feat: enhance profile screen with tab navigation and admin panels

- Added tab navigation for profile, database, users, suggestions, and AI sections.
- Implemented database management with inventory, pantry, and products tabs.
- Created Admin AI panel to display AI model information.
- Introduced Admin Pending Products panel for managing product approvals.
- Developed Admin Users panel for user management, including role changes and password resets.
- Added data models for AI models and pending products.

flutter/lib/features/admin/domain/ai_model_info.dart

@@ -0,0 +1,29 @@
+class AiModelInfo {
+  final String id;
+  final String name;
+  final String description;
+  final String model;
+  final String path;
+  final String trigger;
+  final String access;
+
+  const AiModelInfo({
+    required this.id,
+    required this.name,
+    required this.description,
+    required this.model,
+    required this.path,
+    required this.trigger,
+    required this.access,
+  });
+
+  factory AiModelInfo.fromJson(Map<String, dynamic> json) => AiModelInfo(
+        id: (json['id'] ?? '').toString(),
+        name: (json['name'] ?? '').toString(),
+        description: (json['description'] ?? '').toString(),
+        model: (json['model'] ?? '').toString(),
+        path: (json['path'] ?? '').toString(),
+        trigger: (json['trigger'] ?? '').toString(),
+        access: (json['access'] ?? '').toString(),
+      );
+}