fix: 修复 PDD 页面误判与失败回执 (#35)

client/test/test_http_admin_gateway.py

@@ -181,6 +181,43 @@ class HttpAdminGatewayTest(unittest.TestCase):
 
         self.assertTrue(opener.request.full_url.endswith("/COL-001/failure"))
 
+    def test_submit_failure_accepts_legacy_admin_receipt_without_result_id(self):
+        gateway = HttpAdminGateway(
+            opener=RecordingOpener(
+                FakeResponse(
+                    200,
+                    {
+                        "accepted": True,
+                        "task_status": "assigned",
+                        "accepted_at": "2026-08-07T08:00:01Z",
+                    },
+                )
+            ),
+            client_id="CLIENT-001",
+        )
+
+        receipt = gateway.submit_failure(
+            "COL-001",
+            "COL-001:ATTEMPT-001:failure-v1",
+            {"status": "retry_wait"},
+        )
+
+        self.assertTrue(receipt.accepted)
+        self.assertTrue(receipt.result_id.startswith("legacy-failure-"))
+
+    def test_malformed_2xx_submission_is_retryable_and_not_called_rejected(self):
+        gateway = HttpAdminGateway(
+            opener=RecordingOpener(FakeResponse(200, {"accepted": True})),
+            client_id="CLIENT-001",
+        )
+
+        with self.assertRaises(AdminGatewayError) as raised:
+            gateway.submit_result("COL-001", "key-1", {})
+
+        self.assertEqual(raised.exception.code, "ADMIN_INVALID_RESPONSE")
+        self.assertTrue(raised.exception.retryable)
+        self.assertIn("可能已接收", str(raised.exception))
+
     def test_claim_maps_real_admin_payload_and_only_reports_collect(self):
         opener = RecordingOpener(
             FakeResponse(