feat: Implement email verification flow for user registration, update API base URL, and refine agent search screen UI.

lib/features/auth/presentation/providers/auth_provider.dart

@@ -20,6 +20,7 @@ class AuthState {
   final bool requiresTwoFactor;
   final String? tempToken;
   final String? twoFactorEmail;
+  final bool registrationSuccess;
 
   const AuthState({
     this.status = AuthStatus.initial,
@@ -30,6 +31,7 @@ class AuthState {
     this.requiresTwoFactor = false,
     this.tempToken,
     this.twoFactorEmail,
+    this.registrationSuccess = false,
   });
 
   AuthState copyWith({
@@ -41,6 +43,7 @@ class AuthState {
     bool? requiresTwoFactor,
     String? tempToken,
     String? twoFactorEmail,
+    bool? registrationSuccess,
   }) {
     return AuthState(
       status: status ?? this.status,
@@ -51,6 +54,7 @@ class AuthState {
       requiresTwoFactor: requiresTwoFactor ?? this.requiresTwoFactor,
       tempToken: tempToken ?? this.tempToken,
       twoFactorEmail: twoFactorEmail ?? this.twoFactorEmail,
+      registrationSuccess: registrationSuccess ?? this.registrationSuccess,
     );
   }
 
@@ -182,7 +186,7 @@ class AuthNotifier extends StateNotifier<AuthState> {
     final lastName = nameParts.length > 1 ? nameParts.sublist(1).join(' ') : null;
 
     try {
-      final user = await _repository.register(
+      await _repository.register(
         RegisterRequest(
           email: email,
           password: password,
@@ -193,13 +197,12 @@ class AuthNotifier extends StateNotifier<AuthState> {
         ),
       );
 
+      // Registration successful — user must verify email before logging in
       state = state.copyWith(
-        status: AuthStatus.authenticated,
-        user: user,
+        status: AuthStatus.initial,
         registeredEmail: email,
+        registrationSuccess: true,
       );
-      _connectSocket();
-      _initPushNotifications();
     } on ApiException catch (e) {
       state = state.copyWith(
         status: AuthStatus.error,