fix(automation): expose durable history degradation

apps/api/tests/test_incident_readback_source_truth.py

@@ -6,6 +6,7 @@ from unittest.mock import AsyncMock
 import pytest
 from fastapi import HTTPException
 
+from src.api.v1 import auto_repair as auto_repair_api
 from src.api.v1 import incidents as incidents_api
 from src.models.incident import Incident, IncidentStatus, Severity
 from src.repositories import incident_repository as incident_repository_module
@@ -247,3 +248,52 @@ async def test_incident_detail_reports_durable_readback_degraded(monkeypatch):
         "source_of_truth": "postgresql",
         "redis_fallback_used": False,
     }
+
+
+@pytest.mark.asyncio
+async def test_repair_history_binds_project_to_durable_incident_read(monkeypatch):
+    durable_active = _incident(IncidentStatus.INVESTIGATING, minute=38)
+
+    class _Service:
+        get_active_incidents = AsyncMock(return_value=[durable_active])
+
+    service = _Service()
+    monkeypatch.setattr(auto_repair_api, "get_incident_service", lambda: service)
+
+    result = await auto_repair_api.get_repair_history(
+        limit=20,
+        project_id="awoooi",
+    )
+
+    assert result.count == 0
+    service.get_active_incidents.assert_awaited_once_with(project_id="awoooi")
+
+
+@pytest.mark.asyncio
+async def test_repair_history_reports_durable_read_degraded(monkeypatch):
+    class _Service:
+        get_active_incidents = AsyncMock(
+            side_effect=IncidentDurableReadError(
+                "active_incidents_durable_read_unavailable"
+            )
+        )
+
+    monkeypatch.setattr(
+        auto_repair_api,
+        "get_incident_service",
+        lambda: _Service(),
+    )
+
+    with pytest.raises(HTTPException) as exc_info:
+        await auto_repair_api.get_repair_history(
+            limit=20,
+            project_id="awoooi",
+        )
+
+    assert exc_info.value.status_code == 503
+    assert exc_info.value.detail == {
+        "status": "degraded",
+        "reason_code": "active_incidents_durable_read_unavailable",
+        "source_of_truth": "postgresql",
+        "redis_fallback_used": False,
+    }