chore: Update dependencies, switch Flutter web renderer to HTML, replace media_kit with video_player/chewie, and remove Hive volume from Docker setup.

lib/features/auth/providers/auth_provider.dart

@@ -40,14 +40,18 @@ class AuthNotifier extends StateNotifier<AuthState> {
 
     try {
       final usersBox = HiveService.usersBox;
-      final passwordHash = HiveService.hashPassword(password);
 
-      // Search for user with matching credentials
+      // Search for user by username
       final user = usersBox.values.firstWhere(
-        (user) => user.username == username && user.passwordHash == passwordHash,
-        orElse: () => throw Exception('Invalid credentials'),
+        (user) => user.username == username,
+        orElse: () => throw Exception('User not found'),
       );
 
+      // Verify password using salt-based hashing
+      if (!HiveService.verifyPassword(password, user.passwordHash)) {
+        throw Exception('Invalid password');
+      }
+
       state = AuthState(currentUser: user, isLoading: false);
       return true;
     } catch (e) {
@@ -59,6 +63,7 @@ class AuthNotifier extends StateNotifier<AuthState> {
     }
   }
 
+
   /// Logout current user
   void logout() {
     state = const AuthState();