[fix] Preserve agent drafts during version restores - #6564
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mmabrouk
marked this pull request as ready for review
September 5, 2026 07:02
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Context
Reverting an agent version while auto-save was busy could replace the active draft and then roll it back, while a deferred save still held the revert message. A rejected revert could also erase edits made while its request was pending. These paths are new with the version-history feature in release v0.114.8.
Changes
Reject busy reverts before staging configuration and prevent deferred flushes from keeping a revert message. After a failed request, restore the prior draft only when the user has not edited it in the meantime.
Include schemas when deciding whether a historical version differs from the latest, and explicitly clear schemas when the selected version has none. The failure message now asks the user to retry after saving finishes instead of asserting that the server rejected the commit.
Tests
248 targeted tests passed across run-request assembly, auto-save/revert, revision ordering, build-kit persistence, configuration diffs and sidebar ordering. Four concurrency regression cases failed before the relevant guards and passed afterward. Scoped frontend lint, formatting and shared UI TypeScript checks passed. Independent code review found no introduced correctness issue.
Live desktop/mobile validation and the session continuity smoke are outstanding: the release PR preview currently returns Application not found, and the available stages run other versions. No live sandbox validation is claimed.
What to QA
Prepared by the AI agent for release PR #6526. This PR does not change the runner, Daytona, sandbox lifecycle or chat transport.