fix

app/Http/Controllers/SurveyQuestionController.php

@@ -9,6 +9,7 @@
 use App\Models\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Http;
 use Illuminate\Validation\ValidationException;
 
 class SurveyQuestionController extends Controller
@@ -127,6 +128,34 @@ public function adminUserShow($identifier)
         return response()->json($user);
     }
 
+    // ADMIN: update a user's profile fields from approagency data.
+    public function adminUserUpdate(Request $request, $identifier)
+    {
+        if (is_numeric($identifier)) {
+            $user = User::where('id', $identifier)->first();
+        } else {
+            $user = User::where('identifier', $identifier)->first();
+        }
+
+        if (!$user) {
+            abort(404);
+        }
+
+        $data = $request->validate([
+            'first_name' => 'nullable|string',
+            'last_name' => 'nullable|string',
+            'age' => 'nullable|integer',
+            'gender' => 'nullable|integer',
+            'birthday' => 'nullable|string',
+            'identifier' => 'nullable|string',
+            'email' => 'nullable|email',
+        ]);
+
+        $user->update(array_filter($data, fn ($v) => !is_null($v)));
+
+        return response()->json($user);
+    }
+
     // ADMIN: clean aggregated results — per option vote counts & percentages, no raw rows.
     // Pass an $id for one question, omit it for all questions.
     public function adminAnalytics($id = null)