Fix CodeRabbit Review

Execute PR review remediation in a strict sequence: export issues, fix all issues, commit once, resolve threads.

Core principle: evaluate each review item technically before changing code. Do not apply suggestions blindly.

Required Inputs

• PR number (integer).
• GITHUB_TOKEN in environment.
• gh authenticated for the target repository.

Workflow

1. Export review issues for the PR.
2. Triage and validate every unresolved issue.
3. Fix every validated issue completely.
4. Commit all remediation changes together in one commit.
5. Resolve review threads and mark exported issues resolved.