Files
stock_chart_site/web/components
claude-owner d6fc9d8a0b feat(symbol-page): intraday short-term returns + hline storage-failure guard
- IntradayReturns: 10분/30분/1시간/3시간/시가대비 mini cards for 1D mode
  (PeriodReturns labels lie when interval is 10m; swap them out by isIntraday)
- addLine/removeLine/clearLines now return previous state when localStorage
  write fails — UI no longer diverges from storage in locked-storage env

addresses reviewer 318eae6 non-blocking caveat about write-failure divergence
2026-05-29 00:35:21 +09:00
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