circle cx="8" cy="10" r="2.5" fill="#8b5cf6" />
-  <circle cx="24" cy="10" r="2.5" fill="#8b5cf6" />
-  <circle cx="16" cy="26" r="2.5" fill="#8b5cf6" />
-  
-  <!-- Verbindende Linien -->
-  <path d="M16 16 L8 10" stroke="white" stroke-width="1" stroke-linecap="round" />
-  <path d="M16 16 L24 10" stroke="white" stroke-width="1" stroke-linecap="round" />
-  <path d="M16 16 L16 26" stroke="white" stroke-width="1" stroke-linecap="round" />
-  
-  <!-- Weitere Verbindungslinien für mehr Komplexität -->
-  <path d="M8 10 L16 26" stroke="#c4b5fd" stroke-width="0.8" stroke-linecap="round" stroke-dasharray="2 1" />
-  <path d="M24 10 L16 26" stroke="#c4b5fd" stroke-width="0.8" stroke-linecap="round" stroke-dasharray="2 1" />
-  <path d="M8 10 L24 10" stroke="#c4b5fd" stroke-width="0.8" stroke-linecap="round" stroke-dasharray="2 1" />
-  
-  <!-- Kleine Dekoration-Punkte für Hintergrund-Ähnlichkeit -->
-  <circle cx="5" cy="20" r="0.8" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="27" cy="20" r="0.8" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="20" cy="5" r="0.8" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="12" cy="5" r="0.8" fill="#ddd6fe" opacity="0.7" />
-</svg>

static/img/neuron-logo.svg

@@ -1,59 +0,0 @@
-<svg width="64" height="64" viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
-  <!-- Hintergrund mit Farbverlauf -->
-  <rect width="64" height="64" rx="16" fill="url(#paint0_linear)" />
-  
-  <!-- Mindmap-Punkte -->
-  <!-- Zentraler Punkt -->
-  <circle cx="32" cy="32" r="8" fill="url(#glow_gradient)" filter="url(#glow)" />
-  
-  <!-- Umgebende Punkte -->
-  <circle cx="16" cy="20" r="6" fill="#8b5cf6" />
-  <circle cx="48" cy="20" r="6" fill="#8b5cf6" />
-  <circle cx="32" cy="52" r="6" fill="#8b5cf6" />
-  <circle cx="16" cy="48" r="4" fill="#a78bfa" />
-  <circle cx="48" cy="48" r="4" fill="#a78bfa" />
-  
-  <!-- Verbindende Linien (Hauptpfade) -->
-  <path d="M32 32 L16 20" stroke="white" stroke-width="2" stroke-linecap="round" />
-  <path d="M32 32 L48 20" stroke="white" stroke-width="2" stroke-linecap="round" />
-  <path d="M32 32 L32 52" stroke="white" stroke-width="2" stroke-linecap="round" />
-  <path d="M32 32 L16 48" stroke="white" stroke-width="2" stroke-linecap="round" />
-  <path d="M32 32 L48 48" stroke="white" stroke-width="2" stroke-linecap="round" />
-  
-  <!-- Zusätzliche Verbindungslinien -->
-  <path d="M16 20 L16 48" stroke="#c4b5fd" stroke-width="1.5" stroke-linecap="round" stroke-dasharray="3 2" />
-  <path d="M48 20 L48 48" stroke="#c4b5fd" stroke-width="1.5" stroke-linecap="round" stroke-dasharray="3 2" />
-  <path d="M16 20 L48 20" stroke="#c4b5fd" stroke-width="1.5" stroke-linecap="round" stroke-dasharray="3 2" />
-  <path d="M16 48 L32 52" stroke="#c4b5fd" stroke-width="1.5" stroke-linecap="round" stroke-dasharray="3 2" />
-  <path d="M48 48 L32 52" stroke="#c4b5fd" stroke-width="1.5" stroke-linecap="round" stroke-dasharray="3 2" />
-  
-  <!-- Kleine Dekoration-Punkte für Hintergrund-Ähnlichkeit -->
-  <circle cx="10" cy="36" r="1.5" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="54" cy="36" r="1.5" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="40" cy="10" r="1.5" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="24" cy="10" r="1.5" fill="#ddd6fe" opacity="0.7" />
-  <circle cx="20" cy="36" r="1.2" fill="#ddd6fe" opacity="0.5" />
-  <circle cx="44" cy="36" r="1.2" fill="#ddd6fe" opacity="0.5" />
-  <circle cx="32" cy="16" r="1.2" fill="#ddd6fe" opacity="0.5" />
-  
-  <!-- Definitionen für Farbverläufe und Effekte -->
-  <defs>
-    <!-- Haupthintergrund-Farbverlauf -->
-    <linearGradient id="paint0_linear" x1="0" y1="0" x2="64" y2="64" gradientUnits="userSpaceOnUse">
-      <stop stop-color="#6d28d9" />
-      <stop offset="1" stop-color="#4c1d95" />
-    </linearGradient>
-    
-    <!-- Glüheffekt für den zentralen Punkt -->
-    <filter id="glow" x="20" y="20" width="24" height="24" filterUnits="userSpaceOnUse">
-      <feGaussianBlur stdDeviation="2" result="blur" />
-      <feComposite in="SourceGraphic" in2="blur" operator="over" />
-    </filter>
-    
-    <!-- Farbverlauf für den zentralen Punkt -->
-    <linearGradient id="glow_gradient" x1="24" y1="24" x2="40" y2="40" gradientUnits="userSpaceOnUse">
-      <stop stop-color="#a78bfa" />
-      <stop offset="1" stop-color="#8b5cf6" />
-    </linearGradient>
-  </defs>
-</svg>

static/js/mindmap-init.js

@@ -1,214 +0,0 @@
-/**
- * Mindmap Initialisierung und Event-Handling
- */
-
-// Warte auf die Cytoscape-Instanz
-document.addEventListener('mindmap-loaded', function() {
-  const cy = window.cy;
-  if (!cy) return;
-
-  // Event-Listener für Knoten-Klicks
-    cy.on('tap', 'node', function(evt) {
-        const node = evt.target;
-        
-    // Alle vorherigen Hervorhebungen zurücksetzen
-    cy.nodes().forEach(n => {
-      n.removeStyle();
-      n.connectedEdges().removeStyle();
-    });
-    
-    // Speichere ausgewählten Knoten
-    window.mindmapInstance.selectedNode = node;
-    
-    // Aktiviere leuchtenden Effekt statt Umkreisung
-    node.style({
-      'background-opacity': 1,
-      'background-color': node.data('color'),
-      'shadow-color': node.data('color'),
-      'shadow-opacity': 1,
-      'shadow-blur': 15,
-      'shadow-offset-x': 0,
-      'shadow-offset-y': 0
-    });
-    
-    // Verbundene Kanten und Knoten hervorheben
-    const connectedEdges = node.connectedEdges();
-    const connectedNodes = node.neighborhood('node');
-    
-    connectedEdges.style({
-      'line-color': '#a78bfa',
-      'target-arrow-color': '#a78bfa',
-      'source-arrow-color': '#a78bfa',
-      'line-opacity': 0.8,
-      'width': 2
-    });
-    
-    connectedNodes.style({
-      'shadow-opacity': 0.7,
-      'shadow-blur': 10,
-      'shadow-color': '#a78bfa'
-    });
-    
-    // Info-Panel aktualisieren
-    updateInfoPanel(node);
-    
-    // Seitenleiste aktualisieren
-    updateSidebar(node);
-  });
-  
-  // Klick auf Hintergrund - Auswahl zurücksetzen
-  cy.on('tap', function(evt) {
-    if (evt.target === cy) {
-      resetSelection(cy);
-    }
-  });
-
-  // Zoom-Controls
-  document.getElementById('zoomIn')?.addEventListener('click', () => {
-    cy.zoom({
-      level: cy.zoom() * 1.2,
-      renderedPosition: { x: cy.width() / 2, y: cy.height() / 2 }
-    });
-  });
-
-  document.getElementById('zoomOut')?.addEventListener('click', () => {
-    cy.zoom({
-      level: cy.zoom() / 1.2,
-      renderedPosition: { x: cy.width() / 2, y: cy.height() / 2 }
-    });
-  });
-
-  document.getElementById('resetView')?.addEventListener('click', () => {
-    cy.fit();
-    resetSelection(cy);
-  });
-
-  // Legend-Toggle
-  document.getElementById('toggleLegend')?.addEventListener('click', () => {
-    const legend = document.getElementById('categoryLegend');
-    if (legend) {
-      isLegendVisible = !isLegendVisible;
-      legend.style.display = isLegendVisible ? 'block' : 'none';
-    }
-  });
-
-  // Keyboard-Controls
-  document.addEventListener('keydown', (e) => {
-    if (e.key === '+' || e.key === '=') {
-      cy.zoom({
-        level: cy.zoom() * 1.2,
-        renderedPosition: { x: cy.width() / 2, y: cy.height() / 2 }
-      });
-    } else if (e.key === '-' || e.key === '_') {
-      cy.zoom({
-        level: cy.zoom() / 1.2,
-        renderedPosition: { x: cy.width() / 2, y: cy.height() / 2 }
-      });
-    } else if (e.key === 'Escape') {
-      resetSelection(cy);
-    }
-  });
-});
-
-/**
- * Aktualisiert das Info-Panel mit Knoteninformationen
- * @param {Object} node - Der ausgewählte Knoten
- */
-function updateInfoPanel(node) {
-  const infoPanel = document.getElementById('infoPanel');
-  if (!infoPanel) return;
-
-  const data = node.data();
-  const connectedNodes = node.neighborhood('node');
-  
-  let html = `
-    <h3>${data.label || data.name}</h3>
-    <p class="category">${data.category || 'Keine Kategorie'}</p>
-    ${data.description ? `<p class="description">${data.description}</p>` : ''}
-    <div class="connections">
-      <h4>Verbindungen (${connectedNodes.length})</h4>
-      <ul>
-  `;
-  
-  connectedNodes.forEach(connectedNode => {
-    const connectedData = connectedNode.data();
-    html += `
-      <li style="color: ${connectedData.color || '#60a5fa'}">
-        ${connectedData.label || connectedData.name}
-      </li>
-    `;
-  });
-  
-  html += `
-      </ul>
-      </div>
-    `;
-    
-  infoPanel.innerHTML = html;
-  infoPanel.style.display = 'block';
-}
-
-/**
- * Aktualisiert die Seitenleiste mit Knoteninformationen
- * @param {Object} node - Der ausgewählte Knoten
- */
-function updateSidebar(node) {
-  const sidebar = document.getElementById('sidebar');
-  if (!sidebar) return;
-
-  const data = node.data();
-  const connectedNodes = node.neighborhood('node');
-  
-  let html = `
-    <div class="node-details">
-      <h3>${data.label || data.name}</h3>
-      <p class="category">${data.category || 'Keine Kategorie'}</p>
-      ${data.description ? `<p class="description">${data.description}</p>` : ''}
-      <div class="connections">
-        <h4>Verbindungen (${connectedNodes.length})</h4>
-        <ul>
-  `;
-  
-  connectedNodes.forEach(connectedNode => {
-    const connectedData = connectedNode.data();
-    html += `
-      <li style="color: ${connectedData.color || '#60a5fa'}">
-        ${connectedData.label || connectedData.name}
-      </li>
-    `;
-  });
-  
-  html += `
-        </ul>
-              </div>
-            </div>
-          `;
-  
-  sidebar.innerHTML = html;
-}
-
-/**
- * Setzt die Auswahl zurück
- * @param {Object} cy - Cytoscape-Instanz
- */
-function resetSelection(cy) {
-  window.mindmapInstance.selectedNode = null;
-  
-  // Alle Hervorhebungen zurücksetzen
-  cy.nodes().forEach(node => {
-    node.removeStyle();
-    node.connectedEdges().removeStyle();
-  });
-  
-  // Info-Panel ausblenden
-  const infoPanel = document.getElementById('infoPanel');
-  if (infoPanel) {
-    infoPanel.style.display = 'none';
-  }
-  
-  // Seitenleiste leeren
-  const sidebar = document.getElementById('sidebar');
-  if (sidebar) {
-    sidebar.innerHTML = '';
-  }
-} 

static/js/mindmap.html

@@ -0,0 +1,234 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Interaktive Mindmap</title>
+  
+  <!-- Cytoscape.js -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape/3.26.0/cytoscape.min.js"></script>
+  
+  <!-- Socket.IO -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
+  
+  <!-- Feather Icons (optional) -->
+  <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
+  
+  <style>
+    * {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
+    
+    body {
+      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+      background-color: #f9fafb;
+      color: #111827;
+      line-height: 1.5;
+    }
+    
+    .container {
+      display: flex;
+      flex-direction: column;
+      height: 100vh;
+      width: 100%;
+    }
+    
+    .header {
+      background-color: #1f2937;
+      color: white;
+      padding: 1rem;
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+    }
+    
+    .header h1 {
+      font-size: 1.5rem;
+      font-weight: 500;
+    }
+    
+    .toolbar {
+      background-color: #f3f4f6;
+      padding: 0.75rem;
+      display: flex;
+      gap: 0.5rem;
+      border-bottom: 1px solid #e5e7eb;
+    }
+    
+    .btn {
+      background-color: #3b82f6;
+      color: white;
+      border: none;
+      border-radius: 0.25rem;
+      padding: 0.5rem 1rem;
+      font-size: 0.875rem;
+      cursor: pointer;
+      transition: background-color 0.2s;
+      display: flex;
+      align-items: center;
+      gap: 0.5rem;
+    }
+    
+    .btn:hover {
+      background-color: #2563eb;
+    }
+    
+    .btn-secondary {
+      background-color: #6b7280;
+    }
+    
+    .btn-secondary:hover {
+      background-color: #4b5563;
+    }
+    
+    .btn-danger {
+      background-color: #ef4444;
+    }
+    
+    .btn-danger:hover {
+      background-color: #dc2626;
+    }
+    
+    .search-container {
+      flex: 1;
+      display: flex;
+      margin-left: 1rem;
+    }
+    
+    .search-input {
+      width: 100%;
+      max-width: 300px;
+      padding: 0.5rem;
+      border: 1px solid #d1d5db;
+      border-radius: 0.25rem;
+      font-size: 0.875rem;
+    }
+    
+    #cy {
+      flex: 1;
+      width: 100%;
+      position: relative;
+    }
+    
+    .category-filters {
+      display: flex;
+      gap: 0.5rem;
+      flex-wrap: wrap;
+      padding: 0.75rem;
+      background-color: #ffffff;
+      border-bottom: 1px solid #e5e7eb;
+    }
+    
+    .category-filter {
+      border: none;
+      border-radius: 0.25rem;
+      padding: 0.25rem 0.75rem;
+      font-size: 0.75rem;
+      cursor: pointer;
+      transition: opacity 0.2s;
+      color: white;
+    }
+    
+    .category-filter:not(.active) {
+      opacity: 0.6;
+    }
+    
+    .category-filter:hover:not(.active) {
+      opacity: 0.8;
+    }
+    
+    .footer {
+      background-color: #f3f4f6;
+      padding: 0.75rem;
+      text-align: center;
+      font-size: 0.75rem;
+      color: #6b7280;
+      border-top: 1px solid #e5e7eb;
+    }
+    
+    /* Kontextmenü Styling */
+    #context-menu {
+      position: absolute;
+      background-color: white;
+      border: 1px solid #e5e7eb;
+      border-radius: 0.25rem;
+      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+      z-index: 1000;
+    }
+    
+    #context-menu .menu-item {
+      padding: 0.5rem 1rem;
+      cursor: pointer;
+    }
+    
+    #context-menu .menu-item:hover {
+      background-color: #f3f4f6;
+    }
+  </style>
+</head>
+<body>
+  <div class="container">
+    <header class="header">
+      <h1>Interaktive Mindmap</h1>
+      <div class="search-container">
+        <input type="text" id="search-mindmap" class="search-input" placeholder="Suchen...">
+      </div>
+    </header>
+    
+    <div class="toolbar">
+      <button id="addNode" class="btn">
+        <i data-feather="plus-circle"></i>
+        Knoten hinzufügen
+      </button>
+      <button id="addEdge" class="btn">
+        <i data-feather="git-branch"></i>
+        Verbindung erstellen
+      </button>
+      <button id="editNode" class="btn btn-secondary">
+        <i data-feather="edit-2"></i>
+        Knoten bearbeiten
+      </button>
+      <button id="deleteNode" class="btn btn-danger">
+        <i data-feather="trash-2"></i>
+        Knoten löschen
+      </button>
+      <button id="deleteEdge" class="btn btn-danger">
+        <i data-feather="scissors"></i>
+        Verbindung löschen
+      </button>
+      <button id="reLayout" class="btn btn-secondary">
+        <i data-feather="refresh-cw"></i>
+        Layout neu anordnen
+      </button>
+      <button id="exportMindmap" class="btn btn-secondary">
+        <i data-feather="download"></i>
+        Exportieren
+      </button>
+    </div>
+    
+    <div id="category-filters" class="category-filters">
+      <!-- Wird dynamisch befüllt -->
+    </div>
+    
+    <div id="cy"></div>
+    
+    <footer class="footer">
+      Mindmap-Anwendung © 2023
+    </footer>
+  </div>
+  
+  <!-- Unsere Mindmap JS -->
+  <script src="../js/mindmap.js"></script>
+  
+  <!-- Icons initialisieren -->
+  <script>
+    document.addEventListener('DOMContentLoaded', () => {
+      if (typeof feather !== 'undefined') {
+        feather.replace();
+      }
+    });
+  </script>
+</body>
+</html> 

static/js/mindmap.js

@@ -0,0 +1,749 @@
+/**
+ * Mindmap.js - Interaktive Mind-Map Implementierung
+ * - Cytoscape.js für Graph-Rendering
+ * - Fetch API für REST-Zugriffe
+ * - Socket.IO für Echtzeit-Synchronisation
+ */
+
+(async () => {
+  /* 1. Initialisierung und Grundkonfiguration */
+  const cy = cytoscape({
+    container: document.getElementById('cy'),
+    style: [
+      {
+        selector: 'node',
+        style: {
+          'label': 'data(name)',
+          'text-valign': 'center',
+          'color': '#fff',
+          'background-color': 'data(color)',
+          'width': 45,
+          'height': 45,
+          'font-size': 11,
+          'text-outline-width': 1,
+          'text-outline-color': '#000',
+          'text-outline-opacity': 0.5,
+          'text-wrap': 'wrap',
+          'text-max-width': 80
+        }
+      },
+      {
+        selector: 'node[icon]',
+        style: {
+          'background-image': function(ele) {
+            return `static/img/icons/${ele.data('icon')}.svg`;
+          },
+          'background-width': '60%',
+          'background-height': '60%',
+          'background-position-x': '50%',
+          'background-position-y': '40%',
+          'text-margin-y': 10
+        }
+      },
+      {
+        selector: 'edge',
+        style: {
+          'width': 2,
+          'line-color': '#888',
+          'target-arrow-shape': 'triangle',
+          'curve-style': 'bezier',
+          'target-arrow-color': '#888'
+        }
+      },
+      {
+        selector: ':selected',
+        style: {
+          'border-width': 3,
+          'border-color': '#f8f32b'
+        }
+      }
+    ],
+    layout: { 
+      name: 'breadthfirst', 
+      directed: true, 
+      padding: 30,
+      spacingFactor: 1.2
+    }
+  });
+
+  /* 2. Hilfs-Funktionen für API-Zugriffe */
+  const get = async endpoint => {
+    try {
+      const response = await fetch(endpoint);
+      if (!response.ok) {
+        console.error(`API-Fehler: ${endpoint} antwortet mit Status ${response.status}`);
+        return []; // Leeres Array zurückgeben bei Fehlern
+      }
+      return await response.json();
+    } catch (error) {
+      console.error(`Fehler beim Abrufen von ${endpoint}:`, error);
+      return []; // Leeres Array zurückgeben bei Netzwerkfehlern
+    }
+  };
+  
+  const post = async (endpoint, body) => {
+    try {
+      const response = await fetch(endpoint, { 
+        method: 'POST', 
+        headers: { 'Content-Type': 'application/json' }, 
+        body: JSON.stringify(body) 
+      });
+      if (!response.ok) {
+        console.error(`API-Fehler: ${endpoint} antwortet mit Status ${response.status}`);
+        return {}; // Leeres Objekt zurückgeben bei Fehlern
+      }
+      return await response.json();
+    } catch (error) {
+      console.error(`Fehler beim POST zu ${endpoint}:`, error);
+      return {}; // Leeres Objekt zurückgeben bei Netzwerkfehlern
+    }
+  };
+  
+  const del = async endpoint => {
+    try {
+      const response = await fetch(endpoint, { method: 'DELETE' });
+      if (!response.ok) {
+        console.error(`API-Fehler: ${endpoint} antwortet mit Status ${response.status}`);
+        return {}; // Leeres Objekt zurückgeben bei Fehlern
+      }
+      return await response.json();
+    } catch (error) {
+      console.error(`Fehler beim DELETE zu ${endpoint}:`, error);
+      return {}; // Leeres Objekt zurückgeben bei Netzwerkfehlern
+    }
+  };
+
+  /* 3. Kategorien laden für Style-Informationen */
+  let categories = await get('/api/categories');
+  
+  /* 4. Daten laden und Rendering */
+  const loadMindmap = async () => {
+    try {
+      // Nodes und Beziehungen parallel laden
+      const [nodes, relationships] = await Promise.all([
+        get('/api/mind_map_nodes'), 
+        get('/api/node_relationships')
+      ]);
+      
+      // Graph leeren (für Reload-Fälle)
+      cy.elements().remove();
+      
+      // Überprüfen, ob nodes ein Array ist, wenn nicht, setze es auf ein leeres Array
+      const nodesArray = Array.isArray(nodes) ? nodes : [];
+      
+      // Knoten zum Graph hinzufügen
+      cy.add(
+        nodesArray.map(node => {
+          // Kategorie-Informationen für Styling abrufen
+          const category = categories.find(c => c.id === node.category_id) || {};
+          
+          return {
+            data: { 
+              id: node.id.toString(),
+              name: node.name,
+              description: node.description,
+              color: node.color_code || category.color_code || '#6b7280',
+              icon: node.icon || category.icon,
+              category_id: node.category_id
+            },
+            position: node.x && node.y ? { x: node.x, y: node.y } : undefined
+          };
+        })
+      );
+      
+      // Überprüfen, ob relationships ein Array ist, wenn nicht, setze es auf ein leeres Array
+      const relationshipsArray = Array.isArray(relationships) ? relationships : [];
+      
+      // Kanten zum Graph hinzufügen
+      cy.add(
+        relationshipsArray.map(rel => ({
+          data: {
+            id: `${rel.parent_id}_${rel.child_id}`,
+            source: rel.parent_id.toString(),
+            target: rel.child_id.toString()
+          }
+        }))
+      );
+      
+      // Wenn keine Knoten geladen wurden, Fallback-Knoten erstellen
+      if (nodesArray.length === 0) {
+        // Mindestens einen Standardknoten hinzufügen
+        cy.add({
+          data: {
+            id: 'fallback-1',
+            name: 'Mindmap',
+            description: 'Erstellen Sie hier Ihre eigene Mindmap',
+            color: '#3b82f6',
+            icon: 'help-circle'
+          },
+          position: { x: 300, y: 200 }
+        });
+        
+        // Erfolgsmeldung anzeigen
+        console.log('Mindmap erfolgreich initialisiert mit Fallback-Knoten');
+        
+        // Info-Meldung für Benutzer anzeigen
+        const infoBox = document.createElement('div');
+        infoBox.classList.add('info-message');
+        infoBox.style.position = 'absolute';
+        infoBox.style.top = '50%';
+        infoBox.style.left = '50%';
+        infoBox.style.transform = 'translate(-50%, -50%)';
+        infoBox.style.padding = '15px 20px';
+        infoBox.style.backgroundColor = 'rgba(59, 130, 246, 0.9)';
+        infoBox.style.color = 'white';
+        infoBox.style.borderRadius = '8px';
+        infoBox.style.zIndex = '5';
+        infoBox.style.maxWidth = '80%';
+        infoBox.style.textAlign = 'center';
+        infoBox.style.boxShadow = '0 4px 12px rgba(0,0,0,0.15)';
+        infoBox.innerHTML = 'Mindmap erfolgreich initialisiert.<br>Verwenden Sie die Werkzeugleiste, um Knoten hinzuzufügen.';
+        
+        document.getElementById('cy').appendChild(infoBox);
+        
+        // Meldung nach 5 Sekunden ausblenden
+        setTimeout(() => {
+          infoBox.style.opacity = '0';
+          infoBox.style.transition = 'opacity 0.5s ease';
+          setTimeout(() => {
+            if (infoBox.parentNode) {
+              infoBox.parentNode.removeChild(infoBox);
+            }
+          }, 500);
+        }, 5000);
+      }
+      
+      // Layout anwenden wenn keine Positionsdaten vorhanden
+      const nodesWithoutPosition = cy.nodes().filter(node => 
+        !node.position() || (node.position().x === 0 && node.position().y === 0)
+      );
+      
+      if (nodesWithoutPosition.length > 0) {
+        cy.layout({ 
+          name: 'breadthfirst', 
+          directed: true, 
+          padding: 30,
+          spacingFactor: 1.2
+        }).run();
+      }
+      
+      // Tooltip-Funktionalität
+      cy.nodes().unbind('mouseover').bind('mouseover', (event) => {
+        const node = event.target;
+        const description = node.data('description');
+        
+        if (description) {
+          const tooltip = document.getElementById('node-tooltip') || 
+                          document.createElement('div');
+          
+          if (!tooltip.id) {
+            tooltip.id = 'node-tooltip';
+            tooltip.style.position = 'absolute';
+            tooltip.style.backgroundColor = '#333';
+            tooltip.style.color = '#fff';
+            tooltip.style.padding = '8px';
+            tooltip.style.borderRadius = '4px';
+            tooltip.style.maxWidth = '250px';
+            tooltip.style.zIndex = 10;
+            tooltip.style.pointerEvents = 'none';
+            tooltip.style.transition = 'opacity 0.2s';
+            tooltip.style.boxShadow = '0 2px 10px rgba(0,0,0,0.3)';
+            document.body.appendChild(tooltip);
+          }
+          
+          const renderedPosition = node.renderedPosition();
+          const containerRect = cy.container().getBoundingClientRect();
+          
+          tooltip.innerHTML = description;
+          tooltip.style.left = (containerRect.left + renderedPosition.x + 25) + 'px';
+          tooltip.style.top = (containerRect.top + renderedPosition.y - 15) + 'px';
+          tooltip.style.opacity = '1';
+        }
+      });
+      
+      cy.nodes().unbind('mouseout').bind('mouseout', () => {
+        const tooltip = document.getElementById('node-tooltip');
+        if (tooltip) {
+          tooltip.style.opacity = '0';
+        }
+      });
+      
+    } catch (error) {
+      console.error('Fehler beim Laden der Mindmap:', error);
+      alert('Die Mindmap konnte nicht geladen werden. Bitte prüfen Sie die Konsole für Details.');
+    }
+  };
+  
+  // Initial laden
+  await loadMindmap();
+
+  /* 5. Socket.IO für Echtzeit-Synchronisation */
+  const socket = io();
+  
+  socket.on('node_added', async (node) => {
+    // Kategorie-Informationen für Styling abrufen
+    const category = categories.find(c => c.id === node.category_id) || {};
+    
+    cy.add({
+      data: { 
+        id: node.id.toString(),
+        name: node.name,
+        description: node.description,
+        color: node.color_code || category.color_code || '#6b7280',
+        icon: node.icon || category.icon,
+        category_id: node.category_id
+      }
+    });
+    
+    // Layout neu anwenden, wenn nötig
+    if (!node.x || !node.y) {
+      cy.layout({ name: 'breadthfirst', directed: true, padding: 30 }).run();
+    }
+  });
+  
+  socket.on('node_updated', (node) => {
+    const cyNode = cy.$id(node.id.toString());
+    if (cyNode.length > 0) {
+      // Kategorie-Informationen für Styling abrufen
+      const category = categories.find(c => c.id === node.category_id) || {};
+      
+      cyNode.data({
+        name: node.name,
+        description: node.description,
+        color: node.color_code || category.color_code || '#6b7280',
+        icon: node.icon || category.icon,
+        category_id: node.category_id
+      });
+      
+      if (node.x && node.y) {
+        cyNode.position({ x: node.x, y: node.y });
+      }
+    }
+  });
+  
+  socket.on('node_deleted', (nodeId) => {
+    const cyNode = cy.$id(nodeId.toString());
+    if (cyNode.length > 0) {
+      cy.remove(cyNode);
+    }
+  });
+  
+  socket.on('relationship_added', (rel) => {
+    cy.add({
+      data: {
+        id: `${rel.parent_id}_${rel.child_id}`,
+        source: rel.parent_id.toString(),
+        target: rel.child_id.toString()
+      }
+    });
+  });
+  
+  socket.on('relationship_deleted', (rel) => {
+    const edgeId = `${rel.parent_id}_${rel.child_id}`;
+    const cyEdge = cy.$id(edgeId);
+    if (cyEdge.length > 0) {
+      cy.remove(cyEdge);
+    }
+  });
+  
+  socket.on('category_updated', async () => {
+    // Kategorien neu laden
+    categories = await get('/api/categories');
+    // Nodes aktualisieren, die diese Kategorie verwenden
+    cy.nodes().forEach(node => {
+      const categoryId = node.data('category_id');
+      if (categoryId) {
+        const category = categories.find(c => c.id === categoryId);
+        if (category) {
+          node.data('color', node.data('color_code') || category.color_code);
+          node.data('icon', node.data('icon') || category.icon);
+        }
+      }
+    });
+  });
+
+  /* 6. UI-Interaktionen */
+  // Knoten hinzufügen
+  const btnAddNode = document.getElementById('addNode');
+  if (btnAddNode) {
+    btnAddNode.addEventListener('click', async () => {
+      const name = prompt('Knotenname eingeben:');
+      if (!name) return;
+      
+      const description = prompt('Beschreibung (optional):');
+      
+      // Kategorie auswählen
+      let categoryId = null;
+      if (categories.length > 0) {
+        const categoryOptions = categories.map((c, i) => `${i}: ${c.name}`).join('\n');
+        const categoryChoice = prompt(
+          `Kategorie auswählen (Nummer eingeben):\n${categoryOptions}`,
+          '0'
+        );
+        
+        if (categoryChoice !== null) {
+          const index = parseInt(categoryChoice, 10);
+          if (!isNaN(index) && index >= 0 && index < categories.length) {
+            categoryId = categories[index].id;
+          }
+        }
+      }
+      
+      // Knoten erstellen
+      await post('/api/mind_map_node', { 
+        name, 
+        description,
+        category_id: categoryId
+      });
+      // Darstellung wird durch Socket.IO Event übernommen
+    });
+  }
+  
+  // Verbindung hinzufügen
+  const btnAddEdge = document.getElementById('addEdge');
+  if (btnAddEdge) {
+    btnAddEdge.addEventListener('click', async () => {
+      const sel = cy.$('node:selected');
+      if (sel.length !== 2) {
+        alert('Bitte genau zwei Knoten auswählen (Parent → Child)');
+        return;
+      }
+      
+      const [parent, child] = sel.map(node => node.id());
+      await post('/api/node_relationship', { 
+        parent_id: parent, 
+        child_id: child 
+      });
+      // Darstellung wird durch Socket.IO Event übernommen
+    });
+  }
+  
+  // Knoten bearbeiten
+  const btnEditNode = document.getElementById('editNode');
+  if (btnEditNode) {
+    btnEditNode.addEventListener('click', async () => {
+      const sel = cy.$('node:selected');
+      if (sel.length !== 1) {
+        alert('Bitte genau einen Knoten auswählen');
+        return;
+      }
+      
+      const node = sel[0];
+      const nodeData = node.data();
+      
+      const name = prompt('Knotenname:', nodeData.name);
+      if (!name) return;
+      
+      const description = prompt('Beschreibung:', nodeData.description || '');
+      
+      // Kategorie auswählen
+      let categoryId = nodeData.category_id;
+      if (categories.length > 0) {
+        const categoryOptions = categories.map((c, i) => `${i}: ${c.name}`).join('\n');
+        const categoryChoice = prompt(
+          `Kategorie auswählen (Nummer eingeben):\n${categoryOptions}`,
+          categories.findIndex(c => c.id === categoryId).toString()
+        );
+        
+        if (categoryChoice !== null) {
+          const index = parseInt(categoryChoice, 10);
+          if (!isNaN(index) && index >= 0 && index < categories.length) {
+            categoryId = categories[index].id;
+          }
+        }
+      }
+      
+      // Knoten aktualisieren
+      await post(`/api/mind_map_node/${nodeData.id}`, { 
+        name, 
+        description,
+        category_id: categoryId
+      });
+      // Darstellung wird durch Socket.IO Event übernommen
+    });
+  }
+  
+  // Knoten löschen
+  const btnDeleteNode = document.getElementById('deleteNode');
+  if (btnDeleteNode) {
+    btnDeleteNode.addEventListener('click', async () => {
+      const sel = cy.$('node:selected');
+      if (sel.length !== 1) {
+        alert('Bitte genau einen Knoten auswählen');
+        return;
+      }
+      
+      if (confirm('Sind Sie sicher, dass Sie diesen Knoten löschen möchten?')) {
+        const nodeId = sel[0].id();
+        await del(`/api/mind_map_node/${nodeId}`);
+        // Darstellung wird durch Socket.IO Event übernommen
+      }
+    });
+  }
+  
+  // Verbindung löschen
+  const btnDeleteEdge = document.getElementById('deleteEdge');
+  if (btnDeleteEdge) {
+    btnDeleteEdge.addEventListener('click', async () => {
+      const sel = cy.$('edge:selected');
+      if (sel.length !== 1) {
+        alert('Bitte genau eine Verbindung auswählen');
+        return;
+      }
+      
+      if (confirm('Sind Sie sicher, dass Sie diese Verbindung löschen möchten?')) {
+        const edge = sel[0];
+        const parentId = edge.source().id();
+        const childId = edge.target().id();
+        
+        await del(`/api/node_relationship/${parentId}/${childId}`);
+        // Darstellung wird durch Socket.IO Event übernommen
+      }
+    });
+  }
+  
+  // Layout aktualisieren
+  const btnReLayout = document.getElementById('reLayout');
+  if (btnReLayout) {
+    btnReLayout.addEventListener('click', () => {
+      cy.layout({ 
+        name: 'breadthfirst', 
+        directed: true, 
+        padding: 30,
+        spacingFactor: 1.2
+      }).run();
+    });
+  }
+
+  /* 7. Position speichern bei Drag & Drop */
+  cy.on('dragfree', 'node', async (e) => {
+    const node = e.target;
+    const position = node.position();
+    
+    await post(`/api/mind_map_node/${node.id()}/position`, {
+      x: Math.round(position.x),
+      y: Math.round(position.y)
+    });
+    
+    // Andere Benutzer erhalten die Position über den node_updated Event
+  });
+
+  /* 8. Kontextmenü (optional) */
+  const setupContextMenu = () => {
+    cy.on('cxttap', 'node', function(e) {
+      const node = e.target;
+      const nodeData = node.data();
+      
+      // Position des Kontextmenüs berechnen
+      const renderedPosition = node.renderedPosition();
+      const containerRect = cy.container().getBoundingClientRect();
+      const menuX = containerRect.left + renderedPosition.x;
+      const menuY = containerRect.top + renderedPosition.y;
+      
+      // Kontextmenü erstellen oder aktualisieren
+      let contextMenu = document.getElementById('context-menu');
+      if (!contextMenu) {
+        contextMenu = document.createElement('div');
+        contextMenu.id = 'context-menu';
+        contextMenu.style.position = 'absolute';
+        contextMenu.style.backgroundColor = '#fff';
+        contextMenu.style.border = '1px solid #ccc';
+        contextMenu.style.borderRadius = '4px';
+        contextMenu.style.padding = '5px 0';
+        contextMenu.style.boxShadow = '0 2px 10px rgba(0,0,0,0.2)';
+        contextMenu.style.zIndex = 1000;
+        document.body.appendChild(contextMenu);
+      }
+      
+      // Menüinhalte
+      contextMenu.innerHTML = `
+        <div class="menu-item" data-action="edit">Knoten bearbeiten</div>
+        <div class="menu-item" data-action="connect">Verbindung erstellen</div>
+        <div class="menu-item" data-action="delete">Knoten löschen</div>
+      `;
+      
+      // Styling für Menüpunkte
+      const menuItems = contextMenu.querySelectorAll('.menu-item');
+      menuItems.forEach(item => {
+        item.style.padding = '8px 20px';
+        item.style.cursor = 'pointer';
+        item.style.fontSize = '14px';
+        
+        item.addEventListener('mouseover', function() {
+          this.style.backgroundColor = '#f0f0f0';
+        });
+        
+        item.addEventListener('mouseout', function() {
+          this.style.backgroundColor = 'transparent';
+        });
+        
+        // Event-Handler
+        item.addEventListener('click', async function() {
+          const action = this.getAttribute('data-action');
+          
+          switch(action) {
+            case 'edit':
+              // Knoten bearbeiten (gleiche Logik wie beim Edit-Button)
+              const name = prompt('Knotenname:', nodeData.name);
+              if (name) {
+                const description = prompt('Beschreibung:', nodeData.description || '');
+                await post(`/api/mind_map_node/${nodeData.id}`, { name, description });
+              }
+              break;
+              
+            case 'connect':
+              // Modus zum Verbinden aktivieren
+              cy.nodes().unselect();
+              node.select();
+              alert('Wählen Sie nun einen zweiten Knoten aus, um eine Verbindung zu erstellen');
+              break;
+              
+            case 'delete':
+              if (confirm('Sind Sie sicher, dass Sie diesen Knoten löschen möchten?')) {
+                await del(`/api/mind_map_node/${nodeData.id}`);
+              }
+              break;
+          }
+          
+          // Menü schließen
+          contextMenu.style.display = 'none';
+        });
+      });
+      
+      // Menü positionieren und anzeigen
+      contextMenu.style.left = menuX + 'px';
+      contextMenu.style.top = menuY + 'px';
+      contextMenu.style.display = 'block';
+      
+      // Event-Listener zum Schließen des Menüs
+      const closeMenu = function() {
+        if (contextMenu) {
+          contextMenu.style.display = 'none';
+        }
+        document.removeEventListener('click', closeMenu);
+      };
+      
+      // Verzögerung, um den aktuellen Click nicht zu erfassen
+      setTimeout(() => {
+        document.addEventListener('click', closeMenu);
+      }, 0);
+      
+      e.preventDefault();
+    });
+  };
+  
+  // Kontextmenü aktivieren (optional)
+  // setupContextMenu();
+
+  /* 9. Export-Funktion (optional) */
+  const btnExport = document.getElementById('exportMindmap');
+  if (btnExport) {
+    btnExport.addEventListener('click', () => {
+      const elements = cy.json().elements;
+      const exportData = {
+        nodes: elements.nodes.map(n => ({
+          id: n.data.id,
+          name: n.data.name,
+          description: n.data.description,
+          category_id: n.data.category_id,
+          x: Math.round(n.position?.x || 0),
+          y: Math.round(n.position?.y || 0)
+        })),
+        relationships: elements.edges.map(e => ({
+          parent_id: e.data.source,
+          child_id: e.data.target
+        }))
+      };
+      
+      const blob = new Blob([JSON.stringify(exportData, null, 2)], {type: 'application/json'});
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = 'mindmap_export.json';
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
+    });
+  }
+
+  /* 10. Filter-Funktion nach Kategorien (optional) */
+  const setupCategoryFilters = () => {
+    const filterContainer = document.getElementById('category-filters');
+    if (!filterContainer || !categories.length) return;
+    
+    filterContainer.innerHTML = '';
+    
+    // "Alle anzeigen" Option
+    const allBtn = document.createElement('button');
+    allBtn.innerText = 'Alle Kategorien';
+    allBtn.className = 'category-filter active';
+    allBtn.onclick = () => {
+      document.querySelectorAll('.category-filter').forEach(btn => btn.classList.remove('active'));
+      allBtn.classList.add('active');
+      cy.nodes().removeClass('filtered').show();
+      cy.edges().show();
+    };
+    filterContainer.appendChild(allBtn);
+    
+    // Filter-Button pro Kategorie
+    categories.forEach(category => {
+      const btn = document.createElement('button');
+      btn.innerText = category.name;
+      btn.className = 'category-filter';
+      btn.style.backgroundColor = category.color_code;
+      btn.style.color = '#fff';
+      btn.onclick = () => {
+        document.querySelectorAll('.category-filter').forEach(btn => btn.classList.remove('active'));
+        btn.classList.add('active');
+        
+        const matchingNodes = cy.nodes().filter(node => node.data('category_id') === category.id);
+        cy.nodes().addClass('filtered').hide();
+        matchingNodes.removeClass('filtered').show();
+        
+        // Verbindungen zu/von diesen Knoten anzeigen
+        cy.edges().hide();
+        matchingNodes.connectedEdges().show();
+      };
+      filterContainer.appendChild(btn);
+    });
+  };
+  
+  // Filter-Funktionalität aktivieren (optional)
+  // setupCategoryFilters();
+
+  /* 11. Suchfunktion (optional) */
+  const searchInput = document.getElementById('search-mindmap');
+  if (searchInput) {
+    searchInput.addEventListener('input', (e) => {
+      const searchTerm = e.target.value.toLowerCase();
+      
+      if (!searchTerm) {
+        cy.nodes().removeClass('search-hidden').show();
+        cy.edges().show();
+        return;
+      }
+      
+      cy.nodes().forEach(node => {
+        const name = node.data('name').toLowerCase();
+        const description = (node.data('description') || '').toLowerCase();
+        
+        if (name.includes(searchTerm) || description.includes(searchTerm)) {
+          node.removeClass('search-hidden').show();
+          node.connectedEdges().show();
+        } else {
+          node.addClass('search-hidden').hide();
+          // Kanten nur verstecken, wenn beide verbundenen Knoten versteckt sind
+          node.connectedEdges().forEach(edge => {
+            const otherNode = edge.source().id() === node.id() ? edge.target() : edge.source();
+            if (otherNode.hasClass('search-hidden')) {
+              edge.hide();
+            }
+          });
+        }
+      });
+    });
+  }
+
+  console.log('Mindmap erfolgreich initialisiert');
+})(); 

static/js/modules/chatgpt-assistant.js

@@ -247,63 +247,130 @@ class ChatGPTAssistant {
         
         const bubble = document.createElement('div');
         bubble.className = sender === 'user' 
-            ? 'user-message rounded-lg py-2 px-3 max-w-[85%]'
-            : 'assistant-message rounded-lg py-2 px-3 max-w-[85%]';
-            
-        // Nachrichtentext einfügen, falls Markdown-Parser verfügbar, nutzen
-        if (this.markdownParser) {
-            bubble.innerHTML = this.markdownParser.parse(text);
+            ? 'bg-primary-100 dark:bg-primary-900 text-gray-800 dark:text-white rounded-lg py-2 px-3 max-w-[85%]'
+            : 'bg-gray-100 dark:bg-dark-700 text-gray-800 dark:text-white rounded-lg py-2 px-3 max-w-[85%]';
+        
+        // Formatierung des Texts (mit Markdown für Assistent-Nachrichten)
+        let formattedText = '';
+        
+        if (sender === 'assistant' && this.markdownParser) {
+            // Für Assistentnachrichten Markdown verwenden
+            try {
+                formattedText = this.markdownParser.parse(text);
+                
+                // CSS für Markdown-Formatierung hinzufügen
+                const markdownStyles = `
+                    .markdown-bubble h1, .markdown-bubble h2, .markdown-bubble h3, 
+                    .markdown-bubble h4, .markdown-bubble h5, .markdown-bubble h6 {
+                        font-weight: bold;
+                        margin-top: 0.5rem;
+                        margin-bottom: 0.5rem;
+                    }
+                    .markdown-bubble h1 { font-size: 1.4rem; }
+                    .markdown-bubble h2 { font-size: 1.3rem; }
+                    .markdown-bubble h3 { font-size: 1.2rem; }
+                    .markdown-bubble h4 { font-size: 1.1rem; }
+                    .markdown-bubble ul, .markdown-bubble ol {
+                        padding-left: 1.5rem;
+                        margin: 0.5rem 0;
+                    }
+                    .markdown-bubble ul { list-style-type: disc; }
+                    .markdown-bubble ol { list-style-type: decimal; }
+                    .markdown-bubble p { margin: 0.5rem 0; }
+                    .markdown-bubble code {
+                        font-family: monospace;
+                        background-color: rgba(0, 0, 0, 0.1);
+                        padding: 1px 4px;
+                        border-radius: 3px;
+                    }
+                    .markdown-bubble pre {
+                        background-color: rgba(0, 0, 0, 0.1);
+                        padding: 0.5rem;
+                        border-radius: 4px;
+                        overflow-x: auto;
+                        margin: 0.5rem 0;
+                    }
+                    .markdown-bubble pre code {
+                        background-color: transparent;
+                        padding: 0;
+                    }
+                    .markdown-bubble blockquote {
+                        border-left: 3px solid rgba(0, 0, 0, 0.2);
+                        padding-left: 0.8rem;
+                        margin: 0.5rem 0;
+                        font-style: italic;
+                    }
+                    .dark .markdown-bubble code {
+                        background-color: rgba(255, 255, 255, 0.1);
+                    }
+                    .dark .markdown-bubble pre {
+                        background-color: rgba(255, 255, 255, 0.1);
+                    }
+                    .dark .markdown-bubble blockquote {
+                        border-left-color: rgba(255, 255, 255, 0.2);
+                    }
+                `;
+                
+                // Füge die Styles hinzu, wenn sie noch nicht vorhanden sind
+                if (!document.querySelector('#markdown-chat-styles')) {
+                    const style = document.createElement('style');
+                    style.id = 'markdown-chat-styles';
+                    style.textContent = markdownStyles;
+                    document.head.appendChild(style);
+                }
+                
+                // Klasse für Markdown-Formatierung hinzufügen
+                bubble.classList.add('markdown-bubble');
+            } catch (error) {
+                console.error('Fehler bei der Markdown-Formatierung:', error);
+                // Fallback zur einfachen Formatierung
+                formattedText = text.split('\n').map(line => {
+                    if (line.trim() === '') return '<br>';
+                    return `<p>${line}</p>`;
+                }).join('');
+            }
         } else {
-            bubble.textContent = text;
+            // Für Benutzernachrichten einfache Formatierung
+            formattedText = text.split('\n').map(line => {
+                if (line.trim() === '') return '<br>';
+                return `<p>${line}</p>`;
+            }).join('');
         }
         
-        // Links in der Nachricht klickbar machen
-        const links = bubble.querySelectorAll('a');
-        links.forEach(link => {
-            link.target = '_blank';
-            link.rel = 'noopener noreferrer';
-            link.className = 'text-primary-600 dark:text-primary-400 underline';
-        });
-        
-        // Code-Blöcke stylen
-        const codeBlocks = bubble.querySelectorAll('pre');
-        codeBlocks.forEach(block => {
-            block.className = 'bg-gray-100 dark:bg-dark-900 p-2 rounded my-2 overflow-x-auto';
-        });
-        
-        const inlineCode = bubble.querySelectorAll('code:not(pre code)');
-        inlineCode.forEach(code => {
-            code.className = 'bg-gray-100 dark:bg-dark-900 px-1 rounded font-mono text-sm';
-        });
+        bubble.innerHTML = formattedText;
         
         messageEl.appendChild(bubble);
-        this.chatHistory.appendChild(messageEl);
         
-        // Scrolle zum Ende des Chat-Verlaufs
-        this.chatHistory.scrollTop = this.chatHistory.scrollHeight;
+        if (this.chatHistory) {
+            this.chatHistory.appendChild(messageEl);
+            
+            // Scroll zum Ende des Verlaufs
+            this.chatHistory.scrollTop = this.chatHistory.scrollHeight;
+        }
     }
 
     /**
-     * Zeigt Vorschläge für mögliche Fragen an
-     * @param {Array} suggestions - Array von Vorschlägen
+     * Zeigt Vorschläge als klickbare Pills an
+     * @param {string[]} suggestions - Liste von Vorschlägen
      */
     showSuggestions(suggestions) {
-        if (!this.suggestionArea || !suggestions || !suggestions.length) return;
+        if (!this.suggestionArea) return;
         
         // Vorherige Vorschläge entfernen
         this.suggestionArea.innerHTML = '';
         
-        // Neue Vorschläge hinzufügen
-        suggestions.forEach((text, index) => {
-            const pill = document.createElement('button');
-            pill.className = 'suggestion-pill text-sm px-3 py-1.5 rounded-full bg-primary-100 dark:bg-primary-900 text-primary-800 dark:text-primary-200 hover:bg-primary-200 dark:hover:bg-primary-800 transition-all duration-200';
-            pill.style.animationDelay = `${index * 0.1}s`;
-            pill.textContent = text;
-            this.suggestionArea.appendChild(pill);
-        });
-        
-        // Vorschlagsbereich anzeigen
-        this.suggestionArea.classList.remove('hidden');
+        if (suggestions && suggestions.length > 0) {
+            suggestions.forEach(suggestion => {
+                const pill = document.createElement('button');
+                pill.className = 'suggestion-pill text-sm bg-gray-200 dark:bg-dark-600 hover:bg-gray-300 dark:hover:bg-dark-500 text-gray-800 dark:text-gray-200 rounded-full px-3 py-1 mb-2 transition-colors';
+                pill.textContent = suggestion;
+                this.suggestionArea.appendChild(pill);
+            });
+            
+            this.suggestionArea.classList.remove('hidden');
+        } else {
+            this.suggestionArea.classList.add('hidden');
+        }
     }
 
     /**
@@ -342,27 +409,14 @@ class ChatGPTAssistant {
                     messages: this.messages
                 }),
                 cache: 'no-cache', // Kein Cache verwenden
-                credentials: 'same-origin', // Cookies senden
-                timeout: 60000 // 60 Sekunden Timeout
+                credentials: 'same-origin' // Cookies senden
             });
             
             // Ladeindikator entfernen
             this.removeLoadingIndicator();
             
             if (!response.ok) {
-                const errorText = await response.text();
-                let errorMessage;
-                
-                try {
-                    // Versuche, die Fehlermeldung zu parsen
-                    const errorData = JSON.parse(errorText);
-                    errorMessage = errorData.error || `Serverfehler: ${response.status} ${response.statusText}`;
-                } catch {
-                    // Bei Parsing-Fehler verwende Standardfehlermeldung
-                    errorMessage = `Serverfehler: ${response.status} ${response.statusText}`;
-                }
-                
-                throw new Error(errorMessage);
+                throw new Error(`Serverfehler: ${response.status} ${response.statusText}`);
             }
             
             const data = await response.json();
@@ -388,45 +442,24 @@ class ChatGPTAssistant {
             // Ladeindikator entfernen, falls noch vorhanden
             this.removeLoadingIndicator();
             
-            // Spezielle Fehlermeldungen für bestimmte Fehlertypen
-            const errorMessage = error.message || '';
-            let userFriendlyMessage = 'Es gab ein Problem mit der Anfrage.';
-            
-            if (errorMessage.includes('timeout') || errorMessage.includes('Zeitüberschreitung')) {
-                userFriendlyMessage = 'Die Antwort hat zu lange gedauert. Der Server ist möglicherweise überlastet.';
-            } else if (errorMessage.includes('500') || errorMessage.includes('Internal Server Error')) {
-                userFriendlyMessage = 'Ein Serverfehler ist aufgetreten. Wir arbeiten an einer Lösung.';
-            } else if (errorMessage.includes('429') || errorMessage.includes('rate limit')) {
-                userFriendlyMessage = 'Die API-Anfragelimits wurden erreicht. Bitte warte einen Moment.';
-            }
-            
             // Fehlermeldung anzeigen oder Wiederholungsversuch starten
             if (this.retryCount < this.maxRetries) {
                 this.retryCount++;
-                this.addMessage('assistant', `${userFriendlyMessage} Ich versuche es erneut... (Versuch ${this.retryCount}/${this.maxRetries})`);
+                this.addMessage('assistant', 'Es gab ein Problem mit der Anfrage. Ich versuche es erneut...');
                 
-                // Letzte Benutzernachricht speichern für den Wiederholungsversuch
-                const lastUserMessageIndex = this.messages.findLastIndex(msg => msg.role === 'user');
-                if (lastUserMessageIndex >= 0) {
-                    const lastUserMessage = this.messages[lastUserMessageIndex].content;
+                // Kurze Verzögerung vor dem erneuten Versuch
+                setTimeout(() => {
+                    // Letzte Benutzernachricht aus dem Messages-Array entfernen
+                    const lastUserMessage = this.messages[this.messages.length - 2].content;
+                    this.messages = this.messages.slice(0, -2); // Entferne Benutzernachricht und Fehlermeldung
                     
-                    // Kurze Verzögerung vor dem erneuten Versuch mit exponentieller Backoff-Strategie
-                    const retryDelay = 1500 * Math.pow(2, this.retryCount - 1); // 1.5s, 3s, 6s, ...
-                    
-                    setTimeout(() => {
-                        // Entferne Fehlermeldung aus dem Messages-Array, behalte aber die Benutzernachricht
-                        this.messages = this.messages.filter(msg => 
-                            !(msg.role === 'assistant' && msg.content.includes('versuche es erneut'))
-                        );
-                        
-                        // Erneuter Versand mit gleicher Nachricht
-                        this.inputField.value = lastUserMessage;
-                        this.sendMessage();
-                    }, retryDelay);
-                }
+                    // Erneuter Versand mit gleicher Nachricht
+                    this.inputField.value = lastUserMessage;
+                    this.sendMessage();
+                }, 1500);
             } else {
                 // Maximale Anzahl an Wiederholungsversuchen erreicht
-                this.addMessage('assistant', 'Es tut mir leid, aber es gab ein Problem bei der Verarbeitung deiner Anfrage. Bitte versuche es später noch einmal oder kontaktiere den Support, falls das Problem weiterhin besteht.');
+                this.addMessage('assistant', 'Es tut mir leid, aber es gab ein Problem bei der Verarbeitung deiner Anfrage. Bitte versuche es später noch einmal.');
                 this.retryCount = 0; // Zurücksetzen für die nächste Anfrage
             }
         } finally {
@@ -479,33 +512,26 @@ class ChatGPTAssistant {
     }
 
     /**
-     * Zeigt eine Ladeanimation an
+     * Zeigt einen Ladeindikator im Chat an
      */
     showLoadingIndicator() {
         if (!this.chatHistory) return;
         
-        // Prüfen, ob bereits ein Ladeindikator angezeigt wird
-        if (document.getElementById('assistant-loading-indicator')) return;
+        // Entferne vorhandenen Ladeindikator (falls vorhanden)
+        this.removeLoadingIndicator();
         
         const loadingEl = document.createElement('div');
+        loadingEl.id = 'assistant-loading';
         loadingEl.className = 'flex justify-start';
-        loadingEl.id = 'assistant-loading-indicator';
         
         const bubble = document.createElement('div');
-        bubble.className = 'assistant-message rounded-lg py-3 px-4 max-w-[85%] flex items-center';
+        bubble.className = 'bg-gray-100 dark:bg-dark-700 text-gray-800 dark:text-white rounded-lg py-2 px-3';
+        bubble.innerHTML = '<div class="typing-indicator"><span></span><span></span><span></span></div>';
         
-        const typingIndicator = document.createElement('div');
-        typingIndicator.className = 'typing-indicator';
-        typingIndicator.innerHTML = `
-            <span></span>
-            <span></span>
-            <span></span>
-        `;
-        
-        bubble.appendChild(typingIndicator);
         loadingEl.appendChild(bubble);
-        
         this.chatHistory.appendChild(loadingEl);
+        
+        // Scroll zum Ende des Verlaufs
         this.chatHistory.scrollTop = this.chatHistory.scrollHeight;
     }
 
@@ -513,7 +539,7 @@ class ChatGPTAssistant {
      * Entfernt den Ladeindikator aus dem Chat
      */
     removeLoadingIndicator() {
-        const loadingIndicator = document.getElementById('assistant-loading-indicator');
+        const loadingIndicator = document.getElementById('assistant-loading');
         if (loadingIndicator) {
             loadingIndicator.remove();
         }

static/js/modules/mindmap.js

@@ -0,0 +1,844 @@
+/**
+ * MindMap D3.js Modul
+ * Visualisiert die Mindmap mit D3.js
+ */
+
+class MindMapVisualization {
+  constructor(containerSelector, options = {}) {
+    this.containerSelector = containerSelector;
+    this.container = d3.select(containerSelector);
+    this.width = options.width || this.container.node().clientWidth || 800;
+    this.height = options.height || 600;
+    this.nodeRadius = options.nodeRadius || 14;
+    this.selectedNodeRadius = options.selectedNodeRadius || 20;
+    this.linkDistance = options.linkDistance || 150;
+    this.chargeStrength = options.chargeStrength || -900;
+    this.centerForce = options.centerForce || 0.15;
+    this.onNodeClick = options.onNodeClick || ((node) => console.log('Node clicked:', node));
+
+    this.nodes = [];
+    this.links = [];
+    this.simulation = null;
+    this.svg = null;
+    this.linkElements = null;
+    this.nodeElements = null;
+    this.textElements = null;
+    this.tooltipEnabled = options.tooltipEnabled !== undefined ? options.tooltipEnabled : true;
+    
+    this.mouseoverNode = null;
+    this.selectedNode = null;
+    
+    this.zoomFactor = 1;
+    this.tooltipDiv = null;
+    this.isLoading = true;
+    
+    // Lade die gemerkten Knoten
+    this.bookmarkedNodes = this.loadBookmarkedNodes();
+    
+    // Sicherstellen, dass der Container bereit ist
+    if (this.container.node()) {
+      this.init();
+      this.setupDefaultNodes();
+      
+      // Sofortige Datenladung
+      window.setTimeout(() => {
+        this.loadData();
+      }, 100);
+    } else {
+      console.error('Mindmap-Container nicht gefunden:', containerSelector);
+    }
+  }
+  
+  // Standardknoten als Fallback einrichten, falls die API nicht reagiert
+  setupDefaultNodes() {
+    // Basis-Mindmap mit Hauptthemen
+    const defaultNodes = [
+      { id: "root", name: "Wissen", description: "Zentrale Wissensbasis", thought_count: 0 },
+      { id: "philosophy", name: "Philosophie", description: "Philosophisches Denken", thought_count: 0 },
+      { id: "science", name: "Wissenschaft", description: "Wissenschaftliche Erkenntnisse", thought_count: 0 },
+      { id: "technology", name: "Technologie", description: "Technologische Entwicklungen", thought_count: 0 },
+      { id: "arts", name: "Künste", description: "Künstlerische Ausdrucksformen", thought_count: 0 }
+    ];
+    
+    const defaultLinks = [
+      { source: "root", target: "philosophy" },
+      { source: "root", target: "science" },
+      { source: "root", target: "technology" },
+      { source: "root", target: "arts" }
+    ];
+    
+    // Als Fallback verwenden, falls die API fehlschlägt
+    this.defaultNodes = defaultNodes;
+    this.defaultLinks = defaultLinks;
+  }
+  
+  init() {
+    // SVG erstellen, wenn noch nicht vorhanden
+    if (!this.svg) {
+      // Container zuerst leeren
+      this.container.html('');
+      
+      this.svg = this.container
+        .append('svg')
+        .attr('width', '100%')
+        .attr('height', this.height)
+        .attr('viewBox', `0 0 ${this.width} ${this.height}`)
+        .attr('class', 'mindmap-svg')
+        .call(
+          d3.zoom()
+            .scaleExtent([0.1, 5])
+            .on('zoom', (event) => {
+              this.handleZoom(event.transform);
+            })
+        );
+      
+      // Hauptgruppe für alles, was zoom-transformierbar ist
+      this.g = this.svg.append('g');
+      
+      // Tooltip initialisieren
+      if (!d3.select('body').select('.node-tooltip').size()) {
+        this.tooltipDiv = d3.select('body')
+          .append('div')
+          .attr('class', 'node-tooltip')
+          .style('opacity', 0)
+          .style('position', 'absolute')
+          .style('pointer-events', 'none')
+          .style('background', 'rgba(20, 20, 40, 0.9)')
+          .style('color', '#ffffff')
+          .style('border', '1px solid rgba(160, 80, 255, 0.2)')
+          .style('border-radius', '6px')
+          .style('padding', '8px 12px')
+          .style('font-size', '14px')
+          .style('max-width', '250px')
+          .style('box-shadow', '0 10px 25px rgba(0, 0, 0, 0.5), 0 0 10px rgba(160, 80, 255, 0.2)');
+      } else {
+        this.tooltipDiv = d3.select('body').select('.node-tooltip');
+      }
+    }
+    
+    // Force-Simulation initialisieren
+    this.simulation = d3.forceSimulation()
+      .force('link', d3.forceLink().id(d => d.id).distance(this.linkDistance))
+      .force('charge', d3.forceManyBody().strength(this.chargeStrength))
+      .force('center', d3.forceCenter(this.width / 2, this.height / 2).strength(this.centerForce))
+      .force('collision', d3.forceCollide().radius(this.nodeRadius * 2));
+      
+    // Globale Mindmap-Instanz für externe Zugriffe setzen
+    window.mindmapInstance = this;
+  }
+  
+  handleZoom(transform) {
+    this.g.attr('transform', transform);
+    this.zoomFactor = transform.k;
+    
+    // Knotengröße anpassen, um bei Zoom lesbar zu bleiben
+    if (this.nodeElements) {
+      this.nodeElements
+        .attr('r', d => (d === this.selectedNode ? this.selectedNodeRadius : this.nodeRadius) / Math.sqrt(transform.k));
+    }
+    
+    // Textgröße anpassen
+    if (this.textElements) {
+      this.textElements
+        .style('font-size', `${12 / Math.sqrt(transform.k)}px`);
+    }
+  }
+  
+  async loadData() {
+    try {
+      // Ladeindikator anzeigen
+      this.showLoading();
+      
+      // Verwende sofort die Standarddaten für eine schnelle erste Anzeige
+      this.nodes = [...this.defaultNodes];
+      this.links = [...this.defaultLinks];
+      
+      // Visualisierung sofort aktualisieren
+      this.isLoading = false;
+      this.updateVisualization();
+      
+      // Status auf bereit setzen - don't wait for API
+      this.container.attr('data-status', 'ready');
+      
+      // API-Aufruf mit kürzerem Timeout im Hintergrund durchführen
+      try {
+        const controller = new AbortController();
+        const timeoutId = setTimeout(() => controller.abort(), 5000); // 5 Sekunden Timeout
+        
+        const response = await fetch('/api/mindmap', { 
+          signal: controller.signal,
+          headers: {
+            'Cache-Control': 'no-cache', 
+            'Pragma': 'no-cache'
+          }
+        });
+        clearTimeout(timeoutId);
+        
+        if (!response.ok) {
+          console.warn(`HTTP Fehler: ${response.status}, versuche erneute Verbindung`);
+          
+          // Bei Verbindungsfehler versuchen, die Verbindung neu herzustellen
+          const retryResponse = await fetch('/api/refresh-mindmap', {
+            headers: {
+              'Cache-Control': 'no-cache', 
+              'Pragma': 'no-cache'
+            }
+          });
+          
+          if (!retryResponse.ok) {
+            throw new Error(`Retry failed with status: ${retryResponse.status}`);
+          }
+          
+          const retryData = await retryResponse.json();
+          
+          if (!retryData.success || !retryData.nodes || retryData.nodes.length === 0) {
+            console.warn('Keine Mindmap-Daten nach Neuversuch, verwende weiterhin Standard-Daten.');
+            return; // Keep using default data
+          }
+          
+          // Flache Liste von Knoten und Verbindungen erstellen
+          this.nodes = [];
+          this.links = [];
+          
+          // Knoten direkt übernehmen
+          retryData.nodes.forEach(node => {
+            this.nodes.push({
+              id: node.id,
+              name: node.name,
+              description: node.description || '',
+              thought_count: node.thought_count || 0,
+              color: this.generateColorFromString(node.name),
+            });
+            
+            // Verbindungen hinzufügen
+            if (node.connections && node.connections.length > 0) {
+              node.connections.forEach(conn => {
+                this.links.push({
+                  source: node.id,
+                  target: conn.target
+                });
+              });
+            }
+          });
+          
+          // Visualisierung aktualisieren mit den tatsächlichen Daten
+          this.updateVisualization();
+          return;
+        }
+        
+        const data = await response.json();
+        
+        if (!data || !data.nodes || data.nodes.length === 0) {
+          console.warn('Keine Mindmap-Daten vorhanden, verwende weiterhin Standard-Daten.');
+          return; // Keep using default data
+        }
+        
+        // Flache Liste von Knoten und Verbindungen erstellen
+        this.nodes = [];
+        this.links = [];
+        this.processHierarchicalData(data.nodes);
+        
+        // Visualisierung aktualisieren mit den tatsächlichen Daten
+        this.updateVisualization();
+        
+      } catch (error) {
+        console.warn('Fehler beim Laden der Mindmap-Daten, verwende Standarddaten:', error);
+        // Already using default data, no action needed
+      }
+      
+    } catch (error) {
+      console.error('Kritischer Fehler bei der Mindmap-Darstellung:', error);
+      this.showError('Fehler beim Laden der Mindmap-Daten. Bitte laden Sie die Seite neu.');
+      this.container.attr('data-status', 'error');
+    }
+  }
+  
+  showLoading() {
+    // Element nur leeren, wenn es noch kein SVG enthält
+    if (!this.container.select('svg').size()) {
+      this.container.html(`
+        <div class="flex justify-center items-center h-full">
+          <div class="text-center">
+            <div class="animate-spin rounded-full h-16 w-16 border-t-2 border-b-2 border-primary-400 mx-auto mb-4"></div>
+            <p class="text-lg text-white">Mindmap wird geladen...</p>
+          </div>
+        </div>
+      `);
+    }
+  }
+  
+  processHierarchicalData(hierarchicalNodes, parentId = null) {
+    hierarchicalNodes.forEach(node => {
+      // Knoten hinzufügen, wenn noch nicht vorhanden
+      if (!this.nodes.find(n => n.id === node.id)) {
+        this.nodes.push({
+          id: node.id,
+          name: node.name,
+          description: node.description || '',
+          thought_count: node.thought_count || 0,
+          color: this.generateColorFromString(node.name),
+        });
+      }
+      
+      // Verbindung zum Elternknoten hinzufügen
+      if (parentId !== null) {
+        this.links.push({
+          source: parentId,
+          target: node.id
+        });
+      }
+      
+      // Rekursiv für Kindknoten aufrufen
+      if (node.children && node.children.length > 0) {
+        this.processHierarchicalData(node.children, node.id);
+      }
+    });
+  }
+  
+  generateColorFromString(str) {
+    // Erzeugt eine deterministische Farbe basierend auf dem String
+    let hash = 0;
+    for (let i = 0; i < str.length; i++) {
+      hash = str.charCodeAt(i) + ((hash << 5) - hash);
+    }
+    
+    // Verwende deterministische Farbe aus unserem Farbschema
+    const colors = [
+      '#4080ff', // primary-400
+      '#a040ff', // secondary-400
+      '#205cf5', // primary-500
+      '#8020f5', // secondary-500
+      '#1040e0', // primary-600
+      '#6010e0', // secondary-600
+    ];
+    
+    return colors[Math.abs(hash) % colors.length];
+  }
+  
+  updateVisualization() {
+    // Starte die Visualisierung nur, wenn nicht mehr im Ladezustand
+    if (this.isLoading) return;
+
+    // Container leeren, wenn Diagramm neu erstellt wird
+    if (!this.svg) {
+      this.container.html('');
+      this.init();
+    }
+
+    // Performance-Optimierung: Deaktiviere Transition während des Datenladens
+    const useTransitions = false;
+
+    // Links (Edges) erstellen
+    this.linkElements = this.g.selectAll('.link')
+      .data(this.links)
+      .join(
+        enter => enter.append('line')
+          .attr('class', 'link')
+          .attr('stroke', '#ffffff30')
+          .attr('stroke-width', 2)
+          .attr('stroke-dasharray', d => d.relation_type === 'contradicts' ? '5,5' : null)
+          .attr('marker-end', d => d.relation_type === 'builds_upon' ? 'url(#arrowhead)' : null),
+        update => update
+          .attr('stroke', '#ffffff30')
+          .attr('stroke-dasharray', d => d.relation_type === 'contradicts' ? '5,5' : null)
+          .attr('marker-end', d => d.relation_type === 'builds_upon' ? 'url(#arrowhead)' : null),
+        exit => exit.remove()
+      );
+    
+    // Pfeilspitze für gerichtete Beziehungen hinzufügen (falls noch nicht vorhanden)
+    if (!this.svg.select('defs').node()) {
+      const defs = this.svg.append('defs');
+      defs.append('marker')
+        .attr('id', 'arrowhead')
+        .attr('viewBox', '0 -5 10 10')
+        .attr('refX', 20)
+        .attr('refY', 0)
+        .attr('orient', 'auto')
+        .attr('markerWidth', 6)
+        .attr('markerHeight', 6)
+        .append('path')
+        .attr('d', 'M0,-5L10,0L0,5')
+        .attr('fill', '#ffffff50');
+    }
+    
+    // Simplified Effekte definieren, falls noch nicht vorhanden
+    if (!this.svg.select('#glow').node()) {
+      const defs = this.svg.select('defs').size() ? this.svg.select('defs') : this.svg.append('defs');
+      
+      // Glow-Effekt für Knoten
+      const filter = defs.append('filter')
+        .attr('id', 'glow')
+        .attr('x', '-50%')
+        .attr('y', '-50%')
+        .attr('width', '200%')
+        .attr('height', '200%');
+      
+      filter.append('feGaussianBlur')
+        .attr('stdDeviation', '1')
+        .attr('result', 'blur');
+        
+      filter.append('feComposite')
+        .attr('in', 'SourceGraphic')
+        .attr('in2', 'blur')
+        .attr('operator', 'over');
+      
+      // Blur-Effekt für Schatten
+      const blurFilter = defs.append('filter')
+        .attr('id', 'blur')
+        .attr('x', '-50%')
+        .attr('y', '-50%')
+        .attr('width', '200%')
+        .attr('height', '200%');
+      
+      blurFilter.append('feGaussianBlur')
+        .attr('stdDeviation', '1');
+    }
+    
+    // Knoten-Gruppe erstellen/aktualisieren
+    const nodeGroups = this.g.selectAll('.node-group')
+      .data(this.nodes)
+      .join(
+        enter => {
+          const group = enter.append('g')
+            .attr('class', 'node-group')
+            .call(d3.drag()
+              .on('start', (event, d) => this.dragStarted(event, d))
+              .on('drag', (event, d) => this.dragged(event, d))
+              .on('end', (event, d) => this.dragEnded(event, d)));
+          
+          // Hintergrundschatten für besseren Kontrast
+          group.append('circle')
+            .attr('class', 'node-shadow')
+            .attr('r', d => this.nodeRadius * 1.2)
+            .attr('fill', 'rgba(0, 0, 0, 0.3)')
+            .attr('filter', 'url(#blur)');
+          
+          // Kreis für jeden Knoten
+          group.append('circle')
+            .attr('class', d => `node ${this.isNodeBookmarked(d.id) ? 'bookmarked' : ''}`)
+            .attr('r', this.nodeRadius)
+            .attr('fill', d => d.color || this.generateColorFromString(d.name))
+            .attr('stroke', d => this.isNodeBookmarked(d.id) ? '#FFD700' : '#ffffff50')
+            .attr('stroke-width', d => this.isNodeBookmarked(d.id) ? 3 : 2)
+            .attr('filter', 'url(#glow)');
+          
+          // Text-Label mit besserem Kontrast
+          group.append('text')
+            .attr('class', 'node-label')
+            .attr('dy', '0.35em')
+            .attr('text-anchor', 'middle')
+            .attr('fill', '#ffffff')
+            .attr('stroke', 'rgba(0, 0, 0, 0.4)')
+            .attr('stroke-width', '0.7px')
+            .attr('paint-order', 'stroke')
+            .style('font-size', '12px')
+            .style('font-weight', '500')
+            .style('pointer-events', 'none')
+            .text(d => d.name.length > 12 ? d.name.slice(0, 10) + '...' : d.name);
+          
+          // Interaktivität hinzufügen
+          group
+            .on('mouseover', (event, d) => this.nodeMouseover(event, d))
+            .on('mouseout', (event, d) => this.nodeMouseout(event, d))
+            .on('click', (event, d) => this.nodeClicked(event, d));
+          
+          return group;
+        },
+        update => {
+          // Knoten aktualisieren
+          update.select('.node')
+            .attr('class', d => `node ${this.isNodeBookmarked(d.id) ? 'bookmarked' : ''}`)
+            .attr('fill', d => d.color || this.generateColorFromString(d.name))
+            .attr('stroke', d => this.isNodeBookmarked(d.id) ? '#FFD700' : '#ffffff50')
+            .attr('stroke-width', d => this.isNodeBookmarked(d.id) ? 3 : 2);
+          
+          // Text aktualisieren
+          update.select('.node-label')
+            .text(d => d.name.length > 12 ? d.name.slice(0, 10) + '...' : d.name);
+            
+          return update;
+        },
+        exit => exit.remove()
+      );
+    
+    // Einzelne Elemente für direkten Zugriff speichern
+    this.nodeElements = this.g.selectAll('.node');
+    this.textElements = this.g.selectAll('.node-label');
+    
+    // Performance-Optimierung: Weniger Simulationsschritte für schnellere Stabilisierung
+    this.simulation
+      .nodes(this.nodes)
+      .on('tick', () => this.ticked())
+      .alpha(0.3) // Reduzierter Wert für schnellere Stabilisierung
+      .alphaDecay(0.05); // Erhöhter Wert für schnellere Stabilisierung
+    
+    this.simulation.force('link')
+      .links(this.links);
+    
+    // Simulation neu starten
+    this.simulation.restart();
+
+    // Update connection counts
+    this.updateConnectionCounts();
+  }
+  
+  ticked() {
+    // Linienpositionen aktualisieren
+    this.linkElements
+      .attr('x1', d => d.source.x)
+      .attr('y1', d => d.source.y)
+      .attr('x2', d => d.target.x)
+      .attr('y2', d => d.target.y);
+    
+    // Knotenpositionen aktualisieren
+    this.g.selectAll('.node-group')
+      .attr('transform', d => `translate(${d.x}, ${d.y})`);
+  }
+  
+  dragStarted(event, d) {
+    if (!event.active) this.simulation.alphaTarget(0.3).restart();
+    d.fx = d.x;
+    d.fy = d.y;
+  }
+  
+  dragged(event, d) {
+    d.fx = event.x;
+    d.fy = event.y;
+  }
+  
+  dragEnded(event, d) {
+    if (!event.active) this.simulation.alphaTarget(0);
+    d.fx = null;
+    d.fy = null;
+  }
+  
+  nodeMouseover(event, d) {
+    this.mouseoverNode = d;
+    
+    // Tooltip anzeigen
+    if (this.tooltipEnabled) {
+      const isBookmarked = this.isNodeBookmarked(d.id);
+      const tooltipContent = `
+        <div class="p-2">
+          <strong>${d.name}</strong>
+          ${d.description ? `<p class="text-sm text-gray-200 mt-1">${d.description}</p>` : ''}
+          <div class="text-xs text-gray-300 mt-1">
+            Gedanken: ${d.thought_count}
+          </div>
+          <div class="mt-2">
+            <button id="bookmark-button" class="px-2 py-1 text-xs rounded bg-gray-700 hover:bg-gray-600 text-white" 
+                    data-nodeid="${d.id}">
+              ${isBookmarked ? '<i class="fas fa-bookmark mr-1"></i> Gemerkt' : '<i class="far fa-bookmark mr-1"></i> Merken'}
+            </button>
+          </div>
+        </div>
+      `;
+      
+      this.tooltipDiv
+        .html(tooltipContent)
+        .style('left', (event.pageX + 10) + 'px')
+        .style('top', (event.pageY - 10) + 'px')
+        .transition()
+        .duration(200)
+        .style('opacity', 1);
+      
+      // Event-Listener für den Bookmark-Button hinzufügen
+      document.getElementById('bookmark-button').addEventListener('click', (e) => {
+        e.stopPropagation();
+        const nodeId = e.currentTarget.getAttribute('data-nodeid');
+        const isNowBookmarked = this.toggleBookmark(nodeId);
+        
+        // Button-Text aktualisieren
+        if (isNowBookmarked) {
+          e.currentTarget.innerHTML = '<i class="fas fa-bookmark mr-1"></i> Gemerkt';
+        } else {
+          e.currentTarget.innerHTML = '<i class="far fa-bookmark mr-1"></i> Merken';
+        }
+      });
+    }
+    
+    // Knoten visuell hervorheben
+    d3.select(event.currentTarget).select('circle')
+      .transition()
+      .duration(200)
+      .attr('r', this.nodeRadius * 1.2)
+      .attr('stroke', this.isNodeBookmarked(d.id) ? '#FFD700' : '#ffffff');
+  }
+  
+  nodeMouseout(event, d) {
+    this.mouseoverNode = null;
+    
+    // Tooltip ausblenden
+    if (this.tooltipEnabled) {
+      this.tooltipDiv
+        .transition()
+        .duration(200)
+        .style('opacity', 0);
+    }
+    
+    // Knoten-Stil zurücksetzen, wenn nicht ausgewählt
+    const nodeElement = d3.select(event.currentTarget).select('circle');
+    if (d !== this.selectedNode) {
+      const isBookmarked = this.isNodeBookmarked(d.id);
+      nodeElement
+        .transition()
+        .duration(200)
+        .attr('r', this.nodeRadius)
+        .attr('stroke', isBookmarked ? '#FFD700' : '#ffffff50')
+        .attr('stroke-width', isBookmarked ? 3 : 2);
+    }
+  }
+  
+  nodeClicked(event, d) {
+    // Frühere Auswahl zurücksetzen
+    if (this.selectedNode && this.selectedNode !== d) {
+      this.g.selectAll('.node')
+        .filter(n => n === this.selectedNode)
+        .transition()
+        .duration(200)
+        .attr('r', this.nodeRadius)
+        .attr('stroke', '#ffffff50');
+    }
+    
+    // Neue Auswahl hervorheben
+    if (this.selectedNode !== d) {
+      this.selectedNode = d;
+      d3.select(event.currentTarget).select('circle')
+        .transition()
+        .duration(200)
+        .attr('r', this.selectedNodeRadius)
+        .attr('stroke', '#ffffff');
+    }
+    
+    // Callback mit Node-Daten aufrufen
+    this.onNodeClick(d);
+  }
+  
+  showError(message) {
+    this.container.html(`
+      <div class="w-full text-center p-6">
+        <div class="mb-4 text-red-500">
+          <i class="fas fa-exclamation-triangle text-4xl"></i>
+        </div>
+        <p class="text-lg text-gray-200">${message}</p>
+      </div>
+    `);
+  }
+  
+  // Fokussiert die Ansicht auf einen bestimmten Knoten
+  focusNode(nodeId) {
+    const node = this.nodes.find(n => n.id === nodeId);
+    if (!node) return;
+    
+    // Simuliere einen Klick auf den Knoten
+    const nodeElement = this.g.selectAll('.node-group')
+      .filter(d => d.id === nodeId);
+    
+    nodeElement.dispatch('click');
+    
+    // Zentriere den Knoten in der Ansicht
+    const transform = d3.zoomIdentity
+      .translate(this.width / 2, this.height / 2)
+      .scale(1.2)
+      .translate(-node.x, -node.y);
+    
+    this.svg.transition()
+      .duration(750)
+      .call(
+        d3.zoom().transform,
+        transform
+      );
+  }
+  
+  // Filtert die Mindmap basierend auf einem Suchbegriff
+  filterBySearchTerm(searchTerm) {
+    if (!searchTerm || searchTerm.trim() === '') {
+      // Alle Knoten anzeigen
+      this.g.selectAll('.node-group')
+        .style('opacity', 1)
+        .style('pointer-events', 'all');
+      
+      this.g.selectAll('.link')
+        .style('opacity', 1);
+      
+      return;
+    }
+    
+    const searchLower = searchTerm.toLowerCase();
+    const matchingNodes = this.nodes.filter(node => 
+      node.name.toLowerCase().includes(searchLower) ||
+      (node.description && node.description.toLowerCase().includes(searchLower))
+    );
+    
+    const matchingNodeIds = new Set(matchingNodes.map(n => n.id));
+    
+    // Passende Knoten hervorheben, andere ausblenden
+    this.g.selectAll('.node-group')
+      .style('opacity', d => matchingNodeIds.has(d.id) ? 1 : 0.2)
+      .style('pointer-events', d => matchingNodeIds.has(d.id) ? 'all' : 'none');
+    
+    // Verbindungen zwischen passenden Knoten hervorheben
+    this.g.selectAll('.link')
+      .style('opacity', d => 
+        matchingNodeIds.has(d.source.id) && matchingNodeIds.has(d.target.id) ? 1 : 0.1
+      );
+    
+    // Auf den ersten passenden Knoten fokussieren, wenn vorhanden
+    if (matchingNodes.length > 0) {
+      this.focusNode(matchingNodes[0].id);
+    }
+  }
+
+  /**
+   * Updates the thought_count property for each node based on existing connections
+   */
+  updateConnectionCounts() {
+    // Reset all counts first
+    this.nodes.forEach(node => {
+      // Initialize thought_count if it doesn't exist
+      if (typeof node.thought_count !== 'number') {
+        node.thought_count = 0;
+      }
+      
+      // Count connections for this node
+      const connectedNodes = this.getConnectedNodes(node);
+      node.thought_count = connectedNodes.length;
+    });
+    
+    // Update UI to show counts
+    this.updateNodeLabels();
+  }
+  
+  /**
+   * Updates the visual representation of node labels to include connection counts
+   */
+  updateNodeLabels() {
+    if (!this.textElements) return;
+    
+    this.textElements.text(d => {
+      if (d.thought_count > 0) {
+        return `${d.name} (${d.thought_count})`;
+      }
+      return d.name;
+    });
+  }
+  
+  /**
+   * Adds a new connection between nodes and updates the counts
+   */
+  addConnection(sourceNode, targetNode) {
+    if (!sourceNode || !targetNode) return false;
+    
+    // Check if connection already exists
+    if (this.isConnected(sourceNode, targetNode)) return false;
+    
+    // Add new connection
+    this.links.push({
+      source: sourceNode.id,
+      target: targetNode.id
+    });
+    
+    // Update counts
+    this.updateConnectionCounts();
+    
+    // Update visualization
+    this.updateVisualization();
+    
+    return true;
+  }
+
+  // Lädt gemerkete Knoten aus dem LocalStorage
+  loadBookmarkedNodes() {
+    try {
+      const bookmarked = localStorage.getItem('bookmarkedNodes');
+      return bookmarked ? JSON.parse(bookmarked) : [];
+    } catch (error) {
+      console.error('Fehler beim Laden der gemerkten Knoten:', error);
+      return [];
+    }
+  }
+  
+  // Speichert gemerkete Knoten im LocalStorage
+  saveBookmarkedNodes() {
+    try {
+      localStorage.setItem('bookmarkedNodes', JSON.stringify(this.bookmarkedNodes));
+    } catch (error) {
+      console.error('Fehler beim Speichern der gemerkten Knoten:', error);
+    }
+  }
+  
+  // Prüft, ob ein Knoten gemerkt ist
+  isNodeBookmarked(nodeId) {
+    return this.bookmarkedNodes.includes(nodeId);
+  }
+  
+  // Merkt einen Knoten oder hebt die Markierung auf
+  toggleBookmark(nodeId) {
+    const index = this.bookmarkedNodes.indexOf(nodeId);
+    if (index === -1) {
+      // Node hinzufügen
+      this.bookmarkedNodes.push(nodeId);
+      this.updateNodeAppearance(nodeId, true);
+    } else {
+      // Node entfernen
+      this.bookmarkedNodes.splice(index, 1);
+      this.updateNodeAppearance(nodeId, false);
+    }
+    
+    // Änderungen speichern
+    this.saveBookmarkedNodes();
+    
+    // Event auslösen für andere Komponenten
+    const event = new CustomEvent('nodeBookmarkToggled', {
+      detail: { 
+        nodeId: nodeId, 
+        isBookmarked: index === -1 
+      }
+    });
+    document.dispatchEvent(event);
+    
+    return index === -1; // true wenn jetzt gemerkt, false wenn Markierung aufgehoben
+  }
+  
+  // Aktualisiert das Aussehen eines Knotens basierend auf Bookmark-Status
+  updateNodeAppearance(nodeId, isBookmarked) {
+    this.g.selectAll('.node-group')
+      .filter(d => d.id === nodeId)
+      .select('.node')
+      .classed('bookmarked', isBookmarked)
+      .attr('stroke', isBookmarked ? '#FFD700' : '#ffffff50')
+      .attr('stroke-width', isBookmarked ? 3 : 2);
+  }
+  
+  // Aktualisiert das Aussehen aller gemerkten Knoten
+  updateAllBookmarkedNodes() {
+    this.g.selectAll('.node-group')
+      .each((d) => {
+        const isBookmarked = this.isNodeBookmarked(d.id);
+        this.updateNodeAppearance(d.id, isBookmarked);
+      });
+  }
+
+  /**
+   * Gibt alle direkt verbundenen Knoten eines Knotens zurück
+   * @param {Object} node - Der Knoten, für den die Verbindungen gesucht werden
+   * @returns {Array} Array der verbundenen Knotenobjekte
+   */
+  getConnectedNodes(node) {
+    if (!node || !this.links || !this.nodes) return [];
+    const nodeId = node.id;
+    const connectedIds = new Set();
+    this.links.forEach(link => {
+      if (link.source === nodeId || (link.source && link.source.id === nodeId)) {
+        connectedIds.add(link.target.id ? link.target.id : link.target);
+      }
+      if (link.target === nodeId || (link.target && link.target.id === nodeId)) {
+        connectedIds.add(link.source.id ? link.source.id : link.source);
+      }
+    });
+    return this.nodes.filter(n => connectedIds.has(n.id));
+  }
+}
+
+// Exportiere die Klasse für die Verwendung in anderen Modulen
+window.MindMapVisualization = MindMapVisualization; 

static/neural-network-background-full.js

@@ -18,11 +18,11 @@ class NeuralNetworkBackground {
     
     // Standardkonfiguration mit subtileren Werten
     this.config = {
-      nodeCount: 10,            // Weniger Knoten
+      nodeCount: 50,            // Weniger Knoten
       nodeSize: 1.2,            // Kleinere Knoten
       connectionDistance: 150,  // Reduzierte Verbindungsdistanz
       connectionOpacity: 0.3,   // Sanftere Verbindungslinien
-      clusterCount: 7,          // Weniger Cluster
+      clusterCount: 2,          // Weniger Cluster
       clusterRadius: 380,       // Größerer Cluster-Radius für mehr Verteilung
       animationSpeed: 0.25,     // Langsamere Animation
       flowDensity: 0.05,        // Deutlich weniger Flussanimationen
@@ -1106,66 +1106,4 @@ window.addEventListener('beforeunload', () => {
   if (window.neuralNetworkBackground) {
     window.neuralNetworkBackground.destroy();
   }
-});
-
-function applyNeuralNetworkStyle(cy) {
-    cy.style()
-        .selector('node')
-        .style({
-            'label': 'data(label)',
-            'text-valign': 'center',
-            'text-halign': 'center',
-            'color': 'data(fontColor)',
-            'text-outline-width': 2,
-            'text-outline-color': 'rgba(0,0,0,0.8)',
-            'text-outline-opacity': 0.9,
-            'font-size': 'data(fontSize)',
-            'font-weight': '500',
-            'text-margin-y': 8,
-            'width': function(ele) {
-                if (ele.data('isCenter')) return 120;
-                return ele.data('neuronSize') ? ele.data('neuronSize') * 10 : 80;
-            },
-            'height': function(ele) {
-                if (ele.data('isCenter')) return 120;
-                return ele.data('neuronSize') ? ele.data('neuronSize') * 10 : 80;
-            },
-            'background-color': 'data(color)',
-            'background-opacity': 0.9,
-            'border-width': 2,
-            'border-color': '#ffffff',
-            'border-opacity': 0.8,
-            'shape': 'ellipse',
-            'transition-property': 'background-color, background-opacity, border-width',
-            'transition-duration': '0.3s',
-            'transition-timing-function': 'ease-in-out'
-        })
-        .selector('edge')
-        .style({
-            'width': function(ele) {
-                return ele.data('strength') ? ele.data('strength') * 3 : 1;
-            },
-            'curve-style': 'bezier',
-            'line-color': function(ele) {
-                const sourceColor = ele.source().data('color');
-                return sourceColor || '#8a8aaa';
-            },
-            'line-opacity': function(ele) {
-                return ele.data('strength') ? ele.data('strength') * 0.8 : 0.4;
-            },
-            'line-style': function(ele) {
-                const strength = ele.data('strength');
-                if (!strength) return 'solid';
-                if (strength <= 0.4) return 'dotted';
-                if (strength <= 0.6) return 'dashed';
-                return 'solid';
-            },
-            'target-arrow-shape': 'none',
-            'source-endpoint': '0% 50%',
-            'target-endpoint': '100% 50%',
-            'transition-property': 'line-opacity, width',
-            'transition-duration': '0.3s',
-            'transition-timing-function': 'ease-in-out'
-        })
-        .update();
-} 
+}); 

templates/admin/update_database.html

@@ -1,46 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Datenbank aktualisieren{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-10">
-  <div class="bg-gray-800 bg-opacity-70 rounded-lg p-6 mb-6">
-    <h1 class="text-2xl font-bold text-purple-400 mb-4">Datenbank aktualisieren</h1>
-    
-    {% if message %}
-      <div class="mb-6 p-4 rounded-lg {{ 'bg-green-800 bg-opacity-50' if success else 'bg-red-800 bg-opacity-50' }}">
-        <p class="text-white">{{ message }}</p>
-      </div>
-    {% endif %}
-    
-    <div class="mb-6">
-      <p class="text-gray-300 mb-4">
-        Diese Funktion aktualisiert die Datenbankstruktur, um mit dem aktuellen Datenmodell kompatibel zu sein.
-        Dabei werden folgende Änderungen vorgenommen:
-      </p>
-      
-      <ul class="list-disc pl-6 text-gray-300 mb-6">
-        <li>Hinzufügen von <code>bio</code>, <code>location</code>, <code>website</code>, <code>avatar</code> und <code>last_login</code> zur Benutzer-Tabelle</li>
-      </ul>
-      
-      <div class="bg-yellow-800 bg-opacity-30 p-4 rounded-lg mb-6">
-        <p class="text-yellow-200">
-          <i class="fas fa-exclamation-triangle mr-2"></i>
-          <strong>Warnung:</strong> Bitte stelle sicher, dass du ein Backup der Datenbank erstellt hast, bevor du fortfährst.
-        </p>
-      </div>
-    </div>
-    
-    <form method="POST" action="{{ url_for('admin_update_database') }}">
-      <div class="flex justify-between">
-        <a href="{{ url_for('index') }}" class="px-4 py-2 bg-gray-700 text-white rounded-lg hover:bg-gray-600">
-          Zurück zur Startseite
-        </a>
-        <button type="submit" class="px-4 py-2 bg-purple-700 text-white rounded-lg hover:bg-purple-600">
-          Datenbank aktualisieren
-        </button>
-      </div>
-    </form>
-  </div>
-</div>
-{% endblock %} 

templates/base.html

@@ -6,7 +6,8 @@
     <title>Systades - {% block title %}{% endblock %}</title>
     
     <!-- Favicon -->
-    <link rel="icon" href="{{ url_for('static', filename='img/neuron-favicon.svg') }}" type="image/svg+xml">
+    <link rel="icon" href="{{ url_for('static', filename='img/favicon.svg') }}" type="image/svg+xml">
+    <link rel="icon" href="{{ url_for('static', filename='img/favicon.ico') }}" sizes="any">
     
     <!-- Meta Tags -->
     <meta name="description" content="Eine interaktive Plattform zum Visualisieren, Erforschen und Teilen von Wissen">
@@ -58,20 +59,6 @@
                 800: '#0e1220',
                 900: '#0a0e19'
               }
-            },
-            keyframes: {
-              float: {
-                '0%, 100%': { transform: 'translateY(0)' },
-                '50%': { transform: 'translateY(-5px)' }
-              },
-              'bounce-slow': {
-                '0%, 100%': { transform: 'translateY(0)' },
-                '50%': { transform: 'translateY(-8px)' }
-              }
-            },
-            animation: {
-              float: 'float 3s ease-in-out infinite',
-              'bounce-slow': 'bounce-slow 2s ease-in-out infinite'
             }
           }
         }
@@ -82,8 +69,8 @@
     <link href="{{ url_for('static', filename='fonts/inter.css') }}" rel="stylesheet">
     <link href="{{ url_for('static', filename='fonts/jetbrains-mono.css') }}" rel="stylesheet">
     
-    <!-- Font Awesome vom CDN -->
-    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css" rel="stylesheet">
+    <!-- Icons - Self-hosted Font Awesome -->
+    <link href="{{ url_for('static', filename='css/all.min.css') }}" rel="stylesheet">
     
     <!-- Assistent CSS -->
     <link href="{{ url_for('static', filename='css/assistant.css') }}" rel="stylesheet">
@@ -100,9 +87,6 @@
     <!-- Neural Network Background CSS -->
     <link href="{{ url_for('static', filename='css/neural-network-background.css') }}" rel="stylesheet">
 
-    <!-- Mindmap CSS -->
-    <link href="{{ url_for('static', filename='css/mindmap.css') }}" rel="stylesheet">
-
     <!-- D3.js für Visualisierungen -->
     <script src="https://d3js.org/d3.v7.min.js"></script>
     
@@ -111,6 +95,12 @@
     
     <!-- ChatGPT Assistant -->
     <script src="{{ url_for('static', filename='js/modules/chatgpt-assistant.js') }}"></script>
+    
+    <!-- MindMap Visualization Module -->
+    <script src="{{ url_for('static', filename='js/modules/mindmap.js') }}"></script>
+
+    <!-- MindMap Page Module -->
+    <script src="{{ url_for('static', filename='js/modules/mindmap-page.js') }}"></script>
 
     <!-- Neural Network Background Script -->
     <script src="{{ url_for('static', filename='neural-network-background.js') }}"></script>
@@ -121,20 +111,18 @@
     <!-- Seitenspezifische Styles -->
     {% block extra_css %}{% endblock %}
     
-    <!-- Custom dark/light mode styles -->
+    <!-- Custom dark mode styles -->
     <!-- ► ►  Farb‑Token strikt getrennt  ◄ ◄ -->
     <style>
         /* Light‑Mode */
         :root {
-          --bg-primary:#f8fafc;
-          --bg-secondary:#f1f5f9;
+          --bg-primary:#f4f6fa;
+          --bg-secondary:#e9ecf3;
           --text-primary:#232837;
           --text-secondary:#475569;
           --accent-primary:#7c3aed;
           --accent-secondary:#8b5cf6;
           --glow-effect:0 0 8px rgba(139,92,246,.08);
-          background-image: linear-gradient(to bottom right, rgba(248, 250, 252, 0.8), rgba(241, 245, 249, 0.8));
-          background-attachment: fixed;
         }
         /* Dark‑Mode */
         .dark {
@@ -148,8 +136,7 @@
         }
   
         body {
-          @apply min-h-screen bg-[color:var(--bg-primary)] text-[color:var(--text-primary)];
-          transition: background-color 0.5s ease-in-out, color 0.3s ease-in-out, background-image 0.5s ease-in-out;
+          @apply min-h-screen bg-[color:var(--bg-primary)] text-[color:var(--text-primary)] transition-colors duration-300;
         }
   
         /* Utilities */
@@ -162,151 +149,6 @@
         .glass-navbar { @apply glass-morphism border backdrop-blur-xl; }
         .light .glass-navbar { background-color:rgba(255,255,255,.8); border-color:rgba(0,0,0,.05); }
         .dark .glass-navbar { background-color:rgba(10,14,25,.8); border-color:rgba(255,255,255,.05); }
-
-        /* Light-Mode spezifische Stile */
-        body:not(.dark) {
-          background-color: var(--bg-primary);
-          color: var(--text-primary);
-        }
-        
-        .nav-link-light {
-          color: var(--text-secondary);
-          transition: all 0.3s ease;
-        }
-        
-        .nav-link-light:hover {
-          color: var(--text-primary);
-          background-color: rgba(126, 34, 206, 0.1);
-        }
-        
-        .nav-link-light-active {
-          color: var(--accent-primary);
-          background-color: rgba(126, 34, 206, 0.15);
-          font-weight: 500;
-        }
-        
-        /* Kartendesign im Light-Mode */
-        body:not(.dark) .card {
-          background-color: white;
-          border: 1px solid #e5e7eb;
-          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
-        }
-        
-        body:not(.dark) .card:hover {
-          box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
-        }
-
-        a:hover {
-            color: var(--light-primary-hover);
-        }
-
-        /* Light Mode Buttons */
-        body:not(.dark) .btn,
-        body:not(.dark) button:not(.toggle) {
-            background: linear-gradient(135deg, #7c3aed, #6d28d9);
-            color: white !important;
-            border: none;
-            box-shadow: 0 2px 4px rgba(124, 58, 237, 0.25);
-            border-radius: 8px;
-            padding: 0.625rem 1.25rem;
-            transition: all 0.2s ease;
-            font-weight: 600;
-            letter-spacing: 0.02em;
-            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
-        }
-
-        body:not(.dark) .btn:hover,
-        body:not(.dark) button:not(.toggle):hover {
-            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
-            transform: translateY(-1px);
-            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
-            color: white !important;
-        }
-        
-        /* KI-Chat Button im Light-Mode */
-        body:not(.dark) [onclick*="MindMap.assistant.toggleAssistant"] {
-            background: linear-gradient(135deg, #7c3aed, #4f46e5);
-            color: white !important;
-            font-weight: 500;
-            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
-        }
-        
-        body:not(.dark) [onclick*="MindMap.assistant.toggleAssistant"]:hover {
-            background: linear-gradient(135deg, #8b5cf6, #6366f1);
-            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
-        }
-
-        /* Style improvements for the theme toggle button */
-        .theme-toggle {
-          position: relative;
-          width: 48px;
-          height: 24px;
-          border-radius: 24px;
-          padding: 2px;
-          cursor: pointer;
-          transition: all 0.3s ease;
-          overflow: hidden;
-        }
-        
-        body.dark .theme-toggle {
-          background: linear-gradient(to right, #7c3aed, #3b82f6);
-          box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 10px rgba(124, 58, 237, 0.3);
-          border: 1px solid rgba(255, 255, 255, 0.1);
-        }
-        
-        body:not(.dark) .theme-toggle {
-          background: linear-gradient(to right, #8b5cf6, #60a5fa);
-          box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 10px rgba(124, 58, 237, 0.15);
-          border: 1px solid rgba(0, 0, 0, 0.05);
-        }
-        
-        .theme-toggle::after {
-          content: '';
-          position: absolute;
-          width: 20px;
-          height: 20px;
-          border-radius: 50%;
-          top: 2px;
-          transition: all 0.3s ease;
-          z-index: 2;
-        }
-        
-        body.dark .theme-toggle::after {
-          background: #f1f5f9 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%237c3aed' width='14' height='14'%3E%3Cpath d='M21.752 15.002A9.718 9.718 0 0118 15.75c-5.385 0-9.75-4.365-9.75-9.75 0-1.33.266-2.597.748-3.752A9.753 9.753 0 003 11.25C3 16.635 7.365 21 12.75 21a9.753 9.753 0 009.002-5.998z'%3E%3C/path%3E%3C/svg%3E") no-repeat center center;
-          transform: translateX(24px);
-          box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
-        }
-        
-        body:not(.dark) .theme-toggle::after {
-          background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f59e0b' width='14' height='14'%3E%3Cpath d='M12 2.25a.75.75 0 01.75.75v2.25a.75.75 0 01-1.5 0V3a.75.75 0 01.75-.75zM7.5 12a4.5 4.5 0 119 0 4.5 4.5 0 01-9 0zM18.894 6.166a.75.75 0 00-1.06-1.06l-1.591 1.59a.75.75 0 101.06 1.061l1.591-1.59zM21.75 12a.75.75 0 01-.75.75h-2.25a.75.75 0 010-1.5H21a.75.75 0 01.75.75zM17.834 18.894a.75.75 0 001.06-1.06l-1.59-1.591a.75.75 0 10-1.061 1.06l1.59 1.591zM12 18a.75.75 0 01.75.75V21a.75.75 0 01-1.5 0v-2.25A.75.75 0 0112 18zM7.758 17.303a.75.75 0 00-1.061-1.06l-1.591 1.59a.75.75 0 001.06 1.061l1.591-1.59zM6 12a.75.75 0 01-.75.75H3a.75.75 0 010-1.5h2.25A.75.75 0 016 12zM6.697 7.757a.75.75 0 001.06-1.06l-1.59-1.591a.75.75 0 00-1.061 1.06l1.59 1.591z'%3E%3C/path%3E%3C/svg%3E") no-repeat center center;
-          transform: translateX(2px);
-          box-shadow: 0 0 8px rgba(124, 58, 237, 0.2);
-        }
-        
-        .theme-toggle:hover::after {
-          box-shadow: 0 0 12px rgba(124, 58, 237, 0.4);
-        }
-        
-        /* Fixes for light mode button text colors */
-        body:not(.dark) .btn-primary {
-          color: white !important;
-        }
-        
-        /* Fix for KI-Chat container */
-        #chatgpt-assistant {
-          position: fixed;
-          bottom: 1.5rem;
-          right: 1.5rem;
-          z-index: 100;
-        }
-        
-        .chat-assistant {
-          max-height: 80vh !important;
-        }
-        
-        .chat-assistant .chat-messages {
-          max-height: calc(80vh - 160px) !important;
-        }
       </style>
 </head>
 <body data-page="{{ request.endpoint }}" class="relative overflow-x-hidden dark bg-gray-900 text-white" x-data="{ 
@@ -316,17 +158,6 @@
     showSettingsModal: false,
     
     init() {
-        this.initDarkMode();
-    },
-    
-    initDarkMode() {
-        // Lade zuerst den Wert aus dem localStorage (client-seitig)
-        const storedMode = localStorage.getItem('colorMode');
-        if (storedMode) {
-            this.darkMode = storedMode === 'dark';
-        }
-        
-        // Dann hole die Server-Einstellung, die Vorrang hat
         this.fetchDarkModeFromSession();
     },
     
@@ -336,7 +167,7 @@
             .then(data => {
                 if (data.success) {
                     this.darkMode = data.darkMode === 'true';
-                    this.applyDarkMode();
+                    document.querySelector('html').classList.toggle('dark', this.darkMode);
                 }
             })
             .catch(error => {
@@ -344,17 +175,10 @@
             });
     },
     
-    applyDarkMode() {
-        document.querySelector('html').classList.toggle('dark', this.darkMode);
-        document.querySelector('body').classList.toggle('dark', this.darkMode);
-        localStorage.setItem('colorMode', this.darkMode ? 'dark' : 'light');
-    },
-    
     toggleDarkMode() {
         this.darkMode = !this.darkMode;
-        this.applyDarkMode();
+        document.querySelector('html').classList.toggle('dark', this.darkMode);
         
-        // Server über Änderung informieren
         fetch('/api/set_dark_mode', {
             method: 'POST',
             headers: {
@@ -365,10 +189,12 @@
         .then(response => response.json())
         .then(data => {
             if (data.success) {
-                // Event auslösen für andere Komponenten
+                localStorage.setItem('darkMode', this.darkMode ? 'dark' : 'light');
                 document.dispatchEvent(new CustomEvent('darkModeToggled', { 
                     detail: { isDark: this.darkMode } 
                 }));
+            } else {
+                console.error('Fehler beim Speichern der Dark Mode-Einstellung:', data.error);
             }
         })
         .catch(error => {
@@ -384,7 +210,6 @@
             <div class="container mx-auto flex justify-between items-center">
                 <!-- Logo -->
                 <a href="{{ url_for('index') }}" class="flex items-center group">
-                    <img src="{{ url_for('static', filename='img/neuron-logo.svg') }}" alt="Systades Logo" class="w-8 h-8 mr-2 transform transition-transform group-hover:scale-110">
                     <span class="text-2xl font-bold gradient-text transform transition-transform group-hover:scale-105">Systades</span>
                 </a>
 
@@ -416,7 +241,7 @@
                        class="nav-link flex items-center" 
                        x-bind:class="darkMode 
                        ? 'bg-gradient-to-r from-purple-900/90 to-indigo-800/90 text-white font-medium px-4 py-2 rounded-xl hover:shadow-lg hover:shadow-purple-800/30 transition-all duration-300'
-                       : 'bg-gradient-to-r from-purple-600 to-indigo-500 text-white font-medium px-4 py-2 rounded-xl hover:shadow-md transition-all duration-300'">
+                       : 'bg-gradient-to-r from-purple-600/30 to-indigo-500/30 text-gray-800 font-medium px-4 py-2 rounded-xl hover:shadow-md transition-all duration-300'">
                         <i class="fa-solid fa-robot mr-2"></i>KI-Chat
                     </button>
                     {% if current_user.is_authenticated %}
@@ -432,14 +257,25 @@
 
                 <!-- Rechte Seite -->
                 <div class="flex items-center space-x-4">
-                    <!-- Dark/Light Mode Schalter -->
-                    <button
-                        @click="toggleDarkMode()"
-                        class="theme-toggle relative w-12 h-6 rounded-full transition-all duration-300 flex items-center overflow-hidden"
-                        aria-label="Dark Mode umschalten"
-                    >
-                        <span class="sr-only" x-text="darkMode ? 'Zum Light Mode wechseln' : 'Zum Dark Mode wechseln'"></span>
-                    </button>
+                    <!-- Dark Mode Toggle Switch -->
+                    <div class="flex items-center cursor-pointer" @click="toggleDarkMode">
+                        <div class="relative w-12 h-6">
+                            <input type="checkbox" id="darkModeToggle" class="sr-only" x-model="darkMode">
+                            <div class="block w-12 h-6 rounded-full transition-colors duration-300"
+                                 x-bind:class="darkMode ? 'bg-purple-800/50' : 'bg-gray-400/50'"></div>
+                            <div class="dot absolute left-1 top-1 w-4 h-4 rounded-full transition-transform duration-300 shadow-md"
+                                 x-bind:class="darkMode ? 'bg-purple-600 transform translate-x-6' : 'bg-white'"></div>
+                        </div>
+                        <div class="ml-3 hidden sm:block" 
+                             x-bind:class="darkMode ? 'text-white/90' : 'text-gray-700'">
+                            <span x-text="darkMode ? 'Dunkel' : 'Hell'"></span>
+                        </div>
+                        <div class="ml-2 sm:hidden" 
+                             x-bind:class="darkMode ? 'text-white/90' : 'text-gray-700'">
+                            <i class="fa-solid" :class="darkMode ? 'fa-sun' : 'fa-moon'"></i>
+                        </div>
+                    </div>
+
                     <!-- Profil-Link oder Login -->
                     {% if current_user.is_authenticated %}
                     <div class="relative" x-data="{ open: false }">
@@ -453,21 +289,12 @@
                                 {% if current_user.avatar %}
                                 <img src="{{ current_user.avatar }}" alt="{{ current_user.username }}" class="w-full h-full object-cover">
                                 {% else %}
-                                <svg width="100%" height="100%" viewBox="0 0 200 200" fill="none" xmlns="http://www.w3.org/2000/svg">
-                                  <circle cx="100" cy="100" r="98" fill="url(#user-gradient)" stroke="#7C3AED" stroke-width="4"/>
-                                  <circle cx="100" cy="80" r="36" fill="white"/>
-                                  <path d="M100 140C77.9086 140 60 157.909 60 180H140C140 157.909 122.091 140 100 140Z" fill="white"/>
-                                  <defs>
-                                    <linearGradient id="user-gradient" x1="0" y1="0" x2="200" y2="200" gradientUnits="userSpaceOnUse">
-                                      <stop offset="0" stop-color="#8B5CF6"/>
-                                      <stop offset="1" stop-color="#3B82F6"/>
-                                    </linearGradient>
-                                  </defs>
-                                </svg>
+                                {{ current_user.username[0].upper() }}
                                 {% endif %}
                             </div>
-                            <span class="hidden md:block">{{ current_user.username }}</span>
-                            <i class="fas fa-chevron-down text-xs opacity-60 ml-1.5"></i>
+                            <span class="text-sm hidden lg:block">{{ current_user.username }}</span>
+                            <i class="fa-solid fa-chevron-down text-xs hidden lg:block transition-transform duration-200"
+                               x-bind:class="open ? 'transform rotate-180' : ''"></i>
                         </button>
 
                         <!-- Dropdown-Menü -->
@@ -585,7 +412,7 @@
                    class="block w-full text-left py-3.5 px-4 rounded-xl transition-all duration-200 flex items-center"
                    x-bind:class="darkMode 
                    ? 'bg-gradient-to-r from-purple-600/30 to-blue-500/30 text-white hover:from-purple-600/40 hover:to-blue-500/40' 
-                   : 'bg-gradient-to-r from-purple-600 to-blue-500 text-white hover:from-purple-600/90 hover:to-blue-500/90'">
+                   : 'bg-gradient-to-r from-purple-500/10 to-blue-400/10 text-gray-900 hover:from-purple-500/20 hover:to-blue-400/20'">
                     <i class="fa-solid fa-robot w-5 mr-3"></i>KI-Chat
                 </button>
                 {% if current_user.is_authenticated %}
@@ -651,10 +478,6 @@
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
                                 Mindmap
                             </a>
-                            <a href="{{ url_for('search_thoughts_page') }}" class="text-sm transition-all duration-200"
-                               :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
-                                Suche
-                            </a>
                             {% if current_user.is_authenticated %}
                             <a href="{{ url_for('profile') }}" class="text-sm transition-all duration-200"
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
@@ -734,286 +557,58 @@
     
     <!-- Hilfsscripts -->
     {% block scripts %}{% endblock %}
-    {% block extra_js %}{% endblock %}
     
-    <!-- ChatGPT Initialisierung -->
+    <!-- KI-Chat Initialisierung -->
     <script>
-        // Prüfe, ob ChatGPTAssistant bereits existiert
-        if (typeof ChatGPTAssistant === 'undefined') {
-            class ChatGPTAssistant {
-                constructor() {
-                    this.chatContainer = null;
-                    this.messages = [];
-                    this.isOpen = false;
-                }
+        // Initialisiere den ChatGPT-Assistenten direkt, um sicherzustellen,
+        // dass er auf jeder Seite verfügbar ist, selbst wenn MindMap nicht geladen ist
+        document.addEventListener('DOMContentLoaded', function() {
+            // Prüfen, ob der Assistent bereits durch MindMap initialisiert wurde
+            if (!window.MindMap || !window.MindMap.assistant) {
+                console.log('KI-Assistent wird direkt initialisiert...');
+                const assistant = new ChatGPTAssistant();
+                assistant.init();
                 
-                init() {
-                    // Chat-Container erstellen, falls noch nicht vorhanden
-                    if (!document.getElementById('chat-assistant-container')) {
-                        this.createChatInterface();
-                    }
-                    
-                    // Event-Listener für Chat-Button
-                    const chatButton = document.getElementById('chat-assistant-button');
-                    if (chatButton) {
-                        chatButton.addEventListener('click', () => this.toggleChat());
-                    }
-                    
-                    // Event-Listener für Senden-Button
-                    const sendButton = document.getElementById('chat-send-button');
-                    if (sendButton) {
-                        sendButton.addEventListener('click', () => this.sendMessage());
-                    }
-                    
-                    // Event-Listener für Eingabefeld (Enter-Taste)
-                    const inputField = document.getElementById('chat-input');
-                    if (inputField) {
-                        inputField.addEventListener('keypress', (e) => {
-                            if (e.key === 'Enter') {
-                                e.preventDefault();
-                                this.sendMessage();
-                            }
-                        });
-                    }
-                    
-                    console.log('KI-Assistent erfolgreich initialisiert');
-                }
-                
-                createChatInterface() {
-                    // Chat-Button erstellen
-                    const chatButton = document.createElement('button');
-                    chatButton.id = 'chat-assistant-button';
-                    chatButton.className = 'fixed bottom-6 right-6 bg-primary-600 text-white rounded-full p-4 shadow-lg z-50 hover:bg-primary-700 transition-all';
-                    chatButton.innerHTML = '<i class="fas fa-robot text-xl"></i>';
-                    document.body.appendChild(chatButton);
-                    
-                    // Chat-Container erstellen
-                    const chatContainer = document.createElement('div');
-                    chatContainer.id = 'chat-assistant-container';
-                    chatContainer.className = 'fixed bottom-24 right-6 w-80 md:w-96 bg-white dark:bg-gray-800 rounded-xl shadow-xl z-50 flex flex-col transition-all duration-300 transform scale-0 origin-bottom-right';
-                    chatContainer.style.height = '500px';
-                    chatContainer.style.maxHeight = '70vh';
-                    
-                    // Chat-Header
-                    chatContainer.innerHTML = `
-                        <div class="p-4 border-b dark:border-gray-700 flex justify-between items-center">
-                            <h3 class="font-bold text-gray-800 dark:text-white">Systades Assistent</h3>
-                            <button id="chat-close-button" class="text-gray-500 hover:text-gray-700 dark:text-gray-400 dark:hover:text-gray-200">
-                                <i class="fas fa-times"></i>
-                            </button>
-                        </div>
-                        <div id="chat-messages" class="flex-1 overflow-y-auto p-4 space-y-4"></div>
-                        <div class="p-4 border-t dark:border-gray-700">
-                            <div class="flex space-x-2">
-                                <input id="chat-input" type="text" placeholder="Frage stellen..." class="flex-1 px-4 py-2 rounded-lg border dark:border-gray-700 dark:bg-gray-700 dark:text-white focus:outline-none focus:ring-2 focus:ring-primary-500">
-                                <button id="chat-send-button" class="bg-primary-600 text-white px-4 py-2 rounded-lg hover:bg-primary-700 transition-all">
-                                    <i class="fas fa-paper-plane"></i>
-                                </button>
-                            </div>
-                        </div>
-                    `;
-                    
-                    document.body.appendChild(chatContainer);
-                    this.chatContainer = chatContainer;
-                    
-                    // Event-Listener für Schließen-Button
-                    const closeButton = document.getElementById('chat-close-button');
-                    if (closeButton) {
-                        closeButton.addEventListener('click', () => this.toggleChat());
-                    }
-                }
-                
-                toggleChat() {
-                    this.isOpen = !this.isOpen;
-                    if (this.isOpen) {
-                        this.chatContainer.classList.remove('scale-0');
-                        this.chatContainer.classList.add('scale-100');
-                    } else {
-                        this.chatContainer.classList.remove('scale-100');
-                        this.chatContainer.classList.add('scale-0');
-                    }
-                }
-                
-                async sendMessage() {
-                    const inputField = document.getElementById('chat-input');
-                    const messageText = inputField.value.trim();
-                    
-                    if (!messageText) return;
-                    
-                    // Benutzer-Nachricht anzeigen
-                    this.addMessage('user', messageText);
-                    inputField.value = '';
-                    
-                    // Lade-Indikator anzeigen
-                    this.addMessage('assistant', '...', 'loading-message');
-                    
-                    try {
-                        // API-Anfrage senden
-                        const response = await fetch('/api/assistant', {
-                            method: 'POST',
-                            headers: {
-                                'Content-Type': 'application/json'
-                            },
-                            body: JSON.stringify({
-                                messages: this.messages.map(msg => ({
-                                    role: msg.role,
-                                    content: msg.content
-                                }))
-                            })
-                        });
-                        
-                        const data = await response.json();
-                        
-                        // Lade-Nachricht entfernen
-                        const loadingMessage = document.getElementById('loading-message');
-                        if (loadingMessage) {
-                            loadingMessage.remove();
-                        }
-                        
-                        if (data.error) {
-                            this.addMessage('assistant', 'Entschuldigung, es ist ein Fehler aufgetreten: ' + data.error);
-                        } else {
-                            this.addMessage('assistant', data.response);
-                        }
-                    } catch (error) {
-                        console.error('Fehler bei der API-Anfrage:', error);
-                        
-                        // Lade-Nachricht entfernen
-                        const loadingMessage = document.getElementById('loading-message');
-                        if (loadingMessage) {
-                            loadingMessage.remove();
-                        }
-                        
-                        this.addMessage('assistant', 'Entschuldigung, es ist ein Fehler aufgetreten. Bitte versuche es später erneut.');
-                    }
-                }
-                
-                addMessage(role, content, id = null) {
-                    const messagesContainer = document.getElementById('chat-messages');
-                    
-                    // Nachricht zum Array hinzufügen (außer Lade-Nachrichten)
-                    if (id !== 'loading-message') {
-                        this.messages.push({ role, content });
-                    }
-                    
-                    // Nachricht zum DOM hinzufügen
-                    const messageElement = document.createElement('div');
-                    messageElement.className = `p-3 rounded-lg ${role === 'user' ? 'bg-primary-100 dark:bg-primary-900/30 ml-6' : 'bg-gray-100 dark:bg-gray-700 mr-6'}`;
-                    if (id) {
-                        messageElement.id = id;
-                    }
-                    
-                    messageElement.innerHTML = `
-                        <div class="flex items-start">
-                            <div class="w-8 h-8 rounded-full flex items-center justify-center ${role === 'user' ? 'bg-primary-600' : 'bg-gray-600'} text-white mr-2">
-                                <i class="fas ${role === 'user' ? 'fa-user' : 'fa-robot'} text-xs"></i>
-                            </div>
-                            <div class="flex-1 text-sm ${role === 'user' ? 'text-gray-800 dark:text-gray-200' : 'text-gray-700 dark:text-gray-300'}">
-                                ${content}
-                            </div>
-                        </div>
-                    `;
-                    
-                    messagesContainer.appendChild(messageElement);
-                    messagesContainer.scrollTop = messagesContainer.scrollHeight;
+                // Speichere in window.MindMap, falls es existiert, oder erstelle es
+                if (!window.MindMap) {
+                    window.MindMap = {};
                 }
+                window.MindMap.assistant = assistant;
             }
-
-            // Initialisiere den ChatGPT-Assistenten direkt
-            document.addEventListener('DOMContentLoaded', function() {
-                // Prüfen, ob der Assistent bereits durch MindMap initialisiert wurde
-                if (!window.MindMap || !window.MindMap.assistant) {
-                    console.log('KI-Assistent wird direkt initialisiert...');
-                    const assistant = new ChatGPTAssistant();
-                    assistant.init();
-                    
-                    // Speichere in window.MindMap, falls es existiert, oder erstelle es
-                    if (!window.MindMap) {
-                        window.MindMap = {};
-                    }
-                    window.MindMap.assistant = assistant;
-                }
-            });
-        }
+        });
     </script>
 
-    <!-- Dark/Light-Mode vereinheitlicht -->
+    <!-- Dark/Light-Mode persistent und robust -->
     <script>
-      // Globaler Zugriff für externe Skripte
-      window.MindMap = window.MindMap || {};
-      
-      // Funktion zum Anwenden des Dark Mode, strikt getrennt
-      function applyDarkModeClasses(isDarkMode) {
-        if (isDarkMode) {
-          document.documentElement.classList.add('dark');
-          document.body.classList.add('dark');
-          localStorage.setItem('colorMode', 'dark');
-        } else {
-          document.documentElement.classList.remove('dark');
-          document.body.classList.remove('dark');
-          localStorage.setItem('colorMode', 'light');
-        }
-        
-        // Alpine.js darkMode-Variable aktualisieren, falls zutreffend
-        const appEl = document.querySelector('body');
-        if (appEl && appEl.__x) {
-          appEl.__x.$data.darkMode = isDarkMode;
-        }
-        
-        // Event für andere Komponenten auslösen
-        document.dispatchEvent(new CustomEvent('darkModeToggled', { 
-          detail: { isDark: isDarkMode } 
-        }));
-      }
-      
-      window.MindMap.toggleDarkMode = function() {
-        const isDark = document.documentElement.classList.contains('dark');
-        const newIsDark = !isDark;
-        
-        // DOM aktualisieren
-        applyDarkModeClasses(newIsDark);
-        
-        // Server aktualisieren
-        fetch('/api/set_dark_mode', {
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ darkMode: newIsDark })
-        })
-        .catch(console.error);
-      };
-      
-      // Initialisierung beim Laden
-      document.addEventListener('DOMContentLoaded', function() {
-        // Reihenfolge der Prüfungen: Serverseitige Einstellung > Lokale Einstellung > Browser-Präferenz
-        
-        // 1. Zuerst lokale Einstellung prüfen
-        const storedMode = localStorage.getItem('colorMode');
-        if (storedMode) {
-          applyDarkModeClasses(storedMode === 'dark');
-        } else {
-          // 2. Fallback auf Browser-Präferenz
-          const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
-          applyDarkModeClasses(prefersDark);
-        }
-        
-        // 3. Serverseitige Einstellung abrufen und anwenden
-        fetch('/api/get_dark_mode')
-          .then(response => response.json())
-          .then(data => {
-            if (data.success) {
-              const serverDarkMode = data.darkMode === true || data.darkMode === 'true';
-              applyDarkModeClasses(serverDarkMode);
-            }
-          })
-          .catch(error => console.error('Fehler beim Abrufen des Dark Mode Status:', error));
-        
-        // Listener für Änderungen der Browser-Präferenz
-        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
-          if (localStorage.getItem('colorMode') === null) {
-            applyDarkModeClasses(e.matches);
+      (function() {
+        function applyMode(mode) {
+          if (mode === 'dark') {
+            document.documentElement.classList.add('dark');
+            localStorage.setItem('colorMode', 'dark');
+          } else {
+            document.documentElement.classList.remove('dark');
+            localStorage.setItem('colorMode', 'light');
           }
+        }
+        // Beim Laden: Präferenz aus localStorage oder System übernehmen
+        const stored = localStorage.getItem('colorMode');
+        if (stored === 'dark' || stored === 'light') {
+          applyMode(stored);
+        } else {
+          // Systempräferenz als Fallback
+          const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+          applyMode(prefersDark ? 'dark' : 'light');
+        }
+        // Umschalter für alle Mode-Toggles
+        window.toggleColorMode = function() {
+          const isDark = document.documentElement.classList.contains('dark');
+          applyMode(isDark ? 'light' : 'dark');
+        };
+        // Optional: globales Event für andere Skripte
+        window.addEventListener('storage', function(e) {
+          if (e.key === 'colorMode') applyMode(e.newValue);
         });
-      });
+      })();
     </script>
 </body>
 </html> 

templates/community/category.html

@@ -1,192 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}{{ category.title }} - Forum{% endblock %}
-
-{% block extra_css %}
-<style>
-  .thread-item {
-    transition: all 0.2s ease;
-  }
-  .thread-item:hover {
-    transform: translateX(2px);
-  }
-  .thread-pinned {
-    border-left-width: 4px;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Breadcrumb Navigation -->
-  <div class="mb-6 flex items-center text-sm">
-    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      <i class="fas fa-home mr-1"></i> Forum
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <span class="font-medium">{{ category.title }}</span>
-  </div>
-  
-  <!-- Kategorie-Header -->
-  <div class="mb-8 flex flex-wrap items-center justify-between gap-4">
-    <div class="flex items-center">
-      <!-- Kategorie-Icon -->
-      <div class="w-12 h-12 rounded-xl mr-4 flex items-center justify-center text-white" 
-           style="background-color: {{ node.color_code or '#6d28d9' }}">
-        <i class="fas {{ node.icon or 'fa-folder' }} text-2xl"></i>
-      </div>
-      
-      <!-- Kategorie-Info -->
-      <div>
-        <h1 class="text-2xl font-bold">{{ category.title }}</h1>
-        <p class="opacity-75">{{ category.description }}</p>
-      </div>
-    </div>
-    
-    <!-- Neues Thema erstellen -->
-    <a href="{{ url_for('new_post', category_id=category.id) }}" 
-       class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-       x-bind:class="darkMode 
-       ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
-       : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
-      <i class="fas fa-plus-circle mr-2"></i>
-      Neues Thema
-    </a>
-  </div>
-  
-  <!-- Threads anzeigen -->
-  <div class="mb-8 rounded-xl overflow-hidden"
-       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
-    
-    <!-- Header -->
-    <div class="p-4 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-      <div class="grid grid-cols-12 gap-4">
-        <div class="col-span-7 font-medium">Thema</div>
-        <div class="col-span-1 text-center font-medium hidden md:block">Antworten</div>
-        <div class="col-span-2 text-center font-medium hidden md:block">Autor</div>
-        <div class="col-span-2 text-center font-medium hidden md:block">Letzte Antwort</div>
-      </div>
-    </div>
-    
-    <!-- Thread-Liste -->
-    {% if threads_data %}
-      {% for thread_data in threads_data %}
-        {% set thread = thread_data.thread %}
-        <div class="thread-item p-4 border-b last:border-b-0 {{ 'thread-pinned' if thread.is_pinned }}" 
-             x-bind:class="darkMode 
-             ? 'border-white/10 hover:bg-gray-700/50 {{ 'border-l-yellow-500' if thread.is_pinned }}' 
-             : 'border-gray-200 hover:bg-gray-50 {{ 'border-l-yellow-500' if thread.is_pinned }}'">
-          <a href="{{ url_for('forum_post', post_id=thread.id) }}" class="block">
-            <div class="grid grid-cols-12 gap-4">
-              <!-- Thema -->
-              <div class="col-span-12 md:col-span-7">
-                <div class="flex items-start">
-                  <!-- Status-Icons -->
-                  <div class="flex flex-col items-center mr-3 pt-1">
-                    {% if thread.is_pinned %}
-                      <i class="fas fa-thumbtack text-yellow-500" title="Angepinnt"></i>
-                    {% endif %}
-                    {% if thread.is_locked %}
-                      <i class="fas fa-lock text-red-500 mt-1" title="Gesperrt"></i>
-                    {% endif %}
-                  </div>
-                  
-                  <!-- Themen-Info -->
-                  <div>
-                    <h3 class="font-medium leading-snug mb-1 {% if thread.is_locked %}opacity-70{% endif %}">
-                      {{ thread.title }}
-                    </h3>
-                    <div class="flex items-center text-xs opacity-70 mt-1">
-                      <span><i class="fas fa-eye mr-1"></i> {{ thread.view_count }}</span>
-                      <span class="mx-2 block md:hidden">•</span>
-                      <span class="block md:hidden"><i class="fas fa-reply mr-1"></i> {{ thread_data.reply_count }}</span>
-                      <span class="mx-2">•</span>
-                      <span><i class="fas fa-clock mr-1"></i> {{ thread.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
-                    </div>
-                  </div>
-                </div>
-              </div>
-              
-              <!-- Antworten -->
-              <div class="col-span-1 text-center hidden md:flex items-center justify-center">
-                <span class="px-2.5 py-1 rounded-full text-sm font-medium" 
-                     x-bind:class="darkMode 
-                     ? 'bg-indigo-900/40 text-indigo-300' 
-                     : 'bg-indigo-100 text-indigo-800'">
-                  {{ thread_data.reply_count }}
-                </span>
-              </div>
-              
-              <!-- Autor -->
-              <div class="col-span-2 text-center hidden md:flex items-center justify-center">
-                <div class="flex items-center">
-                  <div class="w-7 h-7 rounded-full flex items-center justify-center text-white text-xs font-medium overflow-hidden mr-2" 
-                       style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
-                    {% if thread.author.avatar %}
-                      <img src="{{ thread.author.avatar }}" alt="{{ thread.author.username }}" class="w-full h-full object-cover">
-                    {% else %}
-                      {{ thread.author.username[0].upper() }}
-                    {% endif %}
-                  </div>
-                  <span class="text-sm truncate max-w-[80px]">{{ thread.author.username }}</span>
-                </div>
-              </div>
-              
-              <!-- Letzte Antwort -->
-              <div class="col-span-2 text-center hidden md:block text-sm">
-                {% if thread_data.latest_reply %}
-                  <div>{{ thread_data.latest_reply.created_at.strftime('%d.%m.%Y') }}</div>
-                  <div class="opacity-75 text-xs">{{ thread_data.latest_reply.created_at.strftime('%H:%M') }} Uhr</div>
-                {% else %}
-                  <span class="opacity-60">Keine Antworten</span>
-                {% endif %}
-              </div>
-            </div>
-          </a>
-        </div>
-      {% endfor %}
-    {% else %}
-      <div class="p-8 text-center">
-        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-comments"></i></div>
-        <h3 class="text-xl font-semibold mb-2">Keine Themen vorhanden</h3>
-        <p class="opacity-75 mb-4">In dieser Kategorie wurden noch keine Themen erstellt.</p>
-        <a href="{{ url_for('new_post', category_id=category.id) }}" 
-           class="inline-block px-5 py-2.5 rounded-lg transition-all duration-300"
-           x-bind:class="darkMode 
-           ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
-           : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
-          <i class="fas fa-plus-circle mr-2"></i>
-          Erstes Thema erstellen
-        </a>
-      </div>
-    {% endif %}
-  </div>
-  
-  <!-- Link zur Mindmap -->
-  <div class="rounded-xl p-5 mb-4 flex items-center"
-       x-bind:class="darkMode ? 'bg-purple-900/20 border border-purple-800/30' : 'bg-purple-50 border border-purple-100'">
-    <div class="text-3xl mr-4 opacity-80">
-      <i class="fas fa-diagram-project" style="color: {{ node.color_code }}"></i>
-    </div>
-    <div>
-      <h3 class="font-medium mb-1">Mindmap-Knotenpunkt: {{ node.name }}</h3>
-      <p class="text-sm opacity-75">In der Mindmap findest du weitere Informationen zu diesem Themenbereich.</p>
-    </div>
-    <div class="ml-auto">
-      <a href="{{ url_for('mindmap') }}" 
-         class="px-4 py-2 rounded-lg inline-block text-sm transition-all"
-         x-bind:class="darkMode 
-         ? 'bg-purple-800/60 hover:bg-purple-700/60 text-white' 
-         : 'bg-white hover:bg-purple-100 text-purple-800 border border-purple-200'">
-        Zur Mindmap
-      </a>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  // Hier können bei Bedarf kategoriespezifische Scripts eingefügt werden
-</script>
-{% endblock %} 

templates/community/edit_post.html

@@ -1,344 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}Beitrag bearbeiten{% endblock %}
-
-{% block extra_css %}
-<style>
-  .markdown-preview {
-    min-height: 200px;
-    max-height: 400px;
-    overflow-y: auto;
-    line-height: 1.6;
-  }
-  .markdown-preview p {
-    margin-bottom: 1rem;
-  }
-  .markdown-preview h1, .markdown-preview h2, .markdown-preview h3, 
-  .markdown-preview h4, .markdown-preview h5, .markdown-preview h6 {
-    margin-top: 1.5rem;
-    margin-bottom: 0.75rem;
-    font-weight: 600;
-  }
-  .markdown-preview h1 { font-size: 1.8rem; }
-  .markdown-preview h2 { font-size: 1.5rem; }
-  .markdown-preview h3 { font-size: 1.3rem; }
-  .markdown-preview h4 { font-size: 1.1rem; }
-  .markdown-preview ul, .markdown-preview ol {
-    margin-left: 1.5rem;
-    margin-bottom: 1rem;
-  }
-  .markdown-preview ul { list-style-type: disc; }
-  .markdown-preview ol { list-style-type: decimal; }
-  .markdown-preview pre {
-    background-color: rgba(0,0,0,0.05);
-    padding: 1rem;
-    border-radius: 0.5rem;
-    overflow-x: auto;
-    margin: 1rem 0;
-  }
-  .markdown-preview code {
-    font-family: 'JetBrains Mono', monospace;
-    font-size: 0.9em;
-    padding: 0.1em 0.3em;
-    border-radius: 0.3em;
-    background-color: rgba(0,0,0,0.05);
-  }
-  .markdown-preview pre code {
-    padding: 0;
-    background-color: transparent;
-  }
-  .markdown-preview blockquote {
-    border-left: 4px solid;
-    padding-left: 1rem;
-    margin-left: 0;
-    margin-right: 0;
-    margin-bottom: 1rem;
-    opacity: 0.8;
-  }
-  .dark .markdown-preview code {
-    background-color: rgba(255,255,255,0.1);
-  }
-  .dark .markdown-preview blockquote {
-    border-color: rgba(255,255,255,0.2);
-  }
-  .node-mention {
-    display: inline-flex;
-    align-items: center;
-    background-color: rgba(109, 40, 217, 0.1);
-    color: #6d28d9;
-    border-radius: 4px;
-    padding: 1px 6px;
-    font-size: 0.9em;
-    margin: 0 2px;
-    font-weight: 500;
-  }
-  .dark .node-mention {
-    background-color: rgba(167, 139, 250, 0.2);
-    color: #a78bfa;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Breadcrumb Navigation -->
-  <div class="mb-6 flex items-center text-sm">
-    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      <i class="fas fa-home mr-1"></i> Forum
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <a href="{{ url_for('forum_category', category_id=post.category_id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      {{ post.category.title }}
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    {% if post.parent_id %}
-    <a href="{{ url_for('forum_post', post_id=post.parent_id) }}" class="opacity-75 hover:opacity-100 transition-opacity truncate max-w-[200px]">
-      {{ post.parent.title }}
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    {% endif %}
-    <span class="font-medium">Beitrag bearbeiten</span>
-  </div>
-  
-  <!-- Formular-Header -->
-  <div class="mb-6">
-    <h1 class="text-2xl font-bold mb-2">Beitrag bearbeiten</h1>
-    <p class="opacity-75">
-      {% if post.parent_id %}
-      Antwort auf <span class="font-medium">{{ post.parent.title }}</span>
-      {% else %}
-      in der Kategorie <span class="font-medium">{{ post.category.title }}</span>
-      {% endif %}
-    </p>
-  </div>
-  
-  <!-- Formular -->
-  <div class="mb-8 rounded-xl overflow-hidden"
-       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
-    <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-      <i class="fas fa-edit mr-2"></i>
-      Beitrag bearbeiten
-    </div>
-    <div class="p-6">
-      <form action="{{ url_for('edit_post', post_id=post.id) }}" method="POST" x-data="{ 
-        title: '{{ post.title|safe }}', 
-        content: '{{ post.content|replace('\n', '\\n')|replace('\'', '\\\'')|safe }}',
-        showPreview: false,
-        previewHtml: '',
-        
-        updatePreview() {
-          // Verarbeite den Inhalt
-          if (this.content.trim() === '') {
-            this.previewHtml = '<div class=\'opacity-50 italic\'>Die Vorschau wird hier angezeigt...</div>';
-            return;
-          }
-          
-          // Verarbeite Markdown
-          let html = marked.parse(this.content);
-          
-          // Ersetze @Knotenname mit entsprechenden Links
-          html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class=\'node-mention\'><i class=\'fas fa-diagram-project fa-xs mr-1\'></i>$1</span>');
-          
-          this.previewHtml = html;
-        }
-      }">
-        <div class="mb-6">
-          <label for="title" class="block mb-2 font-medium">Titel</label>
-          <div class="rounded-lg overflow-hidden"
-               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
-            <input type="text" id="title" name="title" 
-                  class="w-full px-4 py-3" 
-                  x-bind:class="darkMode 
-                  ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
-                  : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
-                  x-model="title"
-                  required>
-          </div>
-        </div>
-        
-        <div class="mb-6">
-          <div class="flex justify-between items-center mb-2">
-            <label for="content" class="font-medium">Inhalt</label>
-            <div class="flex space-x-2">
-              <button type="button"
-                     class="px-3 py-1 rounded text-sm flex items-center"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
-                     @click="showPreview = false"
-                     x-bind:disabled="!showPreview"
-                     x-bind:class="{'opacity-50': !showPreview}">
-                <i class="fas fa-edit mr-1"></i> Bearbeiten
-              </button>
-              <button type="button"
-                     class="px-3 py-1 rounded text-sm flex items-center"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
-                     @click="updatePreview(); showPreview = true"
-                     x-bind:disabled="showPreview"
-                     x-bind:class="{'opacity-50': showPreview}">
-                <i class="fas fa-eye mr-1"></i> Vorschau
-              </button>
-            </div>
-          </div>
-          
-          <!-- Editor -->
-          <div class="rounded-lg overflow-hidden mb-2"
-               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'"
-               x-show="!showPreview">
-            <textarea id="content" name="content" rows="12" 
-                     class="w-full p-3 resize-y"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
-                     : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
-                     x-model="content"
-                     required></textarea>
-          </div>
-          
-          <!-- Preview -->
-          <div class="rounded-lg overflow-hidden mb-2 p-4 markdown-preview"
-               x-bind:class="darkMode 
-               ? 'border border-white/20 bg-gray-700/30' 
-               : 'border border-gray-300 bg-gray-50'"
-               x-show="showPreview"
-               x-html="previewHtml">
-          </div>
-          
-          <!-- Markdown-Hilfsmittel -->
-          <div class="mb-4" x-show="!showPreview">
-            <div class="text-xs opacity-70">
-              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
-              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
-              <div class="flex flex-wrap gap-2 mt-1">
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
-                  <i class="fas fa-bold"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
-                  <i class="fas fa-italic"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
-                  <i class="fas fa-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
-                  <i class="fas fa-link"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
-                  <i class="fas fa-file-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
-                  <i class="fas fa-quote-right"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
-                  <i class="fas fa-list-ul"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
-                  <i class="fas fa-list-ol"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
-                  <i class="fas fa-heading"></i>
-                </button>
-              </div>
-            </div>
-          </div>
-        </div>
-        
-        <div class="flex justify-between items-center">
-          <a href="{{ url_for('forum_post', post_id=post.parent_id or post.id) }}" 
-             class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-             x-bind:class="darkMode 
-             ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-             : 'bg-gray-200 hover:bg-gray-300 text-gray-700'">
-            Abbrechen
-          </a>
-          <button type="submit" 
-                 class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-                 x-bind:class="darkMode 
-                 ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
-                 : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
-            <i class="fas fa-save mr-2"></i>
-            Änderungen speichern
-          </button>
-        </div>
-      </form>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  document.addEventListener('DOMContentLoaded', function() {
-    // Markdown-Buttons für den Beitragseditor
-    document.querySelectorAll('.markdown-button').forEach(button => {
-      button.addEventListener('click', function() {
-        const textarea = document.getElementById('content');
-        const format = this.dataset.format;
-        const before = this.dataset.before || '';
-        const after = this.dataset.after || '';
-        
-        // Hole die aktuelle Auswahl
-        const start = textarea.selectionStart;
-        const end = textarea.selectionEnd;
-        const selection = textarea.value.substring(start, end);
-        
-        // Wende die Formatierung an
-        let formattedText;
-        if (format.includes('\n')) {
-          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
-          formattedText = format.replace('Code-Block', selection || 'Code-Block');
-        } else if (format.includes('[Link-Text](URL)')) {
-          formattedText = format.replace('Link-Text', selection || 'Link-Text');
-        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
-          // Für Listen und Überschriften: am Anfang der Zeile einfügen
-          const beforeSelection = textarea.value.substring(0, start);
-          const afterSelection = textarea.value.substring(end);
-          
-          // Finde den Anfang der aktuellen Zeile
-          const lastNewline = beforeSelection.lastIndexOf('\n');
-          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
-          
-          // Füge das Format am Zeilenanfang ein
-          formattedText = beforeSelection.substring(0, lineStart) + 
-                         format + 
-                         beforeSelection.substring(lineStart) + 
-                         selection + 
-                         afterSelection;
-          
-          // Setze die neue Cursor-Position
-          const newCursorPos = end + format.length;
-          textarea.value = formattedText;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-          
-          // Alpine.js Model aktualisieren
-          textarea.dispatchEvent(new Event('input'));
-          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
-        } else {
-          // Für einfache Formatierungen wie fett, kursiv, Code
-          formattedText = before + format + selection + format + after;
-        }
-        
-        // Ersetze den Text
-        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
-        
-        // Setze den Fokus zurück auf das Textarea
-        textarea.focus();
-        
-        // Alpine.js Model aktualisieren
-        textarea.dispatchEvent(new Event('input'));
-        
-        // Setze die Auswahl neu, wenn es eine Auswahl gab
-        if (selection) {
-          const newStart = start + before.length + format.length;
-          const newEnd = newStart + selection.length;
-          textarea.setSelectionRange(newStart, newEnd);
-        } else {
-          // Setze den Cursor in die Mitte von **|** oder `|`
-          const newCursorPos = start + before.length + format.length;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-        }
-      });
-    });
-  });
-</script>
-{% endblock %} 

templates/community/index.html

@@ -1,125 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}Community Forum{% endblock %}
-
-{% block extra_css %}
-<style>
-  .forum-category {
-    transition: all 0.3s ease;
-  }
-  .forum-category:hover {
-    transform: translateY(-2px);
-  }
-  .category-icon {
-    font-size: 1.5rem;
-    width: 2.5rem;
-    height: 2.5rem;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: 0.75rem;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Seitenüberschrift -->
-  <div class="mb-8 text-center">
-    <h1 class="text-3xl font-bold mb-2 gradient-text">Community Forum</h1>
-    <p class="text-lg opacity-75">Diskutiere mit anderen Nutzern über die Hauptthemenbereiche der Mindmap</p>
-  </div>
-  
-  <!-- Forumskategorien -->
-  <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
-    {% if categories_data %}
-      {% for cat_data in categories_data %}
-        <a href="{{ url_for('forum_category', category_id=cat_data.category.id) }}" class="forum-category block">
-          <div class="rounded-xl p-5 h-full" 
-               x-bind:class="darkMode ? 'bg-gray-800/60 hover:bg-gray-800/80 border border-white/10' : 'bg-white hover:bg-gray-50 border border-gray-200 shadow-md'">
-            <div class="flex items-start">
-              <!-- Kategorie-Icon -->
-              <div class="category-icon mr-4 text-white" 
-                   style="background-color: {{ cat_data.category.node.color_code or '#6d28d9' }}">
-                <i class="fas {{ cat_data.category.node.icon or 'fa-folder' }}"></i>
-              </div>
-              
-              <!-- Kategorie-Info -->
-              <div class="flex-grow">
-                <h3 class="text-xl font-semibold mb-2">{{ cat_data.category.title }}</h3>
-                <p class="opacity-75 text-sm mb-3">{{ cat_data.category.description }}</p>
-                
-                <!-- Statistik -->
-                <div class="flex flex-wrap gap-4 text-sm opacity-80">
-                  <div class="flex items-center">
-                    <i class="fas fa-comment-alt mr-2"></i>
-                    <span>{{ cat_data.total_posts }} Themen</span>
-                  </div>
-                  <div class="flex items-center">
-                    <i class="fas fa-reply mr-2"></i>
-                    <span>{{ cat_data.total_replies }} Antworten</span>
-                  </div>
-                  {% if cat_data.latest_post %}
-                  <div class="flex items-center">
-                    <i class="fas fa-clock mr-2"></i>
-                    <span>Neuster Beitrag: {{ cat_data.latest_post.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
-                  </div>
-                  {% endif %}
-                </div>
-              </div>
-              
-              <!-- Pfeil-Icon -->
-              <div class="ml-2">
-                <i class="fas fa-chevron-right opacity-50"></i>
-              </div>
-            </div>
-          </div>
-        </a>
-      {% endfor %}
-    {% else %}
-      <div class="col-span-2 text-center py-8">
-        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-exclamation-circle"></i></div>
-        <h3 class="text-xl font-semibold mb-2">Keine Forum-Kategorien gefunden</h3>
-        <p class="opacity-75">Es sind derzeit keine Kategorien für Diskussionen verfügbar.</p>
-      </div>
-    {% endif %}
-  </div>
-  
-  <!-- Hinweis zur Nutzung -->
-  <div class="rounded-xl p-6 text-center mb-8" 
-       x-bind:class="darkMode ? 'bg-indigo-900/30 border border-indigo-700/30' : 'bg-indigo-50 border border-indigo-100'">
-    <h3 class="text-xl font-semibold mb-3">
-      <i class="fas fa-lightbulb mr-2 text-yellow-500"></i>
-      So funktioniert das Forum
-    </h3>
-    <p class="mb-4">Das Community-Forum ist nach den Hauptknotenpunkten der Systades-Mindmap strukturiert. 
-      In deinen Beiträgen kannst du Knotenpunkte mit <code>@Knotenname</code> verlinken.</p>
-    <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mt-6">
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-users text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Fachliche Diskussionen</h4>
-        <p class="text-sm opacity-75">Tausche dich mit anderen zu spezifischen Themen aus</p>
-      </div>
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-link text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Wissensvernetzung</h4>
-        <p class="text-sm opacity-75">Verknüpfe Inhalte durch Knotenreferenzen</p>
-      </div>
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-markdown text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Markdown Support</h4>
-        <p class="text-sm opacity-75">Formatiere deine Beiträge mit Markdown</p>
-      </div>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  // Hier können bei Bedarf forumspezifische Scripts eingefügt werden
-</script>
-{% endblock %} 

templates/community/new_post.html

@@ -1,355 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}Neues Thema - {{ category.title }}{% endblock %}
-
-{% block extra_css %}
-<style>
-  .markdown-preview {
-    min-height: 200px;
-    max-height: 400px;
-    overflow-y: auto;
-    line-height: 1.6;
-  }
-  .markdown-preview p {
-    margin-bottom: 1rem;
-  }
-  .markdown-preview h1, .markdown-preview h2, .markdown-preview h3, 
-  .markdown-preview h4, .markdown-preview h5, .markdown-preview h6 {
-    margin-top: 1.5rem;
-    margin-bottom: 0.75rem;
-    font-weight: 600;
-  }
-  .markdown-preview h1 { font-size: 1.8rem; }
-  .markdown-preview h2 { font-size: 1.5rem; }
-  .markdown-preview h3 { font-size: 1.3rem; }
-  .markdown-preview h4 { font-size: 1.1rem; }
-  .markdown-preview ul, .markdown-preview ol {
-    margin-left: 1.5rem;
-    margin-bottom: 1rem;
-  }
-  .markdown-preview ul { list-style-type: disc; }
-  .markdown-preview ol { list-style-type: decimal; }
-  .markdown-preview pre {
-    background-color: rgba(0,0,0,0.05);
-    padding: 1rem;
-    border-radius: 0.5rem;
-    overflow-x: auto;
-    margin: 1rem 0;
-  }
-  .markdown-preview code {
-    font-family: 'JetBrains Mono', monospace;
-    font-size: 0.9em;
-    padding: 0.1em 0.3em;
-    border-radius: 0.3em;
-    background-color: rgba(0,0,0,0.05);
-  }
-  .markdown-preview pre code {
-    padding: 0;
-    background-color: transparent;
-  }
-  .markdown-preview blockquote {
-    border-left: 4px solid;
-    padding-left: 1rem;
-    margin-left: 0;
-    margin-right: 0;
-    margin-bottom: 1rem;
-    opacity: 0.8;
-  }
-  .dark .markdown-preview code {
-    background-color: rgba(255,255,255,0.1);
-  }
-  .dark .markdown-preview blockquote {
-    border-color: rgba(255,255,255,0.2);
-  }
-  .node-mention {
-    display: inline-flex;
-    align-items: center;
-    background-color: rgba(109, 40, 217, 0.1);
-    color: #6d28d9;
-    border-radius: 4px;
-    padding: 1px 6px;
-    font-size: 0.9em;
-    margin: 0 2px;
-    font-weight: 500;
-  }
-  .dark .node-mention {
-    background-color: rgba(167, 139, 250, 0.2);
-    color: #a78bfa;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Breadcrumb Navigation -->
-  <div class="mb-6 flex items-center text-sm">
-    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      <i class="fas fa-home mr-1"></i> Forum
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <a href="{{ url_for('forum_category', category_id=category.id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      {{ category.title }}
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <span class="font-medium">Neues Thema</span>
-  </div>
-  
-  <!-- Formular-Header -->
-  <div class="mb-6">
-    <h1 class="text-2xl font-bold mb-2">Neues Thema erstellen</h1>
-    <p class="opacity-75">in der Kategorie <span class="font-medium">{{ category.title }}</span></p>
-  </div>
-  
-  <!-- Formular -->
-  <div class="mb-8 rounded-xl overflow-hidden"
-       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
-    <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-      <i class="fas fa-plus-circle mr-2"></i>
-      Neues Thema
-    </div>
-    <div class="p-6">
-      <form action="{{ url_for('new_post', category_id=category.id) }}" method="POST" x-data="{ 
-        title: '', 
-        content: '',
-        showPreview: false,
-        previewHtml: '',
-        
-        updatePreview() {
-          // Verarbeite den Inhalt
-          if (this.content.trim() === '') {
-            this.previewHtml = '<div class=\'opacity-50 italic\'>Die Vorschau wird hier angezeigt...</div>';
-            return;
-          }
-          
-          // Verarbeite Markdown
-          let html = marked.parse(this.content);
-          
-          // Ersetze @Knotenname mit entsprechenden Links
-          html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class=\'node-mention\'><i class=\'fas fa-diagram-project fa-xs mr-1\'></i>$1</span>');
-          
-          this.previewHtml = html;
-        }
-      }">
-        <div class="mb-6">
-          <label for="title" class="block mb-2 font-medium">Titel des Themas</label>
-          <div class="rounded-lg overflow-hidden"
-               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
-            <input type="text" id="title" name="title" 
-                  class="w-full px-4 py-3" 
-                  x-bind:class="darkMode 
-                  ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
-                  : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
-                  placeholder="Ein prägnanter Titel für dein Thema"
-                  x-model="title"
-                  required>
-          </div>
-        </div>
-        
-        <div class="mb-6">
-          <div class="flex justify-between items-center mb-2">
-            <label for="content" class="font-medium">Inhalt</label>
-            <div class="flex space-x-2">
-              <button type="button"
-                     class="px-3 py-1 rounded text-sm flex items-center"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
-                     @click="showPreview = false"
-                     x-bind:disabled="!showPreview"
-                     x-bind:class="{'opacity-50': !showPreview}">
-                <i class="fas fa-edit mr-1"></i> Bearbeiten
-              </button>
-              <button type="button"
-                     class="px-3 py-1 rounded text-sm flex items-center"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
-                     @click="updatePreview(); showPreview = true"
-                     x-bind:disabled="showPreview"
-                     x-bind:class="{'opacity-50': showPreview}">
-                <i class="fas fa-eye mr-1"></i> Vorschau
-              </button>
-            </div>
-          </div>
-          
-          <!-- Editor -->
-          <div class="rounded-lg overflow-hidden mb-2"
-               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'"
-               x-show="!showPreview">
-            <textarea id="content" name="content" rows="12" 
-                     class="w-full p-3 resize-y"
-                     x-bind:class="darkMode 
-                     ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
-                     : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
-                     placeholder="Schreibe deinen Beitrag hier (unterstützt Markdown und @Knotenname-Erwähnungen)..."
-                     x-model="content"
-                     required></textarea>
-          </div>
-          
-          <!-- Preview -->
-          <div class="rounded-lg overflow-hidden mb-2 p-4 markdown-preview"
-               x-bind:class="darkMode 
-               ? 'border border-white/20 bg-gray-700/30' 
-               : 'border border-gray-300 bg-gray-50'"
-               x-show="showPreview"
-               x-html="previewHtml">
-          </div>
-          
-          <!-- Markdown-Hilfsmittel -->
-          <div class="mb-4" x-show="!showPreview">
-            <div class="text-xs opacity-70">
-              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
-              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
-              <div class="flex flex-wrap gap-2 mt-1">
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
-                  <i class="fas fa-bold"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
-                  <i class="fas fa-italic"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
-                  <i class="fas fa-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
-                  <i class="fas fa-link"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
-                  <i class="fas fa-file-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
-                  <i class="fas fa-quote-right"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
-                  <i class="fas fa-list-ul"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
-                  <i class="fas fa-list-ol"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
-                  <i class="fas fa-heading"></i>
-                </button>
-              </div>
-            </div>
-          </div>
-        </div>
-        
-        <div class="flex justify-between items-center">
-          <a href="{{ url_for('forum_category', category_id=category.id) }}" 
-             class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-             x-bind:class="darkMode 
-             ? 'bg-gray-700 hover:bg-gray-600 text-white' 
-             : 'bg-gray-200 hover:bg-gray-300 text-gray-700'">
-            Abbrechen
-          </a>
-          <button type="submit" 
-                 class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-                 x-bind:class="darkMode 
-                 ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
-                 : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
-            <i class="fas fa-paper-plane mr-2"></i>
-            Thema erstellen
-          </button>
-        </div>
-      </form>
-    </div>
-  </div>
-  
-  <!-- Link zur Mindmap -->
-  <div class="rounded-xl p-5 mb-4 flex items-center"
-       x-bind:class="darkMode ? 'bg-purple-900/20 border border-purple-800/30' : 'bg-purple-50 border border-purple-100'">
-    <div class="text-3xl mr-4 opacity-80">
-      <i class="fas fa-diagram-project" style="color: {{ category.node.color_code }}"></i>
-    </div>
-    <div>
-      <h3 class="font-medium mb-1">Mindmap-Knotenpunkt: {{ category.node.name }}</h3>
-      <p class="text-sm opacity-75">Dieser Diskussionsbereich ist mit dem Mindmap-Knotenpunkt "{{ category.node.name }}" verknüpft.</p>
-    </div>
-    <div class="ml-auto">
-      <a href="{{ url_for('mindmap') }}" 
-         class="px-4 py-2 rounded-lg inline-block text-sm transition-all"
-         x-bind:class="darkMode 
-         ? 'bg-purple-800/60 hover:bg-purple-700/60 text-white' 
-         : 'bg-white hover:bg-purple-100 text-purple-800 border border-purple-200'">
-        Zur Mindmap
-      </a>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  document.addEventListener('DOMContentLoaded', function() {
-    // Markdown-Buttons für den Beitragseditor
-    document.querySelectorAll('.markdown-button').forEach(button => {
-      button.addEventListener('click', function() {
-        const textarea = document.getElementById('content');
-        const format = this.dataset.format;
-        const before = this.dataset.before || '';
-        const after = this.dataset.after || '';
-        
-        // Hole die aktuelle Auswahl
-        const start = textarea.selectionStart;
-        const end = textarea.selectionEnd;
-        const selection = textarea.value.substring(start, end);
-        
-        // Wende die Formatierung an
-        let formattedText;
-        if (format.includes('\n')) {
-          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
-          formattedText = format.replace('Code-Block', selection || 'Code-Block');
-        } else if (format.includes('[Link-Text](URL)')) {
-          formattedText = format.replace('Link-Text', selection || 'Link-Text');
-        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
-          // Für Listen und Überschriften: am Anfang der Zeile einfügen
-          const beforeSelection = textarea.value.substring(0, start);
-          const afterSelection = textarea.value.substring(end);
-          
-          // Finde den Anfang der aktuellen Zeile
-          const lastNewline = beforeSelection.lastIndexOf('\n');
-          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
-          
-          // Füge das Format am Zeilenanfang ein
-          formattedText = beforeSelection.substring(0, lineStart) + 
-                         format + 
-                         beforeSelection.substring(lineStart) + 
-                         selection + 
-                         afterSelection;
-          
-          // Setze die neue Cursor-Position
-          const newCursorPos = end + format.length;
-          textarea.value = formattedText;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-          
-          // Alpine.js Model aktualisieren
-          textarea.dispatchEvent(new Event('input'));
-          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
-        } else {
-          // Für einfache Formatierungen wie fett, kursiv, Code
-          formattedText = before + format + selection + format + after;
-        }
-        
-        // Ersetze den Text
-        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
-        
-        // Setze den Fokus zurück auf das Textarea
-        textarea.focus();
-        
-        // Alpine.js Model aktualisieren
-        textarea.dispatchEvent(new Event('input'));
-        
-        // Setze die Auswahl neu, wenn es eine Auswahl gab
-        if (selection) {
-          const newStart = start + before.length + format.length;
-          const newEnd = newStart + selection.length;
-          textarea.setSelectionRange(newStart, newEnd);
-        } else {
-          // Setze den Cursor in die Mitte von **|** oder `|`
-          const newCursorPos = start + before.length + format.length;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-        }
-      });
-    });
-  });
-</script>
-{% endblock %} 

templates/community/post.html

@@ -1,511 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}{{ post.title }} - Forum{% endblock %}
-
-{% block extra_css %}
-<style>
-  .post-content {
-    line-height: 1.7;
-  }
-  .post-content p {
-    margin-bottom: 1rem;
-  }
-  .post-content h1, .post-content h2, .post-content h3, 
-  .post-content h4, .post-content h5, .post-content h6 {
-    margin-top: 1.5rem;
-    margin-bottom: 0.75rem;
-    font-weight: 600;
-  }
-  .post-content h1 { font-size: 1.8rem; }
-  .post-content h2 { font-size: 1.5rem; }
-  .post-content h3 { font-size: 1.3rem; }
-  .post-content h4 { font-size: 1.1rem; }
-  .post-content ul, .post-content ol {
-    margin-left: 1.5rem;
-    margin-bottom: 1rem;
-  }
-  .post-content ul { list-style-type: disc; }
-  .post-content ol { list-style-type: decimal; }
-  .post-content pre {
-    background-color: rgba(0,0,0,0.05);
-    padding: 1rem;
-    border-radius: 0.5rem;
-    overflow-x: auto;
-    margin: 1rem 0;
-  }
-  .post-content code {
-    font-family: 'JetBrains Mono', monospace;
-    font-size: 0.9em;
-    padding: 0.1em 0.3em;
-    border-radius: 0.3em;
-    background-color: rgba(0,0,0,0.05);
-  }
-  .post-content pre code {
-    padding: 0;
-    background-color: transparent;
-  }
-  .post-content blockquote {
-    border-left: 4px solid;
-    padding-left: 1rem;
-    margin-left: 0;
-    margin-right: 0;
-    margin-bottom: 1rem;
-    opacity: 0.8;
-  }
-  .post-content img {
-    max-width: 100%;
-    height: auto;
-    border-radius: 0.5rem;
-    margin: 1rem 0;
-  }
-  .post-content table {
-    width: 100%;
-    border-collapse: collapse;
-    margin: 1rem 0;
-  }
-  .post-content th, .post-content td {
-    padding: 0.5rem;
-    border: 1px solid;
-    border-color: rgba(0,0,0,0.1);
-  }
-  .post-content th {
-    background-color: rgba(0,0,0,0.05);
-  }
-  .post-content a {
-    color: #6d28d9;
-    text-decoration: none;
-  }
-  .post-content a:hover {
-    text-decoration: underline;
-  }
-  .dark .post-content code {
-    background-color: rgba(255,255,255,0.1);
-  }
-  .dark .post-content th, .dark .post-content td {
-    border-color: rgba(255,255,255,0.1);
-  }
-  .dark .post-content th {
-    background-color: rgba(255,255,255,0.05);
-  }
-  .dark .post-content a {
-    color: #a78bfa;
-  }
-  .node-mention {
-    display: inline-flex;
-    align-items: center;
-    background-color: rgba(109, 40, 217, 0.1);
-    color: #6d28d9;
-    border-radius: 4px;
-    padding: 1px 6px;
-    font-size: 0.9em;
-    margin: 0 2px;
-    font-weight: 500;
-  }
-  .dark .node-mention {
-    background-color: rgba(167, 139, 250, 0.2);
-    color: #a78bfa;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Breadcrumb Navigation -->
-  <div class="mb-6 flex items-center text-sm">
-    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      <i class="fas fa-home mr-1"></i> Forum
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <a href="{{ url_for('forum_category', category_id=category.id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
-      {{ category.title }}
-    </a>
-    <span class="mx-2 opacity-50">/</span>
-    <span class="font-medium truncate max-w-[300px]">{{ post.title }}</span>
-  </div>
-  
-  <!-- Beitrags-Header -->
-  <div class="mb-6">
-    <h1 class="text-2xl font-bold mb-2">{{ post.title }}</h1>
-    <div class="flex flex-wrap items-center gap-3 text-sm opacity-75">
-      <span><i class="fas fa-calendar-alt mr-1"></i> {{ post.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
-      <span><i class="fas fa-eye mr-1"></i> {{ post.view_count }} Aufrufe</span>
-      <span><i class="fas fa-reply mr-1"></i> {{ replies|length }} Antworten</span>
-      
-      {% if post.is_pinned or post.is_locked %}
-      <div class="flex gap-2 ml-2">
-        {% if post.is_pinned %}
-        <span class="px-2 py-0.5 text-xs rounded-full"
-              x-bind:class="darkMode ? 'bg-yellow-700/50 text-yellow-300' : 'bg-yellow-100 text-yellow-800'">
-          <i class="fas fa-thumbtack mr-1"></i> Angepinnt
-        </span>
-        {% endif %}
-        {% if post.is_locked %}
-        <span class="px-2 py-0.5 text-xs rounded-full"
-              x-bind:class="darkMode ? 'bg-red-700/50 text-red-300' : 'bg-red-100 text-red-800'">
-          <i class="fas fa-lock mr-1"></i> Gesperrt
-        </span>
-        {% endif %}
-      </div>
-      {% endif %}
-    </div>
-  </div>
-  
-  <!-- Hauptbeitrag -->
-  <div class="mb-8 rounded-xl overflow-hidden"
-       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200 shadow-sm'">
-    <!-- Beitrags-Header -->
-    <div class="p-4 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-      <div class="flex items-center justify-between">
-        <div class="flex items-center">
-          <!-- Autor-Avatar -->
-          <div class="w-10 h-10 rounded-full flex items-center justify-center text-white font-medium text-sm overflow-hidden mr-3" 
-               style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
-            {% if post.author.avatar %}
-              <img src="{{ post.author.avatar }}" alt="{{ post.author.username }}" class="w-full h-full object-cover">
-            {% else %}
-              <svg width="100%" height="100%" viewBox="0 0 200 200" fill="none" xmlns="http://www.w3.org/2000/svg">
-                <circle cx="100" cy="100" r="98" fill="url(#post-avatar-gradient)" stroke="#7C3AED" stroke-width="4"/>
-                <circle cx="100" cy="80" r="36" fill="white"/>
-                <path d="M100 140C77.9086 140 60 157.909 60 180H140C140 157.909 122.091 140 100 140Z" fill="white"/>
-                <defs>
-                  <linearGradient id="post-avatar-gradient" x1="0" y1="0" x2="200" y2="200" gradientUnits="userSpaceOnUse">
-                    <stop offset="0" stop-color="#8B5CF6"/>
-                    <stop offset="1" stop-color="#3B82F6"/>
-                  </linearGradient>
-                </defs>
-              </svg>
-            {% endif %}
-          </div>
-          
-          <!-- Autor-Info -->
-          <div>
-            <div class="font-medium">{{ post.author.username }}</div>
-            <div class="text-xs opacity-70">Erstellt am {{ post.created_at.strftime('%d.%m.%Y, %H:%M') }}</div>
-          </div>
-        </div>
-        
-        <!-- Aktionen -->
-        <div class="flex items-center space-x-2">
-          {% if current_user.id == post.user_id or current_user.role == 'admin' %}
-            <a href="{{ url_for('edit_post', post_id=post.id) }}" 
-               class="p-2 rounded transition-colors"
-               x-bind:class="darkMode 
-               ? 'hover:bg-gray-700/50 text-gray-300' 
-               : 'hover:bg-gray-100 text-gray-600'">
-              <i class="fas fa-edit"></i>
-            </a>
-            <form action="{{ url_for('delete_post', post_id=post.id) }}" method="POST" class="inline" onsubmit="return confirm('Möchtest du diesen Beitrag wirklich löschen?');">
-              <button type="submit" 
-                     class="p-2 rounded transition-colors"
-                     x-bind:class="darkMode 
-                     ? 'hover:bg-red-800/50 text-red-300' 
-                     : 'hover:bg-red-100 text-red-600'">
-                <i class="fas fa-trash-alt"></i>
-              </button>
-            </form>
-          {% endif %}
-          
-          <!-- Moderation-Optionen -->
-          {% if current_user.role in ['admin', 'moderator'] %}
-            <div class="ml-2 border-l" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'"></div>
-            <form action="{{ url_for('toggle_pin_post', post_id=post.id) }}" method="POST" class="inline">
-              <button type="submit" 
-                    class="p-2 rounded transition-colors"
-                    x-bind:class="darkMode 
-                    ? 'hover:bg-yellow-800/50 text-yellow-300' 
-                    : 'hover:bg-yellow-100 text-yellow-600'"
-                    title="{% if post.is_pinned %}Nicht mehr anpinnen{% else %}Anpinnen{% endif %}">
-                <i class="fas fa-thumbtack"></i>
-              </button>
-            </form>
-            <form action="{{ url_for('toggle_lock_post', post_id=post.id) }}" method="POST" class="inline">
-              <button type="submit" 
-                    class="p-2 rounded transition-colors"
-                    x-bind:class="darkMode 
-                    ? 'hover:bg-blue-800/50 text-blue-300' 
-                    : 'hover:bg-blue-100 text-blue-600'"
-                    title="{% if post.is_locked %}Entsperren{% else %}Sperren{% endif %}">
-                <i class="fas {% if post.is_locked %}fa-unlock{% else %}fa-lock{% endif %}"></i>
-              </button>
-            </form>
-          {% endif %}
-        </div>
-      </div>
-    </div>
-    
-    <!-- Beitrags-Inhalt -->
-    <div class="p-6">
-      <div class="post-content markdown-content" id="main-post-content">
-        {{ post.content|safe }}
-      </div>
-      
-      {% if post.updated_at and post.updated_at != post.created_at %}
-        <div class="mt-6 pt-4 text-xs opacity-60 border-t" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-          <i class="fas fa-edit mr-1"></i> Zuletzt bearbeitet: {{ post.updated_at.strftime('%d.%m.%Y, %H:%M') }}
-        </div>
-      {% endif %}
-    </div>
-  </div>
-  
-  <!-- Antworten-Bereich -->
-  <div class="mb-8">
-    <h2 class="text-xl font-semibold mb-4">
-      <i class="fas fa-reply mr-2 opacity-60"></i>
-      {{ replies|length }} Antworten
-    </h2>
-    
-    <!-- Antworten-Liste -->
-    {% if replies %}
-      {% for reply in replies %}
-        <div class="mb-5 rounded-xl overflow-hidden"
-            x-bind:class="darkMode ? 'bg-gray-800/40 border border-white/10' : 'bg-white border border-gray-200'">
-          <!-- Antwort-Header -->
-          <div class="p-3 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-            <div class="flex items-center justify-between">
-              <div class="flex items-center">
-                <!-- Autor-Avatar -->
-                <div class="w-8 h-8 rounded-full flex items-center justify-center text-white font-medium text-xs overflow-hidden mr-3" 
-                    style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
-                  {% if reply.author.avatar %}
-                    <img src="{{ reply.author.avatar }}" alt="{{ reply.author.username }}" class="w-full h-full object-cover">
-                  {% else %}
-                    <svg width="100%" height="100%" viewBox="0 0 200 200" fill="none" xmlns="http://www.w3.org/2000/svg">
-                      <circle cx="100" cy="100" r="98" fill="url(#reply-avatar-gradient)" stroke="#7C3AED" stroke-width="4"/>
-                      <circle cx="100" cy="80" r="36" fill="white"/>
-                      <path d="M100 140C77.9086 140 60 157.909 60 180H140C140 157.909 122.091 140 100 140Z" fill="white"/>
-                      <defs>
-                        <linearGradient id="reply-avatar-gradient" x1="0" y1="0" x2="200" y2="200" gradientUnits="userSpaceOnUse">
-                          <stop offset="0" stop-color="#8B5CF6"/>
-                          <stop offset="1" stop-color="#3B82F6"/>
-                        </linearGradient>
-                      </defs>
-                    </svg>
-                  {% endif %}
-                </div>
-                
-                <!-- Autor-Info -->
-                <div>
-                  <div class="font-medium text-sm">{{ reply.author.username }}</div>
-                  <div class="text-xs opacity-70">{{ reply.created_at.strftime('%d.%m.%Y, %H:%M') }}</div>
-                </div>
-              </div>
-              
-              <!-- Aktionen -->
-              <div class="flex items-center space-x-1">
-                {% if current_user.id == reply.user_id or current_user.role == 'admin' %}
-                  <a href="{{ url_for('edit_post', post_id=reply.id) }}" 
-                    class="p-1.5 rounded text-sm transition-colors"
-                    x-bind:class="darkMode 
-                    ? 'hover:bg-gray-700/50 text-gray-300' 
-                    : 'hover:bg-gray-100 text-gray-600'">
-                    <i class="fas fa-edit"></i>
-                  </a>
-                  <form action="{{ url_for('delete_post', post_id=reply.id) }}" method="POST" class="inline" onsubmit="return confirm('Möchtest du diese Antwort wirklich löschen?');">
-                    <button type="submit" 
-                          class="p-1.5 rounded text-sm transition-colors"
-                          x-bind:class="darkMode 
-                          ? 'hover:bg-red-800/50 text-red-300' 
-                          : 'hover:bg-red-100 text-red-600'">
-                      <i class="fas fa-trash-alt"></i>
-                    </button>
-                  </form>
-                {% endif %}
-              </div>
-            </div>
-          </div>
-          
-          <!-- Antwort-Inhalt -->
-          <div class="p-5">
-            <div class="post-content markdown-content reply-content" id="reply-content-{{ reply.id }}">
-              {{ reply.content|safe }}
-            </div>
-            
-            {% if reply.updated_at and reply.updated_at != reply.created_at %}
-              <div class="mt-4 pt-3 text-xs opacity-60 border-t" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-                <i class="fas fa-edit mr-1"></i> Zuletzt bearbeitet: {{ reply.updated_at.strftime('%d.%m.%Y, %H:%M') }}
-              </div>
-            {% endif %}
-          </div>
-        </div>
-      {% endfor %}
-    {% else %}
-      <div class="rounded-xl p-6 text-center"
-           x-bind:class="darkMode ? 'bg-gray-800/40 border border-white/10' : 'bg-white border border-gray-200'">
-        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-comments"></i></div>
-        <h3 class="text-lg font-semibold mb-2">Noch keine Antworten</h3>
-        <p class="opacity-75">Sei der Erste, der auf diesen Beitrag antwortet!</p>
-      </div>
-    {% endif %}
-  </div>
-  
-  <!-- Antwort-Formular -->
-  {% if not post.is_locked %}
-    <div class="mb-8 rounded-xl overflow-hidden"
-         x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
-      <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
-        <i class="fas fa-reply mr-2"></i>
-        Antworten
-      </div>
-      <div class="p-6">
-        <form action="{{ url_for('reply_to_post', post_id=post.id) }}" method="POST">
-          <div class="mb-4">
-            <label for="content" class="block mb-2 font-medium">Deine Antwort</label>
-            <div class="mb-2 rounded-lg overflow-hidden"
-                 x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
-              <textarea id="content" name="content" rows="6" 
-                       class="w-full p-3 resize-y"
-                       x-bind:class="darkMode 
-                       ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
-                       : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
-                       placeholder="Schreibe deine Antwort hier (unterstützt Markdown und @Knotenname-Erwähnungen)..."
-                      required></textarea>
-            </div>
-            <div class="text-xs opacity-70">
-              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
-              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
-              <div class="flex flex-wrap gap-2 mt-1">
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
-                  <i class="fas fa-bold"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
-                  <i class="fas fa-italic"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
-                  <i class="fas fa-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
-                  <i class="fas fa-link"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
-                  <i class="fas fa-file-code"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
-                  <i class="fas fa-quote-right"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
-                  <i class="fas fa-list-ul"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
-                  <i class="fas fa-list-ol"></i>
-                </button>
-                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
-                  <i class="fas fa-heading"></i>
-                </button>
-              </div>
-            </div>
-          </div>
-          <div>
-            <button type="submit" 
-                   class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
-                   x-bind:class="darkMode 
-                   ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
-                   : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
-              <i class="fas fa-paper-plane mr-2"></i>
-              Antwort senden
-            </button>
-          </div>
-        </form>
-      </div>
-    </div>
-  {% else %}
-    <div class="rounded-xl p-5 text-center mb-6"
-         x-bind:class="darkMode ? 'bg-red-900/20 border border-red-800/30' : 'bg-red-50 border border-red-100'">
-      <i class="fas fa-lock mr-2 text-red-500"></i>
-      <span>Dieser Beitrag ist geschlossen. Es können keine neuen Antworten mehr verfasst werden.</span>
-    </div>
-  {% endif %}
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  document.addEventListener('DOMContentLoaded', function() {
-    // Markdown und Knotenerwähnungen verarbeiten
-    const processContent = (content) => {
-      // Verarbeite Markdown mit marked.js
-      let html = marked.parse(content);
-      
-      // Ersetze @Knotenname mit entsprechenden Links
-      html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class="node-mention"><i class="fas fa-diagram-project fa-xs mr-1"></i>$1</span>');
-      
-      return html;
-    };
-    
-    // Markdown-Inhalt für Hauptbeitrag rendern
-    const mainPostContent = document.getElementById('main-post-content');
-    if (mainPostContent) {
-      mainPostContent.innerHTML = processContent(mainPostContent.textContent.trim());
-    }
-    
-    // Markdown-Inhalt für Antworten rendern
-    document.querySelectorAll('.reply-content').forEach(reply => {
-      reply.innerHTML = processContent(reply.textContent.trim());
-    });
-    
-    // Markdown-Buttons für das Antwortformular
-    document.querySelectorAll('.markdown-button').forEach(button => {
-      button.addEventListener('click', function() {
-        const textarea = document.getElementById('content');
-        const format = this.dataset.format;
-        const before = this.dataset.before || '';
-        const after = this.dataset.after || '';
-        
-        // Hole die aktuelle Auswahl
-        const start = textarea.selectionStart;
-        const end = textarea.selectionEnd;
-        const selection = textarea.value.substring(start, end);
-        
-        // Wende die Formatierung an
-        let formattedText;
-        if (format.includes('\n')) {
-          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
-          formattedText = format.replace('Code-Block', selection || 'Code-Block');
-        } else if (format.includes('[Link-Text](URL)')) {
-          formattedText = format.replace('Link-Text', selection || 'Link-Text');
-        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
-          // Für Listen und Überschriften: am Anfang der Zeile einfügen
-          const beforeSelection = textarea.value.substring(0, start);
-          const afterSelection = textarea.value.substring(end);
-          
-          // Finde den Anfang der aktuellen Zeile
-          const lastNewline = beforeSelection.lastIndexOf('\n');
-          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
-          
-          // Füge das Format am Zeilenanfang ein
-          formattedText = beforeSelection.substring(0, lineStart) + 
-                         format + 
-                         beforeSelection.substring(lineStart) + 
-                         selection + 
-                         afterSelection;
-          
-          // Setze die neue Cursor-Position
-          const newCursorPos = end + format.length;
-          textarea.value = formattedText;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
-        } else {
-          // Für einfache Formatierungen wie fett, kursiv, Code
-          formattedText = before + format + selection + format + after;
-        }
-        
-        // Ersetze den Text
-        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
-        
-        // Setze den Fokus zurück auf das Textarea
-        textarea.focus();
-        
-        // Setze die Auswahl neu, wenn es eine Auswahl gab
-        if (selection) {
-          const newStart = start + before.length + format.length;
-          const newEnd = newStart + selection.length;
-          textarea.setSelectionRange(newStart, newEnd);
-        } else {
-          // Setze den Cursor in die Mitte von **|** oder `|`
-          const newCursorPos = start + before.length + format.length;
-          textarea.setSelectionRange(newCursorPos, newCursorPos);
-        }
-      });
-    });
-  });
-</script>
-{% endblock %} 

templates/community/preview.html

@@ -1,137 +0,0 @@
-{% extends 'base.html' %}
-
-{% block title %}Community Forum Vorschau{% endblock %}
-
-{% block extra_css %}
-<style>
-  .forum-category {
-    transition: all 0.3s ease;
-  }
-  .forum-category:hover {
-    transform: translateY(-2px);
-  }
-  .category-icon {
-    font-size: 1.5rem;
-    width: 2.5rem;
-    height: 2.5rem;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: 0.75rem;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8">
-  <!-- Seitenüberschrift -->
-  <div class="mb-8 text-center">
-    <h1 class="text-3xl font-bold mb-2 gradient-text">Community Forum</h1>
-    <p class="text-lg opacity-75">Diskutiere mit anderen Nutzern über die Hauptthemenbereiche der Mindmap</p>
-  </div>
-  
-  <!-- Login-Aufforderung -->
-  <div class="rounded-xl p-6 text-center mb-8 bg-indigo-50 dark:bg-indigo-900/30 border border-indigo-100 dark:border-indigo-700/30">
-    <h3 class="text-xl font-semibold mb-3">
-      <i class="fas fa-lock mr-2 text-indigo-500"></i>
-      Anmeldung erforderlich
-    </h3>
-    <p class="mb-4">Um am Community-Forum teilzunehmen und alle Funktionen nutzen zu können, musst du dich anmelden oder registrieren.</p>
-    <div class="flex justify-center gap-4 mt-4">
-      <a href="{{ url_for('login', next=url_for('forum')) }}" class="px-4 py-2 bg-indigo-500 hover:bg-indigo-600 text-white rounded-lg transition-colors">
-        <i class="fas fa-sign-in-alt mr-2"></i>Anmelden
-      </a>
-      <a href="{{ url_for('register') }}" class="px-4 py-2 bg-purple-500 hover:bg-purple-600 text-white rounded-lg transition-colors">
-        <i class="fas fa-user-plus mr-2"></i>Registrieren
-      </a>
-    </div>
-  </div>
-  
-  <!-- Forumskategorien Vorschau -->
-  <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
-    {% if categories_data %}
-      {% for cat_data in categories_data %}
-        <div class="forum-category block">
-          <div class="rounded-xl p-5 h-full" 
-               x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200 shadow-md'">
-            <div class="flex items-start">
-              <!-- Kategorie-Icon -->
-              <div class="category-icon mr-4 text-white" 
-                   style="background-color: {{ cat_data.category.node.color_code or '#6d28d9' }}">
-                <i class="fas {{ cat_data.category.node.icon or 'fa-folder' }}"></i>
-              </div>
-              
-              <!-- Kategorie-Info -->
-              <div class="flex-grow">
-                <h3 class="text-xl font-semibold mb-2">{{ cat_data.category.title }}</h3>
-                <p class="opacity-75 text-sm mb-3">{{ cat_data.category.description }}</p>
-                
-                <!-- Statistik -->
-                <div class="flex flex-wrap gap-4 text-sm opacity-80">
-                  <div class="flex items-center">
-                    <i class="fas fa-comment-alt mr-2"></i>
-                    <span>{{ cat_data.total_posts }} Themen</span>
-                  </div>
-                  <div class="flex items-center">
-                    <i class="fas fa-reply mr-2"></i>
-                    <span>{{ cat_data.total_replies }} Antworten</span>
-                  </div>
-                </div>
-              </div>
-              
-              <!-- Pfeil-Icon -->
-              <div class="ml-2">
-                <i class="fas fa-lock opacity-50"></i>
-              </div>
-            </div>
-          </div>
-        </div>
-      {% endfor %}
-    {% else %}
-      <div class="col-span-2 text-center py-8">
-        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-exclamation-circle"></i></div>
-        <h3 class="text-xl font-semibold mb-2">Keine Forum-Kategorien gefunden</h3>
-        <p class="opacity-75">Es sind derzeit keine Kategorien für Diskussionen verfügbar.</p>
-      </div>
-    {% endif %}
-  </div>
-  
-  <!-- Hinweis zur Nutzung -->
-  <div class="rounded-xl p-6 text-center mb-8" 
-       x-bind:class="darkMode ? 'bg-indigo-900/30 border border-indigo-700/30' : 'bg-indigo-50 border border-indigo-100'">
-    <h3 class="text-xl font-semibold mb-3">
-      <i class="fas fa-lightbulb mr-2 text-yellow-500"></i>
-      So funktioniert das Forum
-    </h3>
-    <p class="mb-4">Das Community-Forum ist nach den Hauptknotenpunkten der Systades-Mindmap strukturiert. 
-      In deinen Beiträgen kannst du Knotenpunkte mit <code>@Knotenname</code> verlinken.</p>
-    
-    <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mt-6">
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-users text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Fachliche Diskussionen</h4>
-        <p class="text-sm opacity-75">Tausche dich mit anderen zu spezifischen Themen aus</p>
-      </div>
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-link text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Wissensvernetzung</h4>
-        <p class="text-sm opacity-75">Verknüpfe Inhalte durch Knotenreferenzen</p>
-      </div>
-      <div class="p-4 rounded-lg" 
-           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
-        <div class="text-2xl mb-2"><i class="fas fa-markdown text-indigo-400"></i></div>
-        <h4 class="font-medium mb-1">Markdown Support</h4>
-        <p class="text-sm opacity-75">Formatiere deine Beiträge mit Markdown</p>
-      </div>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block scripts %}
-<script>
-  // Hier können bei Bedarf forumspezifische Scripts eingefügt werden
-</script>
-{% endblock %} 

templates/create_mindmap.html

@@ -1,365 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Mindmap erstellen{% endblock %}
-
-{% block extra_css %}
-<style>
-  /* Spezifische Stile für die Mindmap-Erstellungsseite */
-  .form-container {
-    background-color: var(--bg-secondary);
-    border-radius: 12px;
-    overflow: hidden;
-    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
-    transition: all 0.3s ease;
-  }
-  
-  body.dark .form-container {
-    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
-    border: 1px solid rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .form-container {
-    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
-    border: 1px solid rgba(0, 0, 0, 0.05);
-  }
-  
-  .form-header {
-    padding: 1.5rem;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .form-header {
-    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
-  }
-  
-  .form-body {
-    padding: 1.5rem;
-  }
-  
-  .form-group {
-    margin-bottom: 1.5rem;
-  }
-  
-  .form-label {
-    display: block;
-    margin-bottom: 0.5rem;
-    font-weight: 500;
-  }
-  
-  .form-input,
-  .form-textarea {
-    width: 100%;
-    padding: 0.75rem 1rem;
-    border-radius: 0.5rem;
-    transition: all 0.3s ease;
-  }
-  
-  body.dark .form-input,
-  body.dark .form-textarea {
-    background-color: rgba(15, 23, 42, 0.6);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    color: #f1f5f9;
-  }
-  
-  body:not(.dark) .form-input,
-  body:not(.dark) .form-textarea {
-    background-color: white;
-    border: 1px solid #e2e8f0;
-    color: #334155;
-  }
-  
-  body.dark .form-input:focus,
-  body.dark .form-textarea:focus {
-    border-color: #7c3aed;
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-    outline: none;
-  }
-  
-  body:not(.dark) .form-input:focus,
-  body:not(.dark) .form-textarea:focus {
-    border-color: #7c3aed;
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-    outline: none;
-  }
-  
-  .form-textarea {
-    min-height: 120px;
-    resize: vertical;
-  }
-  
-  .form-switch {
-    display: flex;
-    align-items: center;
-  }
-  
-  .form-switch input[type="checkbox"] {
-    height: 0;
-    width: 0;
-    visibility: hidden;
-    position: absolute;
-  }
-  
-  .form-switch label {
-    cursor: pointer;
-    width: 50px;
-    height: 25px;
-    background: rgba(100, 116, 139, 0.3);
-    display: block;
-    border-radius: 25px;
-    position: relative;
-    margin-right: 10px;
-    transition: all 0.3s ease;
-  }
-  
-  .form-switch label:after {
-    content: '';
-    position: absolute;
-    top: 3px;
-    left: 3px;
-    width: 19px;
-    height: 19px;
-    background: #fff;
-    border-radius: 19px;
-    transition: 0.3s;
-  }
-  
-  .form-switch input:checked + label {
-    background: #7c3aed;
-  }
-  
-  .form-switch input:checked + label:after {
-    left: calc(100% - 3px);
-    transform: translateX(-100%);
-  }
-  
-  .btn-submit {
-    background-color: #7c3aed;
-    color: white;
-    padding: 0.75rem 1.5rem;
-    border-radius: 0.5rem;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    border: none;
-    cursor: pointer;
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-  }
-  
-  .btn-submit:hover {
-    background-color: #6d28d9;
-    transform: translateY(-2px);
-    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.2);
-  }
-  
-  .btn-cancel {
-    background-color: transparent;
-    padding: 0.75rem 1.5rem;
-    border-radius: 0.5rem;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    border: 1px solid;
-    cursor: pointer;
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-  }
-  
-  body.dark .btn-cancel {
-    color: #e2e8f0;
-    border-color: rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .btn-cancel {
-    color: #475569;
-    border-color: #e2e8f0;
-  }
-  
-  .btn-cancel:hover {
-    transform: translateY(-2px);
-  }
-  
-  body.dark .btn-cancel:hover {
-    background-color: rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .btn-cancel:hover {
-    background-color: rgba(0, 0, 0, 0.05);
-  }
-  
-  /* Animation für den Seiteneintritt */
-  @keyframes slideInUp {
-    from {
-      transform: translateY(20px);
-      opacity: 0;
-    }
-    to {
-      transform: translateY(0);
-      opacity: 1;
-    }
-  }
-  
-  .form-container {
-    animation: slideInUp 0.5s ease forwards;
-  }
-  
-  /* Animation für Hover-Effekte */
-  .input-animation {
-    transition: transform 0.3s ease, box-shadow 0.3s ease;
-  }
-  
-  .input-animation:focus {
-    transform: scale(1.01);
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8 animate-fadeIn">
-  <div class="max-w-3xl mx-auto">
-    <!-- Titel mit Animation -->
-    <div class="text-center mb-8 animate-pulse">
-      <h1 class="text-3xl font-bold mb-2 mystical-glow gradient-text">
-        Neue Mindmap erstellen
-      </h1>
-      <p class="opacity-80">Erstelle deine eigene Wissenslandkarte und organisiere deine Gedanken</p>
-    </div>
-    
-    <div class="form-container">
-      <div class="form-header">
-        <h2 class="text-xl font-semibold">Mindmap-Details</h2>
-      </div>
-      
-      <div class="form-body">
-        <form action="{{ url_for('create_mindmap') }}" method="POST">
-          <div class="form-group">
-            <label for="name" class="form-label">Name der Mindmap</label>
-            <input type="text" id="name" name="name" class="form-input input-animation" required placeholder="z.B. Meine Philosophie-Mindmap">
-          </div>
-          
-          <div class="form-group">
-            <label for="description" class="form-label">Beschreibung</label>
-            <textarea id="description" name="description" class="form-textarea input-animation" placeholder="Worum geht es in dieser Mindmap?"></textarea>
-          </div>
-          
-          <div class="form-group">
-            <div class="form-switch">
-              <input type="checkbox" id="is_private" name="is_private" checked>
-              <label for="is_private"></label>
-              <span>Private Mindmap (nur für dich sichtbar)</span>
-            </div>
-          </div>
-          
-          <div class="flex justify-between mt-6">
-            <a href="{{ url_for('profile') }}" class="btn-cancel">
-              <i class="fas fa-arrow-left"></i>
-              Zurück
-            </a>
-            <button type="submit" class="btn-submit">
-              <i class="fas fa-save"></i>
-              Mindmap erstellen
-            </button>
-          </div>
-        </form>
-
-        <!-- Mindmap-Vorschau -->
-        <div class="mt-8">
-          <h3 class="text-xl font-semibold mb-4">Vorschau</h3>
-          <div class="mindmap-container">
-            <div id="cy" class="w-full h-[400px] rounded-xl border"
-                 x-bind:class="darkMode ? 'border-gray-700' : 'border-gray-200'">
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-    
-    <!-- Tipps-Sektion -->
-    <div class="mt-8 p-5 rounded-lg border animate-fadeIn" 
-         x-bind:class="darkMode ? 'bg-slate-800/40 border-slate-700/50' : 'bg-white border-slate-200'">
-      <h3 class="text-xl font-semibold mb-3"
-          x-bind:class="darkMode ? 'text-white' : 'text-gray-800'">
-        <i class="fa-solid fa-lightbulb text-yellow-400 mr-2"></i>Tipps zum Erstellen einer Mindmap
-      </h3>
-      <div x-bind:class="darkMode ? 'text-gray-300' : 'text-gray-600'">
-        <ul class="list-disc pl-5 space-y-2">
-          <li>Wähle einen prägnanten, aber aussagekräftigen Namen für deine Mindmap</li>
-          <li>Beginne mit einem zentralen Konzept und arbeite dich nach außen vor</li>
-          <li>Verwende verschiedene Farben für unterschiedliche Kategorien oder Themenbereiche</li>
-          <li>Füge Notizen zu Knoten hinzu, um komplexere Ideen zu erklären</li>
-          <li>Verknüpfe verwandte Konzepte, um Beziehungen zu visualisieren</li>
-        </ul>
-      </div>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block extra_js %}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape/3.26.0/cytoscape.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape-cose-bilkent/4.1.0/cytoscape-cose-bilkent.min.js"></script>
-<script nonce="{{ csp_nonce }}">
-  document.addEventListener('DOMContentLoaded', function() {
-    // Einfache Animationen für die Eingabefelder
-    const inputs = document.querySelectorAll('.input-animation');
-    
-    inputs.forEach(input => {
-      // Subtile Skalierung bei Fokus
-      input.addEventListener('focus', function() {
-        this.style.transform = 'scale(1.01)';
-        this.style.boxShadow = '0 4px 12px rgba(124, 58, 237, 0.15)';
-      });
-      
-      input.addEventListener('blur', function() {
-        this.style.transform = 'scale(1)';
-        this.style.boxShadow = 'none';
-      });
-    });
-    
-    // Formular-Absenden-Animation
-    const form = document.querySelector('form');
-    form.addEventListener('submit', function(e) {
-      const submitBtn = this.querySelector('.btn-submit');
-      submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Wird erstellt...';
-      submitBtn.disabled = true;
-    });
-
-    // Mindmap-Vorschau initialisieren
-    const mindmap = new MindMap.Visualization('cy', {
-      enableEditing: true,
-      onNodeClick: function(nodeData) {
-        console.log("Knoten ausgewählt:", nodeData);
-      }
-    });
-
-    // Formularfelder mit Mindmap verbinden
-    const nameInput = document.getElementById('name');
-    const descriptionInput = document.getElementById('description');
-
-    // Aktualisiere Mindmap wenn sich die Eingaben ändern
-    nameInput.addEventListener('input', function() {
-      if (mindmap.cy) {
-        const rootNode = mindmap.cy.$('#root');
-        if (rootNode.length > 0) {
-          rootNode.data('name', this.value || 'Neue Mindmap');
-        }
-      }
-    });
-
-    // Initialisiere die Mindmap
-    mindmap.initialize().then(() => {
-      console.log("Mindmap-Vorschau initialisiert");
-      
-      // Setze initiale Werte
-      if (nameInput.value) {
-        const rootNode = mindmap.cy.$('#root');
-        if (rootNode.length > 0) {
-          rootNode.data('name', nameInput.value);
-        }
-      }
-    }).catch(error => {
-      console.error("Fehler bei der Initialisierung der Mindmap:", error);
-    });
-  });
-</script>
-{% endblock %} 

templates/edit_mindmap.html

@@ -1,423 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Mindmap bearbeiten{% endblock %}
-
-{% block extra_css %}
-<style>
-  /* Spezifische Stile für die Mindmap-Bearbeitungsseite */
-  .form-container {
-    background-color: var(--bg-secondary);
-    border-radius: 12px;
-    overflow: hidden;
-    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
-    transition: all 0.3s ease;
-  }
-  
-  body.dark .form-container {
-    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
-    border: 1px solid rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .form-container {
-    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
-    border: 1px solid rgba(0, 0, 0, 0.05);
-  }
-  
-  .form-header {
-    padding: 1.5rem;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .form-header {
-    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
-  }
-  
-  .form-body {
-    padding: 1.5rem;
-  }
-  
-  .form-group {
-    margin-bottom: 1.5rem;
-  }
-  
-  .form-label {
-    display: block;
-    margin-bottom: 0.5rem;
-    font-weight: 500;
-  }
-  
-  .form-input,
-  .form-textarea {
-    width: 100%;
-    padding: 0.75rem 1rem;
-    border-radius: 0.5rem;
-    transition: all 0.3s ease;
-  }
-  
-  body.dark .form-input,
-  body.dark .form-textarea {
-    background-color: rgba(15, 23, 42, 0.6);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    color: #f1f5f9;
-  }
-  
-  body:not(.dark) .form-input,
-  body:not(.dark) .form-textarea {
-    background-color: white;
-    border: 1px solid #e2e8f0;
-    color: #334155;
-  }
-  
-  body.dark .form-input:focus,
-  body.dark .form-textarea:focus {
-    border-color: #7c3aed;
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-    outline: none;
-  }
-  
-  body:not(.dark) .form-input:focus,
-  body:not(.dark) .form-textarea:focus {
-    border-color: #7c3aed;
-    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
-    outline: none;
-  }
-  
-  .form-textarea {
-    min-height: 120px;
-    resize: vertical;
-  }
-  
-  .form-switch {
-    display: flex;
-    align-items: center;
-  }
-  
-  .form-switch input[type="checkbox"] {
-    height: 0;
-    width: 0;
-    visibility: hidden;
-    position: absolute;
-  }
-  
-  .form-switch label {
-    cursor: pointer;
-    width: 50px;
-    height: 25px;
-    background: rgba(100, 116, 139, 0.3);
-    display: block;
-    border-radius: 25px;
-    position: relative;
-    margin-right: 10px;
-    transition: all 0.3s ease;
-  }
-  
-  .form-switch label:after {
-    content: '';
-    position: absolute;
-    top: 3px;
-    left: 3px;
-    width: 19px;
-    height: 19px;
-    background: #fff;
-    border-radius: 19px;
-    transition: 0.3s;
-  }
-  
-  .form-switch input:checked + label {
-    background: #7c3aed;
-  }
-  
-  .form-switch input:checked + label:after {
-    left: calc(100% - 3px);
-    transform: translateX(-100%);
-  }
-  
-  .btn-submit {
-    background-color: #7c3aed;
-    color: white;
-    padding: 0.75rem 1.5rem;
-    border-radius: 0.5rem;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    border: none;
-    cursor: pointer;
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-  }
-  
-  .btn-submit:hover {
-    background-color: #6d28d9;
-    transform: translateY(-2px);
-    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.2);
-  }
-  
-  .btn-cancel {
-    background-color: transparent;
-    padding: 0.75rem 1.5rem;
-    border-radius: 0.5rem;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    border: 1px solid;
-    cursor: pointer;
-    display: inline-flex;
-    align-items: center;
-    gap: 0.5rem;
-  }
-  
-  body.dark .btn-cancel {
-    color: #e2e8f0;
-    border-color: rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .btn-cancel {
-    color: #475569;
-    border-color: #e2e8f0;
-  }
-  
-  .btn-cancel:hover {
-    transform: translateY(-2px);
-  }
-  
-  body.dark .btn-cancel:hover {
-    background-color: rgba(255, 255, 255, 0.05);
-  }
-  
-  body:not(.dark) .btn-cancel:hover {
-    background-color: rgba(0, 0, 0, 0.05);
-  }
-  
-  /* Animation für den Seiteneintritt */
-  @keyframes slideInUp {
-    from {
-      transform: translateY(20px);
-      opacity: 0;
-    }
-    to {
-      transform: translateY(0);
-      opacity: 1;
-    }
-  }
-  
-  .form-container {
-    animation: slideInUp 0.5s ease forwards;
-  }
-  
-  /* Animation für Hover-Effekte */
-  .input-animation {
-    transition: transform 0.3s ease, box-shadow 0.3s ease;
-  }
-  
-  .input-animation:focus {
-    transform: scale(1.01);
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-8 animate-fadeIn">
-  <div class="max-w-3xl mx-auto">
-    <!-- Titel mit Animation -->
-    <div class="text-center mb-8 animate-pulse">
-      <h1 class="text-3xl font-bold mb-2 mystical-glow gradient-text">
-        Mindmap bearbeiten
-      </h1>
-      <p class="opacity-80">Aktualisiere die Details deiner Mindmap</p>
-    </div>
-    
-    <div class="form-container">
-      <div class="form-header">
-        <h2 class="text-xl font-semibold">Mindmap-Details</h2>
-      </div>
-      
-      <div class="form-body">
-        <form action="{{ url_for('edit_mindmap', mindmap_id=mindmap.id) }}" method="POST">
-          <div class="form-group">
-            <label for="name" class="form-label">Name der Mindmap</label>
-            <input type="text" id="name" name="name" class="form-input input-animation" required 
-                   placeholder="z.B. Meine Philosophie-Mindmap" value="{{ mindmap.name }}">
-          </div>
-          
-          <div class="form-group">
-            <label for="description" class="form-label">Beschreibung</label>
-            <textarea id="description" name="description" class="form-textarea input-animation" 
-                      placeholder="Worum geht es in dieser Mindmap?">{{ mindmap.description }}</textarea>
-          </div>
-          
-          <div class="form-group">
-            <div class="form-switch">
-              <input type="checkbox" id="is_private" name="is_private" {% if mindmap.is_private %}checked{% endif %}>
-              <label for="is_private"></label>
-              <span>Private Mindmap (nur für dich sichtbar)</span>
-            </div>
-          </div>
-          
-          <div class="flex justify-between mt-6">
-            <a href="{{ url_for('mindmap', mindmap_id=mindmap.id) }}" class="btn-cancel">
-              <i class="fas fa-arrow-left"></i>
-              Zurück
-            </a>
-            <button type="submit" class="btn-submit">
-              <i class="fas fa-save"></i>
-              Änderungen speichern
-            </button>
-          </div>
-        </form>
-
-        <!-- Mindmap-Editor -->
-        <div class="mt-8">
-          <h3 class="text-xl font-semibold mb-4">Mindmap bearbeiten</h3>
-          <div class="mindmap-container">
-            <div id="cy" class="w-full h-[600px] rounded-xl border"
-                 x-bind:class="darkMode ? 'border-gray-700' : 'border-gray-200'">
-            </div>
-          </div>
-          <!-- Bearbeitungshinweise -->
-          <div class="mt-4 text-sm opacity-80">
-            <p><i class="fas fa-info-circle mr-2"></i>Klicke auf Knoten zum Bearbeiten, ziehe sie zum Neuanordnen oder nutze die Toolbar für weitere Funktionen.</p>
-          </div>
-        </div>
-      </div>
-    </div>
-    
-    <!-- Tipps-Sektion -->
-    <div class="mt-8 p-5 rounded-lg border animate-fadeIn" 
-         x-bind:class="darkMode ? 'bg-slate-800/40 border-slate-700/50' : 'bg-white border-slate-200'">
-      <h3 class="text-xl font-semibold mb-3"
-          x-bind:class="darkMode ? 'text-white' : 'text-gray-800'">
-        <i class="fa-solid fa-lightbulb text-yellow-400 mr-2"></i>Tipps zum Bearbeiten einer Mindmap
-      </h3>
-      <div x-bind:class="darkMode ? 'text-gray-300' : 'text-gray-600'">
-        <ul class="list-disc pl-5 space-y-2">
-          <li>Überprüfe, ob der Name noch zum aktuellen Inhalt passt</li>
-          <li>Aktualisiere die Beschreibung, um neue Aspekte zu berücksichtigen</li>
-          <li>Entscheide, ob die Sichtbarkeitseinstellungen noch passend sind</li>
-          <li>Nutze aussagekräftige Namen für bessere Auffindbarkeit</li>
-          <li>Behalte die Konsistenz mit verknüpften Konzepten im Auge</li>
-        </ul>
-      </div>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block extra_js %}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape/3.26.0/cytoscape.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape-cose-bilkent/4.1.0/cytoscape-cose-bilkent.min.js"></script>
-<script nonce="{{ csp_nonce }}">
-  document.addEventListener('DOMContentLoaded', function() {
-    // Einfache Animationen für die Eingabefelder
-    const inputs = document.querySelectorAll('.input-animation');
-    
-    inputs.forEach(input => {
-      // Subtile Skalierung bei Fokus
-      input.addEventListener('focus', function() {
-        this.style.transform = 'scale(1.01)';
-        this.style.boxShadow = '0 4px 12px rgba(124, 58, 237, 0.15)';
-      });
-      
-      input.addEventListener('blur', function() {
-        this.style.transform = 'scale(1)';
-        this.style.boxShadow = 'none';
-      });
-    });
-    
-    // Formular-Absenden-Animation
-    const form = document.querySelector('form');
-    form.addEventListener('submit', function(e) {
-      const submitBtn = this.querySelector('.btn-submit');
-      submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin"></i> Wird gespeichert...';
-      submitBtn.disabled = true;
-    });
-
-    // Mindmap initialisieren
-    const mindmap = new MindMap.Visualization('cy', {
-      enableEditing: true,
-      apiEndpoint: '/api/mindmap/{{ mindmap.id }}',
-      onNodeClick: function(nodeData) {
-        console.log("Knoten ausgewählt:", nodeData);
-      },
-      onChange: function(data) {
-        // Automatisches Speichern bei Änderungen
-        fetch('/api/mindmap/{{ mindmap.id }}/update', {
-          method: 'POST',
-          headers: {
-            'Content-Type': 'application/json',
-            'X-CSRFToken': '{{ csrf_token() }}'
-          },
-          body: JSON.stringify(data)
-        }).then(response => {
-          if (!response.ok) {
-            throw new Error('Netzwerkfehler beim Speichern');
-          }
-          console.log('Änderungen gespeichert');
-        }).catch(error => {
-          console.error('Fehler beim Speichern:', error);
-          alert('Fehler beim Speichern der Änderungen');
-        });
-      }
-    });
-
-    // Formularfelder mit Mindmap verbinden
-    const nameInput = document.getElementById('name');
-    const descriptionInput = document.getElementById('description');
-
-    // Aktualisiere Mindmap wenn sich die Eingaben ändern
-    nameInput.addEventListener('input', function() {
-      if (mindmap.cy) {
-        const rootNode = mindmap.cy.$('#root');
-        if (rootNode.length > 0) {
-          rootNode.data('name', this.value || 'Mindmap');
-          mindmap.saveToServer();
-        }
-      }
-    });
-
-    // Initialisiere die Mindmap mit existierenden Daten
-    mindmap.initialize().then(() => {
-      console.log("Mindmap-Editor initialisiert");
-      
-      // Lade existierende Daten
-      fetch('/api/mindmap/{{ mindmap.id }}/data')
-        .then(response => response.json())
-        .then(data => {
-          mindmap.loadData(data);
-          console.log("Mindmap-Daten geladen");
-        })
-        .catch(error => {
-          console.error("Fehler beim Laden der Mindmap-Daten:", error);
-          alert("Fehler beim Laden der Mindmap");
-        });
-    }).catch(error => {
-      console.error("Fehler bei der Initialisierung des Editors:", error);
-    });
-
-    // Autosave-Status Anzeige
-    const statusIndicator = document.createElement('div');
-    statusIndicator.className = 'fixed bottom-4 right-4 px-4 py-2 rounded-full text-sm transition-all duration-300';
-    document.body.appendChild(statusIndicator);
-
-    // Zeige Speicherstatus
-    function showStatus(message, isError = false) {
-      statusIndicator.textContent = message;
-      statusIndicator.className = `fixed bottom-4 right-4 px-4 py-2 rounded-full text-sm transition-all duration-300 ${
-        isError
-          ? 'bg-red-500 text-white'
-          : 'bg-green-500 text-white'
-      }`;
-      setTimeout(() => {
-        statusIndicator.className = 'fixed bottom-4 right-4 px-4 py-2 rounded-full text-sm transition-all duration-300 opacity-0';
-      }, 2000);
-    }
-
-    // Event-Listener für Speicherstatus
-    document.addEventListener('mindmapSaved', () => {
-      showStatus('Änderungen gespeichert');
-    });
-
-    document.addEventListener('mindmapError', (event) => {
-      showStatus(event.detail.message, true);
-    });
-  });
-</script>
-{% endblock %}

templates/index.html

@@ -39,35 +39,6 @@
     animation: textReveal 1s cubic-bezier(0.77, 0, 0.18, 1) forwards;
   }
   
-  /* Marker-Animation für den Text */
-  @keyframes markerAnimation {
-    0% { width: 0; opacity: 0; }
-    20% { width: 100%; opacity: 0.7; }
-    80% { width: 100%; opacity: 0.7; }
-    100% { width: 0; opacity: 0; }
-  }
-  
-  .marker-animation {
-    position: relative;
-  }
-  
-  .marker-animation::after {
-    content: '';
-    position: absolute;
-    bottom: 0;
-    left: 0;
-    height: 6px;
-    width: 0;
-    background: linear-gradient(to right, rgba(109, 40, 217, 0.3), rgba(139, 92, 246, 0.6), rgba(109, 40, 217, 0.3));
-    border-radius: 3px;
-    opacity: 0;
-    animation: markerAnimation 2.5s ease-in-out forwards;
-  }
-  
-  .marker-animation-delay::after {
-    animation-delay: 1.5s;
-  }
-  
   .delay-1 { animation-delay: 0.2s; }
   .delay-2 { animation-delay: 0.4s; }
   .delay-3 { animation-delay: 0.6s; }
@@ -100,20 +71,16 @@
   
   /* Chat section styles */
   .embedded-chat {
-    height: 500px;
+    height: 350px;
     border-radius: 1rem;
     overflow: hidden;
     transition: all 0.3s ease;
     border: 1px solid;
-    display: flex;
-    flex-direction: column;
-    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 5px 10px -5px rgba(0, 0, 0, 0.05);
   }
   
   .dark .embedded-chat {
     background-color: rgba(17, 24, 39, 0.7);
     border-color: rgba(109, 40, 217, 0.2);
-    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 5px 10px -5px rgba(0, 0, 0, 0.2);
   }
   
   .embedded-chat {
@@ -122,118 +89,9 @@
   }
   
   #embedded-chat-messages {
-    flex: 1;
+    height: 250px;
     overflow-y: auto;
-    padding: 1.25rem;
-    min-height: 320px;
-  }
-  
-  .chat-input-container {
-    padding: 1.25rem;
-    border-top: 1px solid;
-    background-color: rgba(255, 255, 255, 0.3);
-  }
-  
-  .dark .chat-input-container {
-    background-color: rgba(17, 24, 39, 0.6);
-    border-color: rgba(75, 85, 99, 0.4);
-  }
-  
-  .mystical-input {
-    background-color: rgba(255, 255, 255, 0.8);
-    border: 1px solid rgba(209, 213, 219, 0.5);
-    color: #4B5563;
-    padding: 0.75rem 1rem;
-    border-radius: 0.5rem;
-    outline: none;
-    transition: all 0.3s ease;
-    width: 100%;
-    font-size: 1rem;
-  }
-  
-  .dark .mystical-input {
-    background-color: rgba(31, 41, 55, 0.7);
-    border-color: rgba(75, 85, 99, 0.4);
-    color: #E5E7EB;
-  }
-  
-  .mystical-input:focus {
-    border-color: rgba(139, 92, 246, 0.5);
-    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
-  }
-  
-  .dark .mystical-input:focus {
-    border-color: rgba(139, 92, 246, 0.5);
-    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.3);
-  }
-  
-  /* Verbesserte Lesbarkeit für Chat-Nachrichten */
-  .chat-message {
-    margin-bottom: 1.25rem;
-  }
-  
-  .chat-bubble {
     padding: 1rem;
-    border-radius: 0.75rem;
-    max-width: 85%;
-    font-size: 1rem;
-    line-height: 1.5;
-  }
-  
-  .assistant-bubble {
-    background-color: rgba(243, 244, 246, 0.95);
-    color: #374151;
-  }
-  
-  .dark .assistant-bubble {
-    background-color: rgba(31, 41, 55, 0.95);
-    color: #E5E7EB;
-  }
-  
-  .user-bubble {
-    background-color: rgba(139, 92, 246, 0.15);
-    color: #4B5563;
-  }
-  
-  .dark .user-bubble {
-    background-color: rgba(124, 58, 237, 0.3);
-    color: #E5E7EB;
-  }
-  
-  /* Beispiel-Buttons verbessert */
-  .quick-query-container {
-    margin-top: 0.75rem;
-    display: flex;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-    align-items: center;
-  }
-  
-  .quick-query-btn {
-    font-size: 0.8rem;
-    padding: 0.4rem 0.75rem;
-    border-radius: 2rem;
-    background-color: rgba(243, 244, 246, 0.8);
-    color: #4B5563;
-    cursor: pointer;
-    transition: all 0.2s ease;
-    white-space: nowrap;
-    border: 1px solid rgba(209, 213, 219, 0.5);
-  }
-  
-  .dark .quick-query-btn {
-    background-color: rgba(55, 65, 81, 0.8);
-    color: #E5E7EB;
-    border-color: rgba(75, 85, 99, 0.4);
-  }
-  
-  .quick-query-btn:hover {
-    background-color: rgba(229, 231, 235, 0.9);
-    transform: translateY(-1px);
-  }
-  
-  .dark .quick-query-btn:hover {
-    background-color: rgba(75, 85, 99, 0.9);
   }
   
   /* Chat typing indicator */
@@ -273,9 +131,16 @@
   <div class="max-w-screen-xl mx-auto px-4 sm:px-6 lg:px-8 relative z-10">
     <div class="text-center mb-16">
       <h1 class="hero-heading mb-8 text-gray-900 dark:text-white">
-        <div class="overflow-hidden flex justify-center gap-6">
-          <span class="relative inline-block text-reveal marker-animation">Wissen.</span>
-          <span class="relative inline-block text-reveal delay-1 marker-animation marker-animation-delay">Vernetzen.</span>
+        <div class="overflow-hidden">
+          <span class="gradient-text inline-block text-reveal">Wissen</span>
+        </div>
+        <div class="overflow-hidden mt-2">
+          <span class="inline-block text-reveal delay-1">neu</span>
+        </div>
+        <div class="mt-2 relative overflow-hidden">
+          <span class="relative inline-block text-reveal delay-2">vernetzen
+            <div class="absolute -bottom-2 left-0 right-0 h-1 bg-gradient-to-r from-purple-500/0 via-purple-500/70 to-purple-500/0 rounded-full"></div>
+          </span>
         </div>
       </h1>
       <div class="overflow-hidden">
@@ -314,12 +179,6 @@
         <div class="text-center">
           <div class="text-3xl font-bold gradient-text mb-2 animate-float">Systades</div>
           <div class="text-lg text-gray-700 dark:text-gray-300">WISSEN VERNETZEN</div>
-          <!-- Animierte Pfeilspitze -->
-          <div class="mt-6 flex justify-center">
-            <svg width="20" height="12" viewBox="0 0 20 12" fill="none" xmlns="http://www.w3.org/2000/svg" class="text-white animate-bounce-slow">
-              <path d="M10 12L0 2L2 0L10 8L18 0L20 2L10 12Z" fill="currentColor" fill-opacity="0.7"/>
-            </svg>
-          </div>
         </div>
       </div>
     </div>
@@ -412,14 +271,14 @@
         </div>
         
         <!-- Chat Messages -->
-        <div id="embedded-chat-messages" class="border-b-0">
+        <div id="embedded-chat-messages" class="border-b border-gray-200 dark:border-gray-700">
           <!-- Assistant Message -->
-          <div class="chat-message flex">
-            <div class="w-9 h-9 rounded-full bg-gradient-to-r from-purple-600 to-indigo-600 flex items-center justify-center text-white mr-3 flex-shrink-0">
+          <div class="mb-4 flex">
+            <div class="w-8 h-8 rounded-full bg-gradient-to-r from-purple-600 to-indigo-600 flex items-center justify-center text-white mr-2 flex-shrink-0">
               <i class="fa-solid fa-robot text-sm"></i>
             </div>
-            <div class="chat-bubble assistant-bubble">
-              <div class="markdown-content">
+            <div class="bg-gray-100 dark:bg-gray-800 rounded-lg p-3 max-w-[80%]">
+              <div class="text-gray-700 dark:text-gray-300 markdown-content">
                 <p>Hallo! Ich bin dein Systades-Assistent. Wie kann ich dir heute helfen?</p>
                 <p>Du kannst mir Fragen zu:</p>
                 <ul>
@@ -433,24 +292,24 @@
           </div>
           
           <!-- User Message -->
-          <div class="chat-message flex justify-end">
-            <div class="chat-bubble user-bubble">
-              <p>
+          <div class="mb-4 flex justify-end">
+            <div class="bg-purple-100 dark:bg-purple-900/30 rounded-lg p-3 max-w-[80%]">
+              <p class="text-gray-800 dark:text-gray-200">
                 Kann ich mit deiner Hilfe eine Mindmap zum Thema Künstliche Intelligenz erstellen?
               </p>
             </div>
-            <div class="w-9 h-9 rounded-full bg-gray-300 dark:bg-gray-600 flex items-center justify-center text-gray-700 dark:text-gray-300 ml-3 flex-shrink-0">
+            <div class="w-8 h-8 rounded-full bg-gray-300 dark:bg-gray-600 flex items-center justify-center text-gray-700 dark:text-gray-300 ml-2 flex-shrink-0">
               <i class="fa-solid fa-user text-sm"></i>
             </div>
           </div>
           
           <!-- Assistant Response -->
-          <div class="chat-message flex" id="demo-ai-response">
-            <div class="w-9 h-9 rounded-full bg-gradient-to-r from-purple-600 to-indigo-600 flex items-center justify-center text-white mr-3 flex-shrink-0">
+          <div class="mb-4 flex" id="demo-ai-response">
+            <div class="w-8 h-8 rounded-full bg-gradient-to-r from-purple-600 to-indigo-600 flex items-center justify-center text-white mr-2 flex-shrink-0">
               <i class="fa-solid fa-robot text-sm"></i>
             </div>
-            <div class="chat-bubble assistant-bubble">
-              <div class="markdown-content">
+            <div class="bg-gray-100 dark:bg-gray-800 rounded-lg p-3 max-w-[80%]">
+              <div class="text-gray-700 dark:text-gray-300 markdown-content">
                 <p>Ja, natürlich! Ich kann dir dabei helfen, eine Mindmap zum Thema <strong>Künstliche Intelligenz</strong> zu erstellen.</p>
                 <p>Du kannst wie folgt vorgehen:</p>
                 <ol>
@@ -466,19 +325,19 @@
         </div>
         
         <!-- Chat Input -->
-        <div class="chat-input-container">
+        <div class="p-4">
           <div class="flex">
             <input type="text" placeholder="Stelle eine Frage..." class="mystical-input flex-grow" disabled>
-            <button class="ml-3 bg-gradient-to-r from-purple-600 to-indigo-600 text-white px-3 py-2 rounded-lg disabled:opacity-50 flex-shrink-0 hover:shadow-md transition-all duration-200" disabled>
+            <button class="ml-2 bg-gradient-to-r from-purple-600 to-indigo-600 text-white p-2 rounded-lg disabled:opacity-50" disabled>
               <i class="fa-solid fa-paper-plane"></i>
             </button>
           </div>
           <!-- Quick Queries -->
-          <div class="quick-query-container">
-            <span class="text-sm text-gray-500 dark:text-gray-400 mr-1">Beispiele:</span>
-            <button data-question="Was sind die wichtigsten Grundlagen der Künstlichen Intelligenz?" class="quick-query-btn hover:shadow-sm">KI-Grundlagen</button>
-            <button data-question="Wie kann ich eine Mindmap zum Thema Neuronale Netzwerke erstellen?" class="quick-query-btn hover:shadow-sm">Mindmap erstellen</button>
-            <button data-question="Zeige mir alle verfügbaren Kategorien in der Datenbank" class="quick-query-btn hover:shadow-sm">Datenbank durchsuchen</button>
+          <div class="mt-3 flex flex-wrap gap-2">
+            <span class="text-xs text-gray-500 dark:text-gray-400 mr-1">Beispiele:</span>
+            <button data-question="Was sind die wichtigsten Grundlagen der Künstlichen Intelligenz?" class="quick-query-btn text-xs px-2 py-1 rounded-full bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-300 dark:hover:bg-gray-600 cursor-pointer transition-colors">KI-Grundlagen</button>
+            <button data-question="Wie kann ich eine Mindmap zum Thema Neuronale Netzwerke erstellen?" class="quick-query-btn text-xs px-2 py-1 rounded-full bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-300 dark:hover:bg-gray-600 cursor-pointer transition-colors">Mindmap erstellen</button>
+            <button data-question="Zeige mir alle verfügbaren Kategorien in der Datenbank" class="quick-query-btn text-xs px-2 py-1 rounded-full bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-300 dark:hover:bg-gray-600 cursor-pointer transition-colors">Datenbank durchsuchen</button>
           </div>
         </div>
       </div>

templates/mindmap.html

@@ -1,232 +1,234 @@
-{% extends "base.html" %}
-
-{% block title %}Interaktive Mindmap{% endblock %}
-
-{% block extra_css %}
-<style>
-  /* Grundlegendes Layout */
-  .mindmap-container {
-    position: relative;
-    width: 100%;
-    height: calc(100vh - 64px);
-    background: linear-gradient(135deg, #1a1f2e 0%, #0f172a 100%);
-    overflow: hidden;
-  }
-
-  /* Hauptcontainer für die Mindmap */
-  #cy {
-    width: 100%;
-    height: 100%;
-    background: transparent;
-  }
-
-  /* Header-Bereich */
-  .mindmap-header {
-    position: absolute;
-    top: 0;
-    left: 0;
-    right: 0;
-    padding: 1.5rem;
-    background: rgba(15, 23, 42, 0.8);
-    backdrop-filter: blur(10px);
-    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-    z-index: 10;
-  }
-
-  .mindmap-title {
-    font-size: 2rem;
-    font-weight: 700;
-    color: #fff;
-    margin: 0;
-    background: linear-gradient(90deg, #60a5fa, #8b5cf6);
-    -webkit-background-clip: text;
-    -webkit-text-fill-color: transparent;
-  }
-
-  /* Kontrollpanel */
-  .control-panel {
-    position: absolute;
-    right: 2rem;
-    top: 50%;
-    transform: translateY(-50%);
-    background: rgba(15, 23, 42, 0.9);
-    border-radius: 1rem;
-    padding: 1.5rem;
-    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
-    z-index: 10;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-  }
-
-  .control-button {
-    display: flex;
-    align-items: center;
-    padding: 0.75rem 1rem;
-    margin: 0.5rem 0;
-    background: rgba(255, 255, 255, 0.1);
-    border: none;
-    border-radius: 0.5rem;
-    color: #fff;
-    cursor: pointer;
-    transition: all 0.3s ease;
-  }
-
-  .control-button:hover {
-    background: rgba(255, 255, 255, 0.2);
-    transform: translateX(-5px);
-  }
-
-  .control-button i {
-    margin-right: 0.75rem;
-  }
-
-  /* Info-Panel */
-  .info-panel {
-    position: absolute;
-    left: 2rem;
-    top: 50%;
-    transform: translateY(-50%);
-    background: rgba(15, 23, 42, 0.9);
-    border-radius: 1rem;
-    padding: 1.5rem;
-    width: 300px;
-    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
-    z-index: 10;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    opacity: 0;
-    transform: translateX(-20px);
-    transition: all 0.3s ease;
-  }
-
-  .info-panel.visible {
-    opacity: 1;
-    transform: translateY(-50%) translateX(0);
-  }
-
-  .info-title {
-    font-size: 1.25rem;
-    font-weight: 600;
-    color: #fff;
-    margin-bottom: 1rem;
-    padding-bottom: 0.5rem;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
-  }
-
-  .info-content {
-    color: rgba(255, 255, 255, 0.8);
-    font-size: 0.95rem;
-    line-height: 1.6;
-  }
-
-  /* Kategorie-Legende */
-  .category-legend {
-    position: absolute;
-    bottom: 2rem;
-    left: 50%;
-    transform: translateX(-50%);
-    background: rgba(15, 23, 42, 0.9);
-    border-radius: 1rem;
-    padding: 1rem 2rem;
-    display: flex;
-    gap: 1.5rem;
-    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
-    z-index: 10;
-    border: 1px solid rgba(255, 255, 255, 0.1);
-  }
-
-  .category-item {
-    display: flex;
-    align-items: center;
-    color: rgba(255, 255, 255, 0.8);
-    font-size: 0.9rem;
-  }
-
-  .category-color {
-    width: 12px;
-    height: 12px;
-    border-radius: 50%;
-    margin-right: 0.5rem;
-  }
-
-  /* Animationen */
-  @keyframes pulse {
-    0% { transform: scale(1); }
-    50% { transform: scale(1.05); }
-    100% { transform: scale(1); }
-  }
-
-  .pulse {
-    animation: pulse 2s infinite;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="mindmap-container">
-  <!-- Header -->
-  <div class="mindmap-header">
-    <h1 class="mindmap-title">Interaktive Wissenslandkarte</h1>
+<!DOCTYPE html>
+<html lang="de">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Interaktive Mindmap</title>
+  
+  <!-- Cytoscape.js -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape/3.26.0/cytoscape.min.js"></script>
+  
+  <!-- Socket.IO -->
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.7.2/socket.io.min.js"></script>
+  
+  <!-- Feather Icons (optional) -->
+  <script src="https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js"></script>
+  
+  <style>
+    * {
+      box-sizing: border-box;
+      margin: 0;
+      padding: 0;
+    }
+    
+    body {
+      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+      background-color: #f9fafb;
+      color: #111827;
+      line-height: 1.5;
+    }
+    
+    .container {
+      display: flex;
+      flex-direction: column;
+      height: 100vh;
+      width: 100%;
+    }
+    
+    .header {
+      background-color: #1f2937;
+      color: white;
+      padding: 1rem;
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+    }
+    
+    .header h1 {
+      font-size: 1.5rem;
+      font-weight: 500;
+    }
+    
+    .toolbar {
+      background-color: #f3f4f6;
+      padding: 0.75rem;
+      display: flex;
+      gap: 0.5rem;
+      border-bottom: 1px solid #e5e7eb;
+    }
+    
+    .btn {
+      background-color: #3b82f6;
+      color: white;
+      border: none;
+      border-radius: 0.25rem;
+      padding: 0.5rem 1rem;
+      font-size: 0.875rem;
+      cursor: pointer;
+      transition: background-color 0.2s;
+      display: flex;
+      align-items: center;
+      gap: 0.5rem;
+    }
+    
+    .btn:hover {
+      background-color: #2563eb;
+    }
+    
+    .btn-secondary {
+      background-color: #6b7280;
+    }
+    
+    .btn-secondary:hover {
+      background-color: #4b5563;
+    }
+    
+    .btn-danger {
+      background-color: #ef4444;
+    }
+    
+    .btn-danger:hover {
+      background-color: #dc2626;
+    }
+    
+    .search-container {
+      flex: 1;
+      display: flex;
+      margin-left: 1rem;
+    }
+    
+    .search-input {
+      width: 100%;
+      max-width: 300px;
+      padding: 0.5rem;
+      border: 1px solid #d1d5db;
+      border-radius: 0.25rem;
+      font-size: 0.875rem;
+    }
+    
+    #cy {
+      flex: 1;
+      width: 100%;
+      position: relative;
+    }
+    
+    .category-filters {
+      display: flex;
+      gap: 0.5rem;
+      flex-wrap: wrap;
+      padding: 0.75rem;
+      background-color: #ffffff;
+      border-bottom: 1px solid #e5e7eb;
+    }
+    
+    .category-filter {
+      border: none;
+      border-radius: 0.25rem;
+      padding: 0.25rem 0.75rem;
+      font-size: 0.75rem;
+      cursor: pointer;
+      transition: opacity 0.2s;
+      color: white;
+    }
+    
+    .category-filter:not(.active) {
+      opacity: 0.6;
+    }
+    
+    .category-filter:hover:not(.active) {
+      opacity: 0.8;
+    }
+    
+    .footer {
+      background-color: #f3f4f6;
+      padding: 0.75rem;
+      text-align: center;
+      font-size: 0.75rem;
+      color: #6b7280;
+      border-top: 1px solid #e5e7eb;
+    }
+    
+    /* Kontextmenü Styling */
+    #context-menu {
+      position: absolute;
+      background-color: white;
+      border: 1px solid #e5e7eb;
+      border-radius: 0.25rem;
+      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+      z-index: 1000;
+    }
+    
+    #context-menu .menu-item {
+      padding: 0.5rem 1rem;
+      cursor: pointer;
+    }
+    
+    #context-menu .menu-item:hover {
+      background-color: #f3f4f6;
+    }
+  </style>
+</head>
+<body>
+  <div class="container">
+    <header class="header">
+      <h1>Interaktive Mindmap</h1>
+      <div class="search-container">
+        <input type="text" id="search-mindmap" class="search-input" placeholder="Suchen...">
+      </div>
+    </header>
+    
+    <div class="toolbar">
+      <button id="addNode" class="btn">
+        <i data-feather="plus-circle"></i>
+        Knoten hinzufügen
+      </button>
+      <button id="addEdge" class="btn">
+        <i data-feather="git-branch"></i>
+        Verbindung erstellen
+      </button>
+      <button id="editNode" class="btn btn-secondary">
+        <i data-feather="edit-2"></i>
+        Knoten bearbeiten
+      </button>
+      <button id="deleteNode" class="btn btn-danger">
+        <i data-feather="trash-2"></i>
+        Knoten löschen
+      </button>
+      <button id="deleteEdge" class="btn btn-danger">
+        <i data-feather="scissors"></i>
+        Verbindung löschen
+      </button>
+      <button id="reLayout" class="btn btn-secondary">
+        <i data-feather="refresh-cw"></i>
+        Layout neu anordnen
+      </button>
+      <button id="exportMindmap" class="btn btn-secondary">
+        <i data-feather="download"></i>
+        Exportieren
+      </button>
+    </div>
+    
+    <div id="category-filters" class="category-filters">
+      <!-- Wird dynamisch befüllt -->
+    </div>
+    
+    <div id="cy"></div>
+    
+    <footer class="footer">
+      Mindmap-Anwendung © 2023
+    </footer>
   </div>
-
-  <!-- Hauptvisualisierung -->
-  <div id="cy"></div>
-
-  <!-- Kontrollpanel -->
-  <div class="control-panel">
-    <button id="zoomIn" class="control-button">
-      <i class="fas fa-search-plus"></i>
-      <span>Vergrößern</span>
-    </button>
-    <button id="zoomOut" class="control-button">
-      <i class="fas fa-search-minus"></i>
-      <span>Verkleinern</span>
-    </button>
-    <button id="resetView" class="control-button">
-      <i class="fas fa-sync"></i>
-      <span>Zurücksetzen</span>
-    </button>
-    <button id="toggleLegend" class="control-button">
-      <i class="fas fa-layer-group"></i>
-      <span>Legende</span>
-    </button>
-  </div>
-
-  <!-- Info-Panel -->
-  <div id="infoPanel" class="info-panel">
-    <h3 class="info-title">Knotendetails</h3>
-    <div class="info-content"></div>
-  </div>
-
-  <!-- Kategorie-Legende -->
-  <div id="categoryLegend" class="category-legend">
-    <div class="category-item">
-      <div class="category-color" style="background-color: #60a5fa;"></div>
-      <span>Philosophie</span>
-    </div>
-    <div class="category-item">
-      <div class="category-color" style="background-color: #8b5cf6;"></div>
-      <span>Wissenschaft</span>
-    </div>
-    <div class="category-item">
-      <div class="category-color" style="background-color: #10b981;"></div>
-      <span>Technologie</span>
-    </div>
-    <div class="category-item">
-      <div class="category-color" style="background-color: #f59e0b;"></div>
-      <span>Künste</span>
-    </div>
-    <div class="category-item">
-      <div class="category-color" style="background-color: #ef4444;"></div>
-      <span>Psychologie</span>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block extra_js %}
-<!-- Cytoscape und Erweiterungen -->
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape/3.26.0/cytoscape.min.js"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/cytoscape-cose-bilkent/4.1.0/cytoscape-cose-bilkent.min.js"></script>
-
-<!-- Unsere JavaScript-Dateien -->
-<script src="{{ url_for('static', filename='js/update_mindmap.js') }}"></script>
-{% endblock %}
+  
+  <!-- Unsere Mindmap JS -->
+  <script src="{{ url_for('static', filename='js/mindmap.js') }}"></script>
+  
+  <!-- Icons initialisieren -->
+  <script>
+    document.addEventListener('DOMContentLoaded', () => {
+      if (typeof feather !== 'undefined') {
+        feather.replace();
+      }
+    });
+  </script>
+</body>
+</html>

templates/simple_profile.html

@@ -1,75 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Einfaches Profil{% endblock %}
-
-{% block content %}
-<div class="container mx-auto px-4 py-10">
-  <div class="bg-gray-800 bg-opacity-70 rounded-lg p-6 mb-6">
-    <h1 class="text-3xl font-bold text-purple-400 mb-4">Hallo, {{ user.username }}</h1>
-    <div class="text-gray-300 mb-4">
-      <p>E-Mail: {{ user.email }}</p>
-      <p>Mitglied seit: {{ user.created_at.strftime('%d.%m.%Y') }}</p>
-    </div>
-    
-    <h2 class="text-xl font-semibold text-purple-300 mt-6 mb-3">Deine Mindmaps</h2>
-    {% if user_mindmaps %}
-      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-        {% for mindmap in user_mindmaps %}
-          <div class="bg-gray-700 bg-opacity-50 p-4 rounded-lg">
-            <h3 class="text-lg font-medium text-purple-400 mb-2">{{ mindmap.name }}</h3>
-            <p class="text-gray-300 text-sm mb-3">{{ mindmap.description }}</p>
-            <div class="flex justify-between text-xs text-gray-400">
-              <span>Erstellt: {{ mindmap.created_at.strftime('%d.%m.%Y') }}</span>
-            </div>
-            <div class="mt-4 flex justify-between">
-              <a href="{{ url_for('mindmap') }}?id={{ mindmap.id }}" class="text-purple-400 hover:text-purple-300">
-                <i class="fas fa-eye mr-1"></i> Anzeigen
-              </a>
-              <a href="{{ url_for('edit_mindmap', mindmap_id=mindmap.id) }}" class="text-blue-400 hover:text-blue-300">
-                <i class="fas fa-edit mr-1"></i> Bearbeiten
-              </a>
-            </div>
-          </div>
-        {% endfor %}
-      </div>
-    {% else %}
-      <div class="text-center py-6">
-        <p class="text-gray-400">Du hast noch keine Mindmaps erstellt</p>
-        <a href="{{ url_for('create_mindmap') }}" class="mt-3 inline-block px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700">
-          Erste Mindmap erstellen
-        </a>
-      </div>
-    {% endif %}
-    
-    <h2 class="text-xl font-semibold text-purple-300 mt-8 mb-3">Deine Gedanken</h2>
-    {% if thoughts %}
-      <div class="space-y-4">
-        {% for thought in thoughts %}
-          <div class="bg-gray-700 bg-opacity-50 p-4 rounded-lg">
-            <h3 class="text-lg font-medium text-purple-400 mb-2">{{ thought.title }}</h3>
-            <p class="text-gray-300 text-sm mb-2">
-              {{ thought.abstract[:150] ~ '...' if thought.abstract and thought.abstract|length > 150 else thought.abstract }}
-            </p>
-            <div class="flex justify-between text-xs text-gray-400">
-              <span>Erstellt: {{ thought.created_at.strftime('%d.%m.%Y') }}</span>
-            </div>
-          </div>
-        {% endfor %}
-      </div>
-    {% else %}
-      <div class="text-center py-6">
-        <p class="text-gray-400">Du hast noch keine Gedanken erstellt</p>
-      </div>
-    {% endif %}
-    
-    <div class="mt-8 flex justify-between">
-      <a href="{{ url_for('index') }}" class="px-4 py-2 bg-gray-700 text-white rounded-lg hover:bg-gray-600">
-        Zurück zur Startseite
-      </a>
-      <a href="{{ url_for('logout') }}" class="px-4 py-2 bg-red-700 text-white rounded-lg hover:bg-red-600">
-        Abmelden
-      </a>
-    </div>
-  </div>
-</div>
-{% endblock %} 

templates/user_mindmap.html

@@ -1,391 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}{{ mindmap.name }} - Mindmap{% endblock %}
-
-{% block extra_css %}
-<style>
-  /* Container für die Mindmap mit verbesserten Glaseffekten */
-  #cy {
-    width: 100%;
-    height: calc(100vh - 14rem);
-    background-color: rgba(15, 23, 42, 0.3);
-    border-radius: 1rem;
-    overflow: hidden;
-  }
-  
-  body:not(.dark) #cy {
-    background-color: rgba(255, 255, 255, 0.3);
-  }
-  
-  /* Info-Panel */
-  .node-info-panel {
-    position: absolute;
-    top: 1rem;
-    right: 1rem;
-    width: 300px;
-    max-height: calc(100vh - 16rem);
-    overflow-y: auto;
-    border-radius: 1rem;
-    opacity: 0;
-    transform: translateX(20px);
-    pointer-events: none;
-    transition: all 0.3s ease;
-  }
-  
-  .node-info-panel.visible {
-    opacity: 1;
-    transform: translateX(0);
-    pointer-events: all;
-  }
-  
-  body.dark .node-info-panel {
-    background-color: rgba(15, 23, 42, 0.8);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    backdrop-filter: blur(10px);
-  }
-  
-  body:not(.dark) .node-info-panel {
-    background-color: rgba(255, 255, 255, 0.85);
-    border: 1px solid rgba(0, 0, 0, 0.1);
-    backdrop-filter: blur(10px);
-    color: #1e293b;
-  }
-  
-  /* Toolbar */
-  .mindmap-toolbar {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    padding: 0.75rem;
-    border-radius: 0.75rem;
-    margin-bottom: 1rem;
-    flex-wrap: wrap;
-    gap: 0.5rem;
-  }
-  
-  body.dark .mindmap-toolbar {
-    background-color: rgba(15, 23, 42, 0.6);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .mindmap-toolbar {
-    background-color: rgba(255, 255, 255, 0.8);
-    border: 1px solid rgba(0, 0, 0, 0.1);
-  }
-  
-  .mindmap-action-btn {
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-    padding: 0.5rem 1rem;
-    border-radius: 0.5rem;
-    font-weight: 500;
-    transition: all 0.3s ease;
-    cursor: pointer;
-  }
-  
-  body.dark .mindmap-action-btn {
-    background-color: rgba(30, 41, 59, 0.7);
-    color: rgba(255, 255, 255, 0.9);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .mindmap-action-btn {
-    background-color: rgba(255, 255, 255, 0.8);
-    color: #1e293b;
-    border: 1px solid rgba(0, 0, 0, 0.1);
-  }
-  
-  body.dark .mindmap-action-btn:hover {
-    background-color: rgba(51, 65, 85, 0.8);
-    transform: translateY(-2px);
-  }
-  
-  body:not(.dark) .mindmap-action-btn:hover {
-    background-color: rgba(243, 244, 246, 0.9);
-    transform: translateY(-2px);
-  }
-  
-  /* Node-Link Styles */
-  .node-link {
-    display: inline-block;
-    padding: 0.35rem 0.75rem;
-    margin: 0.25rem;
-    border-radius: 1rem;
-    font-size: 0.8rem;
-    cursor: pointer;
-    transition: all 0.3s ease;
-    white-space: nowrap;
-    color: white;
-    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
-  }
-  
-  .node-link:hover {
-    transform: translateY(-2px);
-    filter: brightness(1.1);
-    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
-  }
-  
-  /* Notes */
-  .note-container {
-    position: absolute;
-    width: 250px;
-    cursor: move;
-    opacity: 0;
-    transform: scale(0.95);
-    transition: all 0.3s ease;
-    z-index: 10;
-  }
-  
-  .note-container.visible {
-    opacity: 1;
-    transform: scale(1);
-  }
-  
-  /* Note-Werkzeuge */
-  .note-tools {
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-    padding: 0.5rem;
-  }
-  
-  .note-tool {
-    width: 24px;
-    height: 24px;
-    border-radius: 50%;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    cursor: pointer;
-    transition: all 0.2s ease;
-    font-size: 0.7rem;
-    opacity: 0.7;
-  }
-  
-  .note-tool:hover {
-    opacity: 1;
-    transform: translateY(-1px);
-  }
-  
-  /* Color Palette */
-  .color-palette {
-    display: flex;
-    gap: 0.25rem;
-    flex-wrap: wrap;
-    padding: 0.25rem;
-  }
-  
-  .color-swatch {
-    width: 1rem;
-    height: 1rem;
-    border-radius: 50%;
-    cursor: pointer;
-    transition: all 0.2s ease;
-  }
-  
-  .color-swatch:hover {
-    transform: scale(1.2);
-  }
-  
-  /* Notizen-Editor */
-  .note-content {
-    min-height: 100px;
-    padding: 0.75rem;
-    outline: none;
-    width: 100%;
-    font-size: 0.9rem;
-    resize: both;
-    overflow: auto;
-  }
-  
-  /* Kontext-Menü */
-  #context-menu {
-    min-width: 180px;
-    border-radius: 0.5rem;
-    overflow: hidden;
-    z-index: 1000;
-  }
-  
-  body.dark #context-menu {
-    background-color: rgba(15, 23, 42, 0.95);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
-  }
-  
-  body:not(.dark) #context-menu {
-    background-color: rgba(255, 255, 255, 0.95);
-    border: 1px solid rgba(0, 0, 0, 0.1);
-    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
-    color: #1e293b;
-  }
-  
-  .menu-item {
-    padding: 0.75rem 1rem;
-    cursor: pointer;
-    transition: all 0.2s ease;
-    display: flex;
-    align-items: center;
-    gap: 0.5rem;
-  }
-  
-  body.dark .menu-item:hover {
-    background-color: rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .menu-item:hover {
-    background-color: rgba(0, 0, 0, 0.05);
-  }
-  
-  /* Dialogfenster */
-  .dialog-overlay {
-    position: fixed;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    background-color: rgba(0, 0, 0, 0.5);
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    z-index: 100;
-  }
-  
-  .dialog-content {
-    width: 90%;
-    max-width: 500px;
-    border-radius: 1rem;
-    padding: 1.5rem;
-    max-height: 80vh;
-    overflow-y: auto;
-  }
-  
-  body.dark .dialog-content {
-    background-color: rgba(15, 23, 42, 0.95);
-    border: 1px solid rgba(255, 255, 255, 0.1);
-  }
-  
-  body:not(.dark) .dialog-content {
-    background-color: rgba(255, 255, 255, 0.95);
-    border: 1px solid rgba(0, 0, 0, 0.1);
-    color: #1e293b;
-  }
-</style>
-{% endblock %}
-
-{% block content %}
-<div class="container mx-auto max-w-7xl px-4 py-6">
-  <!-- Header -->
-  <div class="flex flex-col md:flex-row justify-between items-start md:items-center mb-6 gap-4">
-    <div>
-      <h1 class="text-3xl font-bold gradient-text">{{ mindmap.name }}</h1>
-      <p class="opacity-80 mt-1">{{ mindmap.description }}</p>
-    </div>
-    
-    <div class="flex gap-3 flex-wrap">
-      {% if mindmap.user_id == current_user.id %}
-      <a href="{{ url_for('edit_mindmap', mindmap_id=mindmap.id) }}" class="mindmap-action-btn">
-        <i class="fas fa-edit"></i>
-        <span>Bearbeiten</span>
-      </a>
-      {% endif %}
-      
-      <a href="{{ url_for('profile') }}" class="mindmap-action-btn">
-        <i class="fas fa-arrow-left"></i>
-        <span>Zurück</span>
-      </a>
-    </div>
-  </div>
-  
-  <!-- Toolbar -->
-  <div class="mindmap-toolbar mb-4">
-    <button id="fit-btn" class="mindmap-action-btn">
-      <i class="fas fa-expand"></i>
-      <span>Alles anzeigen</span>
-    </button>
-    <button id="reset-btn" class="mindmap-action-btn">
-      <i class="fas fa-redo"></i>
-      <span>Layout zurücksetzen</span>
-    </button>
-    <button id="toggle-labels-btn" class="mindmap-action-btn">
-      <i class="fas fa-tags"></i>
-      <span>Labels ein/aus</span>
-    </button>
-    <button id="add-note-btn" class="mindmap-action-btn">
-      <i class="fas fa-sticky-note"></i>
-      <span>Notiz hinzufügen</span>
-    </button>
-    <button id="save-layout-btn" class="mindmap-action-btn">
-      <i class="fas fa-save"></i>
-      <span>Layout speichern</span>
-    </button>
-  </div>
-  
-  <!-- Mindmap Container mit Positionsindikator -->
-  <div class="relative rounded-xl overflow-hidden border transition-all duration-300"
-       x-bind:class="darkMode ? 'border-gray-700/50' : 'border-gray-300/50'">
-    <div id="cy"></div>
-    
-    <!-- Informationsanzeige für ausgewählten Knoten -->
-    <div id="node-info-panel" class="node-info-panel p-4">
-      <h3 class="text-xl font-bold gradient-text mb-2">Knotendetails</h3>
-      <p id="node-description" class="mb-4 opacity-80"></p>
-      
-      <h4 class="font-semibold mb-2 opacity-90">Verbundene Knoten</h4>
-      <div id="connected-nodes" class="flex flex-wrap mb-4"></div>
-      
-      <div class="flex flex-wrap gap-2 mt-4">
-        <button id="add-thought-btn" class="mindmap-action-btn">
-          <i class="fas fa-lightbulb"></i>
-          <span>Gedanke hinzufügen</span>
-        </button>
-        <button id="view-thoughts-btn" class="mindmap-action-btn">
-          <i class="fas fa-list"></i>
-          <span>Gedanken anzeigen</span>
-        </button>
-      </div>
-    </div>
-  </div>
-</div>
-{% endblock %}
-
-{% block extra_js %}
-<script src="{{ url_for('static', filename='js/cytoscape.min.js') }}"></script>
-<script src="{{ url_for('static', filename='js/mindmap-init.js') }}"></script>
-<script nonce="{{ csp_nonce }}">
-  document.addEventListener('DOMContentLoaded', function() {
-    // Benutzer-Mindmap-ID für die API-Anfragen
-    const mindmapId = {{ mindmap.id }};
-    
-    // Erstellt eine neue MindMap-Instanz für die Benutzer-Mindmap
-    window.userMindmap = new MindMap('#cy', {
-      editable: true,
-      isUserLoggedIn: true,
-      isPublicMap: false,
-      userMindmapId: mindmapId,
-      fitViewOnInit: true,
-      callbacks: {
-        onLoad: function() {
-          console.log('Benutzerdefinierte Mindmap wurde geladen');
-        }
-      }
-    });
-    
-    // Event-Listener für Notiz-Button
-    document.getElementById('add-note-btn').addEventListener('click', function() {
-      // Erstellt eine neue Notiz in der Mitte des Viewports
-      const position = window.userMindmap.cy.pan();
-      
-      window.userMindmap.showAddNoteDialog({
-        x: position.x,
-        y: position.y
-      });
-    });
-    
-    // Event-Listener für Layout-Speichern-Button
-    document.getElementById('save-layout-btn').addEventListener('click', function() {
-      window.userMindmap.saveLayout();
-    });
-  });
-</script>
-{% endblock %} 

update_db.py

@@ -1,65 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-import os
-import sqlite3
-import sys
-
-# Bestimme den absoluten Pfad zur Datenbank
-basedir = os.path.abspath(os.path.dirname(__file__))
-db_path = os.path.join(basedir, 'database', 'systades.db')
-
-def update_user_table():
-    """Aktualisiert die User-Tabelle mit den fehlenden Spalten"""
-    
-    # Überprüfe, ob die Datenbankdatei existiert
-    if not os.path.exists(db_path):
-        print(f"Datenbank nicht gefunden unter: {db_path}")
-        return False
-    
-    # Verbindung zur Datenbank herstellen
-    try:
-        conn = sqlite3.connect(db_path)
-        cursor = conn.cursor()
-        
-        # Überprüfe, ob die neuen Spalten bereits existieren
-        cursor.execute("PRAGMA table_info(user)")
-        columns = [info[1] for info in cursor.fetchall()]
-        
-        # Neue Spalten, die hinzugefügt werden müssen
-        new_columns = {
-            'bio': 'TEXT',
-            'location': 'VARCHAR(100)',
-            'website': 'VARCHAR(200)',
-            'avatar': 'VARCHAR(200)',
-            'last_login': 'DATETIME'
-        }
-        
-        # Spalten hinzufügen, die noch nicht existieren
-        for col_name, col_type in new_columns.items():
-            if col_name not in columns:
-                print(f"Füge Spalte '{col_name}' zur User-Tabelle hinzu...")
-                cursor.execute(f"ALTER TABLE user ADD COLUMN {col_name} {col_type}")
-        
-        # Änderungen speichern
-        conn.commit()
-        print("User-Tabelle erfolgreich aktualisiert!")
-        return True
-        
-    except sqlite3.Error as e:
-        print(f"Fehler bei der Datenbankaktualisierung: {e}")
-        return False
-    finally:
-        if conn:
-            conn.close()
-
-if __name__ == "__main__":
-    # Führe die Aktualisierung durch
-    success = update_user_table()
-    
-    if success:
-        print("Die Datenbank wurde erfolgreich aktualisiert.")
-        sys.exit(0)
-    else:
-        print("Es gab ein Problem bei der Datenbankaktualisierung.")
-        sys.exit(1) 

utils/user_manager.py

@@ -55,7 +55,7 @@ def create_user(username, email, password, is_admin=False):
             user = User(
                 username=username,
                 email=email,
-                role='admin' if is_admin else 'user',
+                is_admin=is_admin,
                 created_at=datetime.utcnow()
             )
             user.set_password(password)

venv/pyvenv.cfg

@@ -1,5 +1,5 @@
 home = C:\Program Files\Python313
 include-system-site-packages = false
 version = 3.13.3
-executable = C:\Users\firem\Desktop\111\Systades\website\.venv\Scripts\python.exe
-command = C:\Users\firem\Desktop\111\Systades\website\.venv\Scripts\python.exe -m venv C:\Users\firem\Desktop\111\Systades\website\venv
+executable = C:\Program Files\Python313\python.exe
+command = C:\Program Files\Python313\python.exe -m venv C:\Users\TTOMCZA.EMEA\Dev\website\venv

windows_setup.bat

@@ -0,0 +1,58 @@
+@echo off
+echo Mindmap Projekt - Windows Setup
+echo ==============================
+echo.
+
+REM Prüfen, ob Python installiert ist
+python --version >nul 2>&1
+if %errorlevel% neq 0 (
+    echo Python ist nicht installiert oder nicht im PATH.
+    echo Bitte installiere Python 3.11 von https://www.python.org/downloads/
+    echo und stelle sicher, dass "Add Python to PATH" während der Installation aktiviert ist.
+    pause
+    exit /b 1
+)
+
+echo Erstelle virtuelle Umgebung...
+python -m venv venv
+if %errorlevel% neq 0 (
+    echo Fehler beim Erstellen der virtuellen Umgebung.
+    pause
+    exit /b 1
+)
+
+echo Aktiviere virtuelle Umgebung...
+call venv\Scripts\activate.bat
+if %errorlevel% neq 0 (
+    echo Fehler beim Aktivieren der virtuellen Umgebung.
+    pause
+    exit /b 1
+)
+
+echo Aktualisiere pip...
+python -m pip install --upgrade pip
+if %errorlevel% neq 0 (
+    echo Warnung: Pip konnte nicht aktualisiert werden. Fahre trotzdem fort.
+)
+
+echo Installiere Abhängigkeiten...
+pip install -r requirements.txt
+if %errorlevel% neq 0 (
+    echo Fehler beim Installieren der Abhängigkeiten.
+    pause
+    exit /b 1
+)
+
+echo.
+echo Setup abgeschlossen!
+echo.
+echo Zum Starten des Servers:
+echo 1. Führe "venv\Scripts\activate.bat" aus
+echo 2. Führe "python TOOLS.py db:rebuild" aus (Nur beim ersten Mal oder zum Zurücksetzen der Datenbank)
+echo 3. Führe "python TOOLS.py user:admin" aus (Erstellt einen Admin-Benutzer: admin/admin)
+echo 4. Führe "python TOOLS.py server:run" aus
+echo.
+echo Die Anwendung ist dann unter http://localhost:5000 erreichbar.
+echo.
+
+pause