R12: Fix readiness — stale/failed community_scheduler blocks ready

- Add 'ready = ready and healthy' for community_scheduler check
- Add 'ready = False' for community_scheduler exception path
- Add 3 unit tests: success=ready, stale=not_ready, failed=not_ready
- Monitoring now correctly reports community import health

apps/api/app/readiness.py

@@ -78,7 +78,9 @@ def readiness_report(
                 "status": "ready" if healthy else ("stale" if stale else latest_community.status),
                 "last_started_at": started.isoformat(),
             }
+            ready = ready and healthy
     except Exception:
         components["community_scheduler"] = {"status": "unknown"}
+        ready = False
 
     return ready, components

apps/api/tests/test_readiness.py

@@ -6,7 +6,7 @@ from sqlalchemy import create_engine
 from sqlalchemy.orm import Session
 
 from app.database import Base
-from app.models import ImportStatus, OfficialRecordImport
+from app.models import ImportStatus, CommunityImportRun, OfficialRecordImport
 from app.readiness import readiness_report
 
 
@@ -72,3 +72,68 @@ def test_unavailable_storage_and_stale_import_fail_readiness() -> None:
     assert ready is False
     assert components["minio"]["status"] == "unavailable"
     assert components["official_import"]["status"] == "stale"
+
+
+def test_community_scheduler_success_does_not_block_readiness() -> None:
+    engine = create_engine("sqlite://")
+    Base.metadata.create_all(engine)
+    now = datetime.now(timezone.utc)
+    with Session(engine) as session:
+        session.add(CommunityImportRun(
+            source_system="rf4db",
+            started_at=now - timedelta(minutes=30),
+            status="success",
+            source_url="fixture://rf4db",
+            rows_seen=5, rows_created=5, rows_updated=0, error_summary=None,
+        ))
+        session.commit()
+        ready, components = readiness_report(
+            session, AvailableStorage(), import_required=False,
+            import_interval_seconds=3600, community_import_interval_seconds=1800, now=now,
+        )
+    assert ready is True
+    assert components["community_scheduler"]["status"] == "ready"
+
+
+def test_community_scheduler_stale_or_failed_blocks_readiness() -> None:
+    engine = create_engine("sqlite://")
+    Base.metadata.create_all(engine)
+    now = datetime.now(timezone.utc)
+    with Session(engine) as session:
+        # Stale run
+        session.add(CommunityImportRun(
+            source_system="rf4db",
+            started_at=now - timedelta(hours=2),
+            status="success",
+            source_url="fixture://rf4db",
+            rows_seen=5, rows_created=5, rows_updated=0, error_summary=None,
+        ))
+        session.commit()
+        ready, components = readiness_report(
+            session, AvailableStorage(), import_required=False,
+            import_interval_seconds=3600, community_import_interval_seconds=1800, now=now,
+        )
+    assert ready is False
+    assert components["community_scheduler"]["status"] == "stale"
+
+
+def test_community_scheduler_failed_status_blocks_readiness() -> None:
+    engine = create_engine("sqlite://")
+    Base.metadata.create_all(engine)
+    now = datetime.now(timezone.utc)
+    with Session(engine) as session:
+        session.add(CommunityImportRun(
+            source_system="rf4db",
+            started_at=now - timedelta(minutes=30),
+            status="failed",
+            source_url="fixture://rf4db",
+            rows_seen=0, rows_created=0, rows_updated=0,
+            error_summary="ConnectionError",
+        ))
+        session.commit()
+        ready, components = readiness_report(
+            session, AvailableStorage(), import_required=False,
+            import_interval_seconds=3600, community_import_interval_seconds=1800, now=now,
+        )
+    assert ready is False
+    assert components["community_scheduler"]["status"] == "failed"