feat(web): restore user prompt to composer input on revert#2
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feat(web): restore user prompt to composer input on revert#2
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When reverting a checkpoint, the original user prompt text is now restored into the composer input field so the user can edit and re-send without retyping. Uses deriveDisplayedUserMessageState to extract just the visible prompt text (stripping terminal context blocks). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Skip restoring the user prompt into the composer when the checkpoint revert fails, so users don't see their prompt return alongside an error message. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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What Changed
When reverting a checkpoint, the user's original prompt text is now restored into the composer input field so they can edit and re-send without retyping.
Specifically:
onRevertUserMessagenow looks up the reverted user message and extracts the visible prompt text usingderiveDisplayedUserMessageState(strips terminal context blocks)onRevertToTurnCountaccepts an optionalpromptToRestoreparam and writes it back into the composer after the revert completessetTimeoutdefers the restore past the server state sync (throttled at ~100ms) to prevent re-renders from overwriting itWhy
When a user reverts a message, they typically want to tweak the prompt and re-send. Currently they have to retype the entire prompt from memory. Restoring it into the composer removes that friction.
This is a small, focused UX improvement — one file changed, no new dependencies, no scope expansion.
Checklist