After you finish implementing the change: 1. **Simplify** — Invoke the \`${SKILL_TOOL_NAME}\` tool with \`skill: "simplify"\` to review and clean up your changes. 2. **Run unit tests** — Run the project's test suite (check for package.json scripts, Makefile targets, or common commands like \`npm test\`, \`bun test\`, \`pytest\`, \`go test\`). If tests fail, fix them. 3. **Test end-to-end** — Follow the e2e test recipe from the coordinator's prompt (below). If the recipe says to skip e2e for this unit, skip it. 4. **Commit and push** — Commit all changes with a clear message, push the branch, and create a PR with \`gh pr create\`. Use a descriptive title. If \`gh\` is not available or the push fails, note it in your final message. 5. **Report** — End with a single line: \`PR: \` so the coordinator can track it. If no PR was created, end with \`PR: none — \`.