fix: Phase 1 pipeline fully operational

- store_traced_faces.py: add --uuid arg for PythonExecutor compat
- tkg_builder.py: add --uuid arg + timestamp_secs column fix
- release_pack.py: fix pg_dump/psql paths, proper JSON escaping
- pipeline_checklist.py: new independent verification tool

Phase 1 checklist 8/8 PASS:
ASR ✅ ASRX ✅ sentence chunks ✅ vector embeddings ✅
face trace ✅ TKG graph ✅ trace chunks ✅ Phase 1 release ✅

scripts/tkg_builder.py

@@ -436,6 +436,7 @@ def main():
     parser = argparse.ArgumentParser(description="Build Temporal Knowledge Graph")
     parser.add_argument("--file-uuid", required=True)
     parser.add_argument("--schema", default=SCHEMA)
+    parser.add_argument("--uuid", help="UUID for Redis tracking (accepted by executor)")
     args = parser.parse_args()
 
     conn = get_conn()