feat: 任务失败后继续执行下一条 (#170)

client/test/test_collect_task_service.py

@@ -157,7 +157,7 @@ class CollectTaskServiceTest(unittest.TestCase):
             calls, PddCollectError("PDD_PAGE_CAPTCHA", "需要验证")
         ).execute_one()
 
-        self.assertEqual(outcome.kind, "failed")
+        self.assertEqual(outcome.kind, "global_failed")
         self.assertEqual(
             self.repository.get_task("COL-001").status,
             TaskStatus.MANUAL_REVIEW,
@@ -170,13 +170,75 @@ class CollectTaskServiceTest(unittest.TestCase):
             [], PddCollectError("PDD_GOODS_UNAVAILABLE", message)
         ).execute_one()
 
-        self.assertEqual("business_failed", outcome.kind)
-        self.assertEqual(message, outcome.message)
+        self.assertEqual("task_failed", outcome.kind)
+        self.assertIn(message, outcome.message)
         detail = self.repository.get_task("COL-001")
         self.assertEqual(TaskStatus.FAILED, detail.status)
         self.assertEqual("PDD_GOODS_UNAVAILABLE", detail.last_error_code)
         self.assertEqual(1, self.gateway.submission_count)
 
+    def test_page_timeout_fails_once_without_automatic_retry(self):
+        message = "等待商品页加载超时"
+
+        outcome = self._service(
+            [], PddCollectError("PDD_PAGE_TIMEOUT", message)
+        ).execute_one()
+
+        self.assertEqual("task_failed", outcome.kind)
+        detail = self.repository.get_task("COL-001")
+        self.assertEqual(TaskStatus.FAILED, detail.status)
+        self.assertEqual(0, detail.retry_count)
+        self.assertIn(message, outcome.message)
+
+    def test_task_failure_does_not_block_next_local_task(self):
+        # 直接准备两条本地任务，验证失败任务不会再次被自动选中。
+        for task_id in ("COL-FIRST", "COL-SECOND"):
+            self.repository.add_claimed_task(
+                NewClaimedTask(
+                    remote_task_id=task_id,
+                    task_type=TaskType.COLLECT,
+                    goods_url=f"https://example.test/{task_id}",
+                )
+            )
+        calls = []
+
+        class AcceptGateway:
+            def submit_failure(self, *_args):
+                return SubmissionReceipt(
+                    True, "FAILURE-001", "2026-08-11T08:00:00Z"
+                )
+
+            def submit_result(self, *_args):
+                return SubmissionReceipt(
+                    True, "RESULT-001", "2026-08-11T08:00:01Z"
+                )
+
+        def service(error=None):
+            return CollectTaskService(
+                AcceptGateway(),
+                self.repository,
+                self.client,
+                "USB-001",
+                collect_service_factory=lambda *_args: FakeCollector(calls, error),
+            )
+
+        first = service(
+            PddCollectError("PDD_PAGE_TIMEOUT", "第一页加载超时")
+        ).execute_one()
+        second = service().execute_one()
+
+        self.assertEqual("task_failed", first.kind)
+        self.assertEqual("succeeded", second.kind)
+        self.assertEqual(calls, ["COL-FIRST", "COL-SECOND"])
+        self.assertEqual(
+            TaskStatus.FAILED,
+            self.repository.get_task("COL-FIRST").status,
+        )
+        self.assertEqual(
+            TaskStatus.SUCCEEDED,
+            self.repository.get_task("COL-SECOND").status,
+        )
+
     def test_execute_selected_only_runs_requested_local_task(self):
         for task_id in ("COL-SELECTED", "COL-OTHER"):
             self.repository.add_claimed_task(