[Bug]: Commit action changes staging before message generation succeeds

[dbalders]

Before submitting

• I searched existing issues and did not find a duplicate.
• I included enough detail to reproduce or investigate the problem.

Area

apps/server

Steps to reproduce

1. Have staged and untracked changes.
2. Make commit-message generation fail, such as by using a signed-out provider.
3. Click Commit.

Expected behavior

No commit is created and the existing staging is unchanged.

Actual behavior

The commit flow runs git reset / git add -A before generating the message. If generation fails, the index stays changed.

Impact

Medium

Version or commit

main @ 2d156a8

Environment

Any Git repository; provider failure is required to trigger the unsafe exit path.

Workaround

Restore the intended staging manually before the next commit.