feat: pass role, agent type, and auth mode to social login providers and repository

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

@@ -178,7 +178,11 @@ class AuthNotifier extends StateNotifier<AuthState> {
     }
   }
 
-  Future<void> signInWithGoogle() async {
+  Future<void> signInWithGoogle({
+    String? role,
+    String? agentTypeId,
+    String mode = 'signup',
+  }) async {
     state = state.copyWith(
       status: AuthStatus.loading,
       errorMessage: null,
@@ -204,6 +208,9 @@ class AuthNotifier extends StateNotifier<AuthState> {
         email: account.email,
         name: account.displayName,
         avatar: account.photoUrl,
+        role: role,
+        agentTypeId: agentTypeId,
+        mode: mode,
       );
 
       state = state.copyWith(
@@ -226,7 +233,11 @@ class AuthNotifier extends StateNotifier<AuthState> {
     }
   }
 
-  Future<void> signInWithFacebook() async {
+  Future<void> signInWithFacebook({
+    String? role,
+    String? agentTypeId,
+    String mode = 'signup',
+  }) async {
     state = state.copyWith(
       status: AuthStatus.loading,
       errorMessage: null,
@@ -273,6 +284,9 @@ class AuthNotifier extends StateNotifier<AuthState> {
         email: email,
         name: userData['name'] as String?,
         avatar: avatarUrl,
+        role: role,
+        agentTypeId: agentTypeId,
+        mode: mode,
       );
 
       state = state.copyWith(
@@ -296,7 +310,12 @@ class AuthNotifier extends StateNotifier<AuthState> {
   }
 
   /// Complete Twitter/X login after webview returns user data.
-  Future<void> completeTwitterLogin(Map<String, dynamic> twitterUser) async {
+  Future<void> completeTwitterLogin(
+    Map<String, dynamic> twitterUser, {
+    String? role,
+    String? agentTypeId,
+    String mode = 'signup',
+  }) async {
     state = state.copyWith(
       status: AuthStatus.loading,
       errorMessage: null,
@@ -310,6 +329,9 @@ class AuthNotifier extends StateNotifier<AuthState> {
         email: '${twitterUser['username']}@x.com',
         name: twitterUser['name'] as String?,
         avatar: twitterUser['avatar'] as String?,
+        role: role,
+        agentTypeId: agentTypeId,
+        mode: mode,
       );
 
       state = state.copyWith(