Bootstrap architecture rules from task history

tests/test_poll_policy.py

@@ -15,10 +15,61 @@ if str(PACKAGE_DIR) in sys.path:
 sys.path.insert(0, str(PACKAGE_DIR))
 
 from outcome_tracker import OutcomeTracker  # noqa: E402
-from poll_runner import _load_task_compatibility_contexts, resolve_age_cleanup_policy  # noqa: E402
+from poll_runner import (  # noqa: E402
+    _bootstrap_architecture_history,
+    _load_task_compatibility_contexts,
+    resolve_age_cleanup_policy,
+)
 
 
 class PollPolicyTests(unittest.TestCase):
+    def test_architecture_bootstrap_falls_back_when_public_logs_are_hidden(self) -> None:
+        class HistoryClient:
+            @staticmethod
+            def list_tasks_page(**_kwargs):  # noqa: ANN003
+                return {
+                    "data": {
+                        "records": [
+                            {
+                                "taskId": "public-failure",
+                                "modelId": "public/model",
+                                "gpuType": "gpu",
+                                "status": "success",
+                                "verifyResult": -1,
+                                "logCosUrl": None,
+                            }
+                        ]
+                    }
+                }
+
+            @staticmethod
+            def list_tasks(**_kwargs):  # noqa: ANN003
+                return [
+                    {
+                        "taskId": "owned-success",
+                        "modelId": "owner/model",
+                        "gpuType": "gpu",
+                        "modelTaskLevelId": 23,
+                        "status": "success",
+                        "verifyResult": 1,
+                        "updateTime": datetime.now(timezone.utc).isoformat(),
+                    }
+                ]
+
+        with tempfile.TemporaryDirectory() as temporary_dir:
+            root = Path(temporary_dir)
+            tracker = OutcomeTracker(root / "outcomes.jsonl")
+            summary = _bootstrap_architecture_history(
+                modelhub_client=HistoryClient(),  # type: ignore[arg-type]
+                outcome_tracker=tracker,
+                ledger_path=root / "ledger.jsonl",
+                now=datetime.now(timezone.utc),
+            )
+
+        self.assertEqual("owned_full_history", summary["source"])
+        self.assertEqual(1, summary["terminalRecords"])
+        self.assertEqual(0, summary["communityUsableFailureDetails"])
+
     def test_cleanup_contexts_merge_outcomes_with_older_ledger_entries(self) -> None:
         with tempfile.TemporaryDirectory() as temporary_dir:
             root = Path(temporary_dir)