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Cache /historical per symbol; 503 + Retry-After on PSX rate limits - #5

Merged

mtauha merged 9 commits into

mainfrom

feat/historical-cache

Sep 30, 2026

Merged

Cache /historical per symbol; 503 + Retry-After on PSX rate limits#5
mtauha merged 9 commits into
mainfrom
feat/historical-cache

Commits on Sep 30, 2026
- feat(cache): add trading-hours freshness policy for /historical
  mtauha
  committed
  0ecd1df
- feat(cache): add gzip JSON envelope for cached histories
  mtauha
  committed
  de466ae
- feat(cache): add memory LRU and fail-open Redis tiered store
  mtauha
  committed
  0f6f9b6
- feat(cache): add HistoricalService with stale fallback and PSX cooldown
  mtauha
  committed
  7772b37
- fix: return 503 with Retry-After when PSX rate-limits instead of 500
  mtauha
  committed
  b4ede71
- style: format imports per ruff
  mtauha
  committed
  c78ea5e
- fix(cache): bound single-flight locks with a fixed stripe pool
  mtauha
  committed
  00c8c8e
- feat: serve /stocks/{symbol}/historical from a per-symbol cache
  mtauha
  committed
  123f425
- docs: document /historical caching and REDIS_URL; release 0.3.0
  mtauha
  committed
  0eccee1