Fix case-insensitive brand search, add hotspots endpoint and clean URLs

- Make brand and model name queries case-insensitive using UPPER()
- Add /api/diagrams/<id>/hotspots endpoint for fetching diagram hotspots
- Add /admin and /landing clean URL routes for HTML pages

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

dashboard/server.py

@@ -59,7 +59,7 @@ def get_models_by_brand(brand_name=None):
             JOIN brands b ON m.brand_id = b.id
             JOIN model_year_engine mye ON mye.model_id = m.id
             JOIN vehicle_parts vp ON vp.model_year_engine_id = mye.id
-            WHERE b.name = ?
+            WHERE UPPER(b.name) = UPPER(?)
             ORDER BY m.name
         """, (brand_name,))
     else:
@@ -109,10 +109,10 @@ def search_vehicles(brand=None, model=None, year=None, engine=None, with_parts=T
     
     params = []
     if brand:
-        query += " AND b.name = ?"
+        query += " AND UPPER(b.name) = UPPER(?)"
         params.append(brand)
     if model:
-        query += " AND m.name = ?"
+        query += " AND UPPER(m.name) = UPPER(?)"
         params.append(model)
     if year:
         query += " AND y.year = ?"
@@ -153,6 +153,16 @@ def index():
     """Serve the main dashboard page"""
     return send_from_directory('.', 'index.html')
 
+@app.route('/admin')
+def admin_page():
+    """Serve the admin panel"""
+    return send_from_directory('.', 'admin.html')
+
+@app.route('/landing')
+def landing_page():
+    """Serve the customer landing page"""
+    return send_from_directory('.', 'customer-landing.html')
+
 @app.route('/<path:path>')
 def static_files(path):
     """Serve static files"""
@@ -184,10 +194,10 @@ def api_years():
 
     params = []
     if brand:
-        query += " AND b.name = ?"
+        query += " AND UPPER(b.name) = UPPER(?)"
         params.append(brand)
     if model:
-        query += " AND m.name = ?"
+        query += " AND UPPER(m.name) = UPPER(?)"
         params.append(model)
 
     query += " ORDER BY y.year DESC"
@@ -221,10 +231,10 @@ def api_engines():
 
     params = []
     if brand:
-        query += " AND b.name = ?"
+        query += " AND UPPER(b.name) = UPPER(?)"
         params.append(brand)
     if model:
-        query += " AND m.name = ?"
+        query += " AND UPPER(m.name) = UPPER(?)"
         params.append(model)
     if year:
         query += " AND y.year = ?"
@@ -661,11 +671,11 @@ def api_model_year_engine():
         params = []
 
         if brand:
-            query += " AND b.name = ?"
+            query += " AND UPPER(b.name) = UPPER(?)"
             params.append(brand)
 
         if model:
-            query += " AND m.name = ?"
+            query += " AND UPPER(m.name) = UPPER(?)"
             params.append(model)
 
         if year:
@@ -1127,6 +1137,50 @@ def api_diagram_detail(diagram_id):
         return jsonify({'error': str(e)}), 500
 
 
+@app.route('/api/diagrams/<int:diagram_id>/hotspots')
+def api_diagram_hotspots(diagram_id):
+    """Get all hotspots for a specific diagram"""
+    try:
+        conn = get_db_connection()
+        cursor = conn.cursor()
+
+        cursor.execute("""
+            SELECT
+                h.id,
+                h.part_id,
+                h.callout_number,
+                h.label,
+                h.shape,
+                h.coords,
+                h.color,
+                p.name AS part_name,
+                p.oem_part_number AS part_number
+            FROM diagram_hotspots h
+            LEFT JOIN parts p ON h.part_id = p.id
+            WHERE h.diagram_id = ?
+            ORDER BY h.callout_number
+        """, (diagram_id,))
+
+        hotspots = []
+        for row in cursor.fetchall():
+            hotspots.append({
+                'id': row['id'],
+                'part_id': row['part_id'],
+                'callout_number': row['callout_number'],
+                'label': row['label'],
+                'shape': row['shape'],
+                'coords': row['coords'],
+                'color': row['color'],
+                'part_name': row['part_name'],
+                'part_number': row['part_number']
+            })
+
+        conn.close()
+        return jsonify(hotspots)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
 @app.route('/api/groups/<int:group_id>/diagrams')
 def api_group_diagrams(group_id):
     """Get all diagrams for a specific part group"""
@@ -2899,11 +2953,11 @@ def api_admin_list_fitment():
             params.append(mye_id)
 
         if brand:
-            where_clause += " AND b.name = ?"
+            where_clause += " AND UPPER(b.name) = UPPER(?)"
             params.append(brand)
 
         if model:
-            where_clause += " AND m.name = ?"
+            where_clause += " AND UPPER(m.name) = UPPER(?)"
             params.append(model)
 
         # Count query