feat(tahesab): reset local success flags when remote docs were wiped

Clear tahesab_id on locally successful rows so they re-enter the send queue without touching panel customer codes.

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

app/Http/Controllers/Admin/TahesabController.php

@@ -743,6 +743,13 @@ class TahesabController extends Controller
         return response()->json($result);
     }
 
+    public function resetLocalDocSync()
+    {
+        $result = $this->sync()->resetLocalSyncedDocs();
+
+        return response()->json($result, ($result['ok'] ?? false) ? 200 : 422);
+    }
+
     public function startCustomerOutbound()
     {
         $result = app(TahesabDocSyncService::class)->startCustomerOutbound();