v0.12.0 - Add modular system architecture with user-based module access

- Add Modules and UserModules database tables
- Create home page with module selection grid
- Implement per-user module assignment in user management
- Add route guards for module access control
- Refactor navigation: login -> home -> modules, admin console via button
- Add Font Awesome icons

app.py

@@ -36,7 +36,7 @@ app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(hours=1)
 
 
 # 1. Define the version
-APP_VERSION = '0.11.3'
+APP_VERSION = '0.12.0'
 
 # 2. Inject it into all templates automatically
 @app.context_processor
@@ -59,7 +59,7 @@ if not os.path.exists(db_path):
 def index():
     """Landing page - redirect based on login status"""
     if 'user_id' in session:
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('home'))
     return redirect(url_for('login'))
 
 
@@ -79,7 +79,7 @@ def login():
             session['full_name'] = user['full_name']
             session['role'] = user['role']
             flash(f'Welcome back, {user["full_name"]}!', 'success')
-            return redirect(url_for('dashboard'))
+            return redirect(url_for('home'))
         else:
             flash('Invalid username or password', 'danger')
     
@@ -94,11 +94,30 @@ def logout():
     return redirect(url_for('login'))
 
 
+# ==================== ROUTES: HOME ====================
+@app.route('/home')
+@login_required
+def home():
+    """Module selection landing page"""
+    user_id = session.get('user_id')
+    
+    # Get modules this user has access to
+    modules = query_db('''
+        SELECT m.module_id, m.module_name, m.module_key, m.description, m.icon
+        FROM Modules m
+        JOIN UserModules um ON m.module_id = um.module_id
+        WHERE um.user_id = ? AND m.is_active = 1
+        ORDER BY m.display_order
+    ''', [user_id])
+    
+    return render_template('home.html', modules=modules)
+
+
 # ==================== ROUTES: DASHBOARD ====================
 
-@app.route('/dashboard')
+@app.route('/admin')
 @login_required
-def dashboard():
+def admin_dashboard():
     """Main dashboard - different views for admin vs staff"""
     role = session.get('role')
     
@@ -136,17 +155,7 @@ def dashboard():
             ''')
         
         return render_template('admin_dashboard.html', sessions=sessions_list, show_archived=show_archived)
-    
-    else:
-        # Staff dashboard
-        active_sessions = query_db('''
-            SELECT session_id, session_name, session_type, created_timestamp
-            FROM CountSessions
-            WHERE status = 'active'
-            ORDER BY created_timestamp DESC
-        ''')
-        
-        return render_template('staff_dashboard.html', sessions=active_sessions)
+
 
 
 @app.route('/staff-mode')