feat: implement message editing and thread rollback functionality with UI support#592

Draft

zip700 wants to merge 6 commits intoDimillian:mainfrom

zip700:issue-511-edit-regenerate-user-messages

Commits on Apr 3, 2026

feat: implement message editing and thread rollback functionality with UI support
zip700
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Fix rollback turn id for message regeneration
zip700
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Handle rollback RPC errors before regenerating
zip700
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Translate rollback turn ids to numTurns
zip700
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Harden edit regenerate turn ids and edit gating
zip700
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Preserve live turn ids for edit regeneration
zip700
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