{"ok":false,"status":"error","detail":"DuckDB not found: /opt/render/project/src/data/duckdb/fpds.duckdb. Use policygraph.duckdb with DHA tables (direct_dha_core / usaspending_awards_normalized), or set FPDS_DUCKDB / place fpds.duckdb at ../fpds_app/fpds.duckdb or data/duckdb/fpds.duckdb.","db_path":"/opt/render/project/src/data/duckdb/fpds.duckdb","db_source_label":"fpds / USAspending DuckDB (legacy path)","rows":[],"output_csv":"/opt/render/project/src/data/outputs/dha_gate_review.csv"}