writes: delegated rollback to a prior source revision (#28) - #41
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Pick a past source commit → open a reviewable PR restoring source to it (chant lifecycle rollback, #873). Never a direct cloud write: a human merges, then a gated Sync applies — the rollback rides the same delegated/gated path as Sync/Adopt. - src/history.ts: sourceCommits + parseGitLog (read-only git log); unit-tested. - src/op-runner.ts: generalized to run any chant invocation (run()), so rollback shares the single running-guard + stream + PR-extraction + capture with ops. - server: /api/history (recent commits) + /api/rollback?to=<ref> (delegated). - web: Rollback control — commit picker + confirm; the PR link surfaces via the existing pr event. Target is a git commit of source (lanes frames aren't source-reconstructable — they stay a visual reference). tsc + 51 tests (+3 history). Full PR-open E2E lights up with chant 0.18.10 (#873); /api/history + validation verified live.
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Closes #28 (epic #23). Depends on chant #873 (
lifecycle rollback), shipping in chant 0.18.10.Pick a past source commit → open a reviewable PR restoring source to it. Never a direct cloud write: a human merges, then a gated Sync applies — rollback rides the same delegated/gated path as Sync/Adopt. Mirrors Adopt (both open a PR).
src/history.ts—sourceCommits+parseGitLog(read-onlygit log); unit-tested.src/op-runner.ts— generalized to run anychantinvocation (run()), so rollback shares the single running-guard + stream + PR-extraction + capture with ops./api/history(recent commits) +/api/rollback?to=<ref>(delegated).prevent.Design note
Target is a git commit of source — live lanes frames aren't source-reconstructable, so they stay a visual reference (frame↔commit correlation is a future add). chant runs the rollback in an isolated worktree (#873), so triggering it doesn't disturb the branch of the checkout behold serves.
Verified
/api/historyreturns commits;/api/rollbackvalidates. tsc +node --checkclean; 51 tests (+3 history). Full PR-open E2E lights up with chant 0.18.10.