fix(tests): update health check test to accept degraded status

The health check now performs real database connectivity checks,
which may return 'degraded' status in test environments without
a database file. Update test to accept either 'healthy' or 'degraded'.

Author: Sakeeb91

tests/integration/test_api.py

@@ -14,7 +14,8 @@ def test_health_check(self, test_client: TestClient) -> None:
         assert response.status_code == 200
 
         data = response.json()
-        assert data["status"] == "healthy"
+        # Status can be "healthy" or "degraded" depending on database availability
+        assert data["status"] in ("healthy", "degraded")
         assert "version" in data
         assert "timestamp" in data