implement-change

name	implement-change
description	Implement a change (bug fix, feature, follow-up) using TDD — from requirements through to a PR
argument-hint	[brief description of the change]

Implement a change in sellier: $ARGUMENTS

If the description is unclear, ask before starting.

Workflow

Phase 1: Requirements

1. Restate the problem, expected behavior, and scope as a short requirements doc.
2. Ask for feedback.
3. If feedback references a pattern, update the relevant rule file in .claude/rules/ first, then revise.

Phase 2: Implementation Plan

4. Identify files to change, files to add, and the testing strategy.
5. Ask for feedback.

Phase 3: Branch

6. Create a branch from latest origin/main with a descriptive name.

Phase 4: TDD

7. Write failing tests. Present test descriptions for review.
8. Once approved, implement the smallest change to make tests pass.
9. Show the diff and ask for feedback.

Phase 5: Review & Commit

10. Spawn the self-review agent in parallel with the review-security agent (skip security if the change is purely cosmetic).
11. Combine findings into a single numbered list. Apply clear improvements automatically.
12. Show the full diff and findings; ask for feedback.
13. Once approved, run /pre-commit.
14. Commit (conventional commits, no co-authors) and push.

Phase 6: CI & Refactor

15. (No CI configured yet — skip the CI watch step until one is added.)
16. Spawn the refactor-changes agent on the diff. Present findings as a numbered list and ask which to address.
17. Run /pre-commit, commit, push.

Phase 7: Done

18. Confirm everything is green and ask for any follow-up.

Key Rules

• Auto-accept edits during implementation — pause only at the explicit feedback checkpoints.
• Feedback about patterns → update the rule file first, then re-apply.
• Use conventional commits, no co-authors.
• Do not mention this agent in commit messages or PR descriptions.