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fix(engine): teach merger fix agent to rebuild stale dist artifacts

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The verification-fix agent prompt previously forbade modifying files
unrelated to the failure, which blocked the natural fix when
deterministic merge verification failed because of stale/missing
plugin `dist/` outputs in sibling workspace packages (e.g.
`Failed to resolve import "./cli-spawn.js"` from
`fusion-plugin-hermes-runtime/dist`).

- Add explicit guidance to detect stale-artifact failure signatures
  and rebuild the affected package(s) before editing source.
- Allow the agent to fix pre-existing breakage on the base branch,
  preferring the smallest change that makes verification green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
gsxdsm
2026-05-03 14:27:02 -07:00
parent 0568d5d41b
commit de02fed875
2 changed files with 11 additions and 5 deletions
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"@runfusion/fusion": patch
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Improve merger verification-fix agent: detect stale/missing sibling-workspace `dist/` artifacts (e.g. `Failed to resolve import "./X.js"`, `ERR_MODULE_NOT_FOUND` into another package) and rebuild before assuming a code fix is needed. The agent may also modify files unrelated to the task's original change when needed to make pre-existing build/test breakage on the base branch pass.