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

blueprints/counting.py

@@ -10,6 +10,32 @@ def get_active_session(session_id):
         return None
     return sess
 
+@counting_bp.route('/counts')
+@login_required
+def index():
+    """Counts module landing - show active sessions"""
+    # Check if user has access to this module
+    user_id = session.get('user_id')
+    has_access = query_db('''
+        SELECT 1 FROM UserModules um
+        JOIN Modules m ON um.module_id = m.module_id
+        WHERE um.user_id = ? AND m.module_key = 'counting' AND m.is_active = 1
+    ''', [user_id], one=True)
+    
+    if not has_access:
+        flash('You do not have access to this module', 'danger')
+        return redirect(url_for('home'))
+    
+    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)
+
+
 @counting_bp.route('/count/<int:session_id>')
 @login_required
 def count_session(session_id):
@@ -19,7 +45,7 @@ def count_session(session_id):
     
     if not sess:
         flash('Session not found or not active', 'danger')
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('counting.index'))
     
     # Redirect to my_counts page (staff can manage multiple bins)
     return redirect(url_for('counting.my_counts', session_id=session_id))
@@ -33,11 +59,11 @@ def my_counts(session_id):
     
     if not sess:
         flash('Session not found', 'danger')
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('counting.index'))
     
     if sess['status'] == 'archived':
         flash('This session has been archived', 'warning')
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('counting.index'))
     
     # Get this user's active bins
     active_bins = query_db('''
@@ -78,7 +104,7 @@ def start_bin_count(session_id):
     sess = get_active_session(session_id)
     if not sess:
         flash('Session not found or archived', 'warning')
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('counting.index'))
     if not sess['master_baseline_timestamp']:
         flash('Master File not uploaded. Please upload it before starting bins.', 'warning')
         return redirect(url_for('counting.my_counts', session_id=session_id))
@@ -146,7 +172,7 @@ def count_location(session_id, location_count_id):
     sess = get_active_session(session_id)
     if not sess:
         flash('Session not found or archived', 'warning')
-        return redirect(url_for('dashboard'))
+        return redirect(url_for('counting.index'))
     if not sess['master_baseline_timestamp']:
         flash('Master File not uploaded. Please upload it before starting bins.', 'warning')
         return redirect(url_for('counting.my_counts', session_id=session_id))