{ "feature_id": "F-055", "stage": "security_gate", "agent": "security", "ts": "2026-08-19T11:48:40Z", "verdict": "APPROVED", "checks": [ { "name": "no_path_traversal_in_static", "status": "PASS", "detail": "static files served from public/uploads//; UUID-based filenames cannot escape" }, { "name": "no_secrets_in_thumbnails", "status": "PASS", "detail": "Thumbnails are pure image data, no metadata preserved" }, { "name": "sharp_processing_isolated", "status": "PASS", "detail": "sharp only reads image bytes and writes under thumbs//; no FS traversal beyond input filename" } ], "notes": "Static serving preserves the existing security model. No new attack surface." }