feat: add AI recommendations flow for tenders

Implement company AI onboarding/recommendation models, services, repository, and tender UI integration with supporting tests.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/core/providers/profile_provider.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import '../../data/repositories/auth_repository.dart';
+import '../../data/repositories/company_ai_repository.dart';
 import '../../data/repositories/profile_repository.dart';
 import '../../view_models/profile_view_model.dart';
 
@@ -13,6 +14,7 @@ Widget profileProvider({required Widget child}) {
         (context) => ProfileViewModel(
           profileRepository: context.read<ProfileRepository>(),
           authRepository: context.read<AuthRepository>(),
+          companyAiRepository: context.read<CompanyAiRepository>(),
         ),
     child: child,
   );

lib/core/providers/tenders_provider.dart

@@ -1,17 +1,33 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
+import '../../data/repositories/company_ai_repository.dart';
+import '../../data/repositories/home_repository.dart';
 import '../../data/repositories/tenders_repository.dart';
+import '../../view_models/ai_recommendations_view_model.dart';
 import '../../view_models/tenders_view_model.dart';
 
-/// Lazy TendersViewModel provider
-/// Wraps screens that need TendersViewModel
+/// Lazy providers for the tenders section.
+///
+/// Provides [TendersViewModel] (the "All" tab) and [AiRecommendationsViewModel]
+/// (the "Recommended" AI tab) to screens that need them.
 Widget tendersProvider({required Widget child}) {
-  return ChangeNotifierProvider(
-    create:
-        (context) => TendersViewModel(
-          tendersRepository: context.read<TendersRepository>(),
-        ),
+  return MultiProvider(
+    providers: [
+      ChangeNotifierProvider(
+        create:
+            (context) => TendersViewModel(
+              tendersRepository: context.read<TendersRepository>(),
+            ),
+      ),
+      ChangeNotifierProvider(
+        create:
+            (context) => AiRecommendationsViewModel(
+              companyAiRepository: context.read<CompanyAiRepository>(),
+              homeRepository: context.read<HomeRepository>(),
+            ),
+      ),
+    ],
     child: child,
   );
 }