feat: include failed step in task errors

tests/test_gui.py

@@ -163,6 +163,62 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             model.data(model.index(0, 3), gui.Qt.ToolTipRole),
         )
 
+    def test_workflow_failed_tooltips_show_failed_step_and_reason(self):
+        account = SimpleNamespace(alias="papa", account_name="papa 店铺")
+        collect_task = SimpleNamespace(
+            alias="papa",
+            account_name="papa 店铺",
+            item_id="25120403046",
+            stage="imported",
+            status="failed",
+            last_error="读封面失败：图片超过大小上限",
+        )
+        generate_task = SimpleNamespace(
+            alias="papa",
+            account_name="papa 店铺",
+            item_id="26887160467",
+            old_title="旧标题",
+            new_title="",
+            stage="collected",
+            status="failed",
+            last_error="请求生成标题失败：cmhub 上游生成失败",
+            collect_attempts=1,
+            generate_attempts=1,
+            apply_attempts=0,
+            committed=0,
+        )
+        apply_task = SimpleNamespace(
+            alias="papa",
+            account_name="papa 店铺",
+            item_id="28431952912",
+            new_title="新标题",
+            new_cover_path="new.jpg",
+            stage="generated",
+            status="failed",
+            last_error="点击更新失败：按钮禁用",
+        )
+
+        collect_model = gui.TaskTableModel()
+        collect_model.set_tasks([collect_task], [account])
+        self.assertEqual(
+            "读封面失败：图片超过大小上限",
+            collect_model.data(collect_model.index(0, 3), gui.Qt.ToolTipRole),
+        )
+
+        generate_model = gui.GenerateTaskTableModel()
+        generate_model.set_tasks([generate_task], [account])
+        self.assertEqual(
+            "请求生成标题失败：cmhub 上游生成失败",
+            generate_model.data(generate_model.index(0, 4), gui.Qt.ToolTipRole),
+        )
+
+        apply_model = gui.ApplyTaskTableModel()
+        apply_model.set_tasks([apply_task], [account])
+        self.assertEqual(
+            "点击更新失败：按钮禁用",
+            apply_model.data(apply_model.index(0, 5), gui.Qt.ToolTipRole),
+        )
+
     def test_main_window_has_five_tabs_in_workflow_order(self):
         with self.make_temp_dir() as temp_dir:
             window = MainWindow(config=self.make_config(temp_dir))
@@ -3343,7 +3399,7 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             self.assertEqual(1, by_alias["alias-a"].committed)
             self.assertEqual("generated", by_alias["alias-b"].stage)
             self.assertEqual("failed", by_alias["alias-b"].status)
-            self.assertEqual("UPDATE_DISABLED", by_alias["alias-b"].last_error)
+            self.assertEqual("更新商品失败：UPDATE_DISABLED", by_alias["alias-b"].last_error)
             self.assertEqual(0, by_alias["alias-b"].committed)
             self.assertEqual("skipped", by_alias["missing"].status)
             self.assertEqual("别名未匹配账号", by_alias["missing"].last_error)