feat(collect): persist product status snapshots

tests/test_db.py

@@ -40,6 +40,9 @@ class DbTests(TempDirMixin, unittest.TestCase):
                         "image_task_key",
                         "cover_reset_count",
                         "cover_reset_at",
+                        "product_status",
+                        "product_status_note",
+                        "product_status_at",
                     }.issubset(task_columns)
                 )
             finally:
@@ -113,9 +116,13 @@ class DbTests(TempDirMixin, unittest.TestCase):
                 }
                 self.assertIn("cover_reset_count", columns)
                 self.assertIn("cover_reset_at", columns)
+                self.assertIn("product_status", columns)
+                self.assertIn("product_status_note", columns)
+                self.assertIn("product_status_at", columns)
                 task = db.get_task(1, conn=conn)
                 self.assertEqual(0, task.cover_reset_count)
                 self.assertIsNone(task.cover_reset_at)
+                self.assertIsNone(task.product_status)
             finally:
                 conn.close()
 
@@ -217,6 +224,62 @@ class DbTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_product_status_snapshot_preserves_collection_lifecycle_and_content(self):
+        with self.make_temp_dir() as temp_dir:
+            db_path = os.path.join(temp_dir, "cmshopee.db")
+            db.init_db(db_path)
+            batch_id = db.create_batch(["input.xlsx"], path=db_path)
+            db.insert_tasks(
+                batch_id,
+                [
+                    {
+                        "source_file_abs": os.path.join(temp_dir, "input.xlsx"),
+                        "source_sheet": "Sheet1",
+                        "source_row": 2,
+                        "account_name": "shop",
+                        "alias": "alias",
+                        "item_id": "51100639510",
+                    }
+                ],
+                path=db_path,
+            )
+            task = db.list_tasks(batch_id=batch_id, path=db_path)[0]
+
+            db.set_collected(task.id, "旧标题", "old.jpg", db_path)
+            db.set_product_status(
+                task.id,
+                "reviewing",
+                "审核说明",
+                "2026-07-18T09:00:00",
+                path=db_path,
+            )
+            status_only = db.get_task(task.id, path=db_path)
+            self.assertEqual("collected", status_only.stage)
+            self.assertEqual("success", status_only.status)
+            self.assertEqual("旧标题", status_only.old_title)
+            self.assertEqual("old.jpg", status_only.old_cover_path)
+            self.assertEqual("reviewing", status_only.product_status)
+            self.assertEqual("审核说明", status_only.product_status_note)
+            self.assertEqual("2026-07-18T09:00:00", status_only.product_status_at)
+
+            db.set_collected(
+                task.id,
+                "重新采集标题",
+                "new-old.jpg",
+                product_status_value="not-a-status",
+                product_status_note="x" * 2200,
+                product_status_at="2026-07-18T10:00:00",
+                path=db_path,
+            )
+            refreshed = db.get_task(task.id, path=db_path)
+            self.assertEqual("unknown", refreshed.product_status)
+            self.assertEqual("重新采集标题", refreshed.old_title)
+            self.assertEqual("new-old.jpg", refreshed.old_cover_path)
+            self.assertEqual("2026-07-18T10:00:00", refreshed.product_status_at)
+            self.assertEqual(2000, len(refreshed.product_status_note))
+
+        self.assert_removed(temp_dir)
+
     def test_set_generated_cover_preserves_title_and_records_ai_success(self):
         with self.make_temp_dir() as temp_dir:
             db_path = os.path.join(temp_dir, "cmshopee.db")