17. v0.8.12 — Replay start selection fix

Released 2026-08-21. This patch makes replay start-bar selection reliable while the chart is settling after a programmatic update. Follows v0.8.11.

Fixed

• Replay start-bar clicks are no longer ignored while the chart is updating. After choosing Start replay, clicking a candle now selects it immediately even if the chart has just fitted or repositioned its visible range. Ordinary chart clicks remain protected during programmatic updates; explicit replay start selection takes priority.

Verification

• Regression coverage confirms that replay selection remains clickable during the chart interaction-suppression window while ordinary clicks continue to be suppressed.
• Browser verification against public Binance data confirms that an immediate first click selects the requested replay start and exposes the playback controls.
• The complete automated suite (232 files, 1,695 tests), TypeScript check, lint, frozen dependency install, and production build passed during release preparation.

Next steps

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