feat: 安全应用采购规格解析结果 (#257)

client/test/test_task_repository.py

@@ -114,6 +114,60 @@ class TaskRepositoryTests(unittest.TestCase):
         self.assertEqual(detail.admin_payload["task_id"], "TASK-001")
         self.assertEqual(detail.pdd_data["schema_version"], 1)
 
+    def test_purchase_spec_resolution_request_is_persisted_before_response(self):
+        self.repository.add_claimed_task(
+            self._task("PUR-SPEC", TaskType.PURCHASE)
+        )
+        started = self.repository.start_purchase_run("PUR-SPEC", "USB-001")
+        request = {
+            "schema_version": 1,
+            "candidate_snapshot_hash": "a" * 64,
+            "candidates": [{"candidate_id": "c1", "raw_text": "L"}],
+        }
+
+        first = self.repository.prepare_purchase_spec_resolution(
+            "PUR-SPEC", started.attempt_id, "spec-resolution-v1:key", request
+        )
+        second = self.repository.prepare_purchase_spec_resolution(
+            "PUR-SPEC", started.attempt_id, "spec-resolution-v1:key", request
+        )
+
+        self.assertEqual(first.id, second.id)
+        self.assertEqual(first.status, "pending")
+        self.assertEqual(first.request_json, request)
+        saved = self.repository.save_purchase_spec_resolution(
+            first.id,
+            {
+                "resolution_id": "psr-001",
+                "outcome": "matched",
+                "source": "rule",
+                "confidence_bps": 10000,
+                "match": {
+                    "candidate_id": "c1",
+                    "raw_text": "L",
+                    "options": {"color": "黑色", "size": "L"},
+                },
+                "reason": "唯一匹配",
+                "resolved_at": "2026-08-17T08:00:01Z",
+            },
+        )
+        self.assertEqual(saved.status, "resolved")
+        self.assertEqual(saved.resolution_id, "psr-001")
+        self.assertEqual(saved.match_options["size"], "L")
+        with self.assertRaisesRegex(ValueError, "不同响应"):
+            self.repository.save_purchase_spec_resolution(
+                first.id,
+                {
+                    "resolution_id": "psr-other",
+                    "outcome": "rejected",
+                    "source": None,
+                    "confidence_bps": None,
+                    "match": None,
+                    "reason": "内容变化",
+                    "resolved_at": "2026-08-17T08:00:02Z",
+                },
+            )
+
     def test_live_mode_and_irreversible_marker_are_persisted_once(self) -> None:
         self.repository.add_claimed_task(
             self._task(