k 4442e97f28 feat(macro): Macro Vibes — 8-indicator daily snapshot + composite score ...

New backend pipeline: 8 free public macro signals fetched in parallel,
upserted once per calendar day, served via /api/macro/{snapshot,history}.

  - AHR999 (computed from Binance 200d klines)
  - Altcoin Season Index (CoinGecko top-50 30d)
  - Fear & Greed (alternative.me)
  - BTC dominance, ETH/BTC ratio
  - Stablecoin supply (DeFiLlama)
  - Spot BTC ETF net flow (Farside)
  - BTC perp open interest (Binance fapi)

Each fetcher is independently @_none_on_fail decorated so one outage
can't take down the snapshot; scoring renormalises across whichever
indicators returned a value. Daily cron at 03:00 UTC; on startup a
fire-and-forget bootstrap fills today's row if missing.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-26 01:04:53 +08:00

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