fix parsing db and tests

tests/test_scraper.py

@@ -39,6 +39,8 @@ class TestScraperSync(unittest.TestCase):
         result = scraper.sync_vehicle("https://www.iaai.com/VehicleDetail/111~US")
 
         self.assertEqual(result["status"], "success")
+        self.assertIn("trace_id", result)
+        self.assertIn("elapsed_seconds", result)
         self.assertEqual(scraper.persistence.upsert_car.call_count, 1)
 
     def test_sync_listing_uses_db_record_without_remapping(self) -> None:
@@ -58,8 +60,42 @@ class TestScraperSync(unittest.TestCase):
 
         self.assertEqual(result["cars_upserted"], 1)
         self.assertEqual(result["cars_failed"], 0)
+        self.assertIn("trace_id", result)
+        self.assertIn("elapsed_seconds", result)
         self.assertEqual(scraper.persistence.upsert_car.call_count, 1)
 
+    def test_sync_listing_respects_limit(self) -> None:
+        scraper = self._make_scraper()
+
+        scraper.persistence.create_tables = MagicMock()
+        scraper.persistence.start_sync_run = MagicMock(return_value=3)
+        scraper.persistence.finish_sync_run = MagicMock()
+        scraper.persistence.upsert_car = MagicMock(return_value={"action": "inserted", "images_upserted": 1})
+        scraper.collect_listing = MagicMock(return_value={
+            "vehicle_urls": [
+                "https://www.iaai.com/VehicleDetail/222~US",
+                "https://www.iaai.com/VehicleDetail/333~US",
+            ]
+        })
+        scraper._scrape_on_page = MagicMock(return_value={"db_record": make_db_record("222")})
+        scraper._get_page = MagicMock(return_value=MagicMock())
+
+        scraper.sync_listing(limit=1)
+
+        self.assertEqual(scraper._scrape_on_page.call_count, 1)
+
+    def test_close_resets_browser_state(self) -> None:
+        scraper = self._make_scraper()
+        scraper.context = MagicMock()
+        scraper.browser = MagicMock()
+        scraper.playwright = MagicMock()
+
+        scraper.close()
+
+        self.assertIsNone(scraper.context)
+        self.assertIsNone(scraper.browser)
+        self.assertIsNone(scraper.playwright)
+
 
 if __name__ == "__main__":
     unittest.main()