claude-owner d53ff7a745 feat(sidebar): RelatedStocks defaults collapsed + readOpen garbage-value fallback ...

readOpen() (reviewer f9027f5 non-blocking note):
- Previously returned v === '1' which collapsed '0' AND any garbage
  value (legacy markers, manual edits) into the same false branch,
  contradicting the 'fallback to default' comment. Split into three
  explicit cases: '1' → true, '0' → false, anything else →
  defaultOpen. Behavior unchanged for the writeOpen-only path; only
  garbage input is corrected.

RelatedStocks defaultOpen=false:
- Of the three collapsible sidebar panels (AlertsPanel,
  InvestmentNote, RelatedStocks), RelatedStocks has the lowest
  information density per row and the weakest direct tie to 'this
  symbol' (it's other symbols in the same market). Starting collapsed
  cuts initial mobile scroll height for first-time visitors; once the
  user toggles, localStorage pins their preference.

2026-06-01 10:31:48 +09:00

1.2 KiB

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