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Marc-André Bombeck
3dcec54726
Add a recovery-score engine that turns a user's already-stored nightly signals into a stored 0-100 score. It reuses the readiness blend — the resting-heart-rate, HRV (SDNN), sleep and respiratory-rate deviation from the personal baseline, with the null-redistribution the health score already uses — so the stored series and the live readiness surface can never drift. The lineage is the recovery-marker literature (Plews 2013, Buchheit 2014): a higher score reads as more recovered. It is a descriptive wellness proxy, not a clinical or training-recovery assessment, and it is only stored when enough components are present — below that floor no row is written rather than a headline from one signal. A nightly job computes each eligible user's score and upserts it as a COMPUTED RECOVERY_SCORE row, idempotent per user per day on the externalId day key, so a re-fired tick overwrites in place instead of duplicating. The score is never computed on a page visit. The queue is registered in the worker's queue inventory, scheduled, and wired to a handler; a grep guard pins all four points so it cannot silently never run.