fix: clarify AI generation failure retry states

tests/test_gui.py

@@ -1934,6 +1934,39 @@ class GuiTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_generate_tab_explains_collect_failed_records_are_not_generatable(self):
+        with self.make_temp_dir() as temp_dir:
+            cfg = self.make_config(temp_dir)
+            accounts.create_account("主店", "alias-a", debug_port=9222, config=cfg)
+            batch_id = db.create_batch(["input.xlsx"], path=cfg["db_path"])
+            db.insert_tasks(
+                batch_id,
+                [
+                    {
+                        "source_file_abs": os.path.join(temp_dir, "input.xlsx"),
+                        "source_sheet": "商品",
+                        "source_row": 2,
+                        "account_name": "Excel主店",
+                        "alias": "alias-a",
+                        "item_id": "51100639510",
+                    }
+                ],
+                path=cfg["db_path"],
+            )
+            task = db.list_tasks(batch_id=batch_id, path=cfg["db_path"])[0]
+            db.mark_failed(task.id, "collect", "采集失败", path=cfg["db_path"])
+            statuses = []
+            tab = GenerateTab(config=cfg, status_callback=statuses.append)
+            self.addCleanup(tab.close)
+
+            self.assertEqual("采集失败", tab.model.index(0, 4).data())
+            tab.start_generate()
+
+            self.assertIsNone(tab.generate_worker)
+            self.assertIn("没有待生成或生成失败可重试任务", statuses[-1])
+            self.assertIn("①导入采集", statuses[-1])
+
+        self.assert_removed(temp_dir)
     def test_apply_tab_does_not_auto_mix_latest_apply_run_log(self):
         with self.make_temp_dir() as temp_dir:
             cfg = self.make_config(temp_dir)
@@ -3028,7 +3061,7 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             tab.status_filter.setCurrentIndex(tab.status_filter.findData("all"))
             tab.batch_filter.setCurrentIndex(tab.batch_filter.findData(batch_b))
             self.assertEqual(1, tab.model.rowCount())
-            self.assertEqual("失败", tab.model.index(0, 4).data())
+            self.assertEqual("生成失败", tab.model.index(0, 4).data())
             self.assert_foreground(tab.model, 0, 4, gui.COLOR_DANGER)
             self.assertEqual(
                 "生成失败",