{"worker":"closelook-api","status":"active","batch":"DL-B4","docs":"closelooknet/hilfsdokumente/Closelook-Data-Lake-Spec-v1.2.md","routes":["GET /api/health","GET /api/ticker/{symbol}","GET /api/prices/{ticker}?from=YYYY-MM-DD&to=YYYY-MM-DD","GET /api/returns/{ticker}?periods=1d,1w,1m,3m,6m,ytd,1y,2y,full_2024,full_2025","GET /api/aggregate?index=rubin&group_by=composite|sector|layer|region|role&weight=EW&periods=...&as_of=YYYY-MM-DD","GET /api/universe","GET /api/universe/{index_key}"],"note":"Phase 1 MVP — Rubin only. HALO/Euro-AI/AW25 aggregates land in Phase 5."}