do

Prompt file imported from fotoetienne/gru (.claude/commands/do.md). Fill in {{arguments}} before use. Copyright stays with the author.

Work on a GitHub issue.

Issue: {{arguments}}

When Running Under Gru

This command is being orchestrated by Gru. GitHub operations (claiming issue, creating PR, posting updates) are handled automatically. Focus on:

1. understanding the issue (details provided by Gru)
2. planning the implementation
3. writing clean code
4. testing thoroughly
5. committing your changes

Gru will handle:

• Fetching issue details
• Creating pull requests
• Posting status updates
• Merging and cleanup

Workflow:

1. Check if Decomposition is Needed

• Assess the issue's complexity:

  • Does it involve multiple distinct components or systems?
  • Does it have multiple acceptance criteria?
  • Would it take more than a few hours to complete?
  • Does it mix different types of work (backend + frontend + docs)?

• If the issue is complex and should be broken down:

  • Recommend to the user: "This issue seems complex. Run /decompose {{arguments}} to break it into smaller sub-issues first."
  • Stop the fix workflow here - wait for user to decompose

• If the issue is focused and ready to fix:

  • Proceed to the next step

2. Verify Worktree Setup

• Confirm current directory is a git worktree with git rev-parse --git-dir
• Check current branch matches expected pattern minion/issue-<number>-<minion-id>
• If not in correct worktree, remind user to run /setup-worktree first

3. Plan the Fix

• Explore the codebase to understand the relevant code
• Create a detailed plan using TodoWrite with specific steps to fix the issue
• Consider tests that need to be added or updated

4. Implement the Fix

• Work through each todo item
• Write clean, minimal code changes
• Add or update tests as needed
• Check CLAUDE.md for project-specific build/test commands
• Run tests to verify the fix

5. Code Review

• Make a commit with the changes, prefixing the commit message with your Minion ID (from the branch name), e.g. [M042] Fix null pointer in parser
• Use the Agent tool with subagent_type='code-reviewer' to perform an autonomous code review
• Wait for the review agent to complete and read its full output before proceeding
• The code-reviewer agent will analyze the changes for:
  • Code correctness and logic errors
  • Security vulnerabilities
  • Error handling gaps
  • Edge cases
  • Adherence to project conventions (check CLAUDE.md)
  • Test coverage
• Address any issues raised by the code-reviewer before proceeding
• If the review identifies significant problems, iterate on the implementation
• Do NOT push your branch or write PR_DESCRIPTION.md until you have read and addressed all review findings

6. Finish Your Work

When your implementation is complete and ready for human review:

1. Commit your implementation changes with a descriptive commit message prefixed with your Minion ID (from the branch name), e.g. [M042] Fix null pointer in parser
2. Push the branch to the remote repository
3. Write PR_DESCRIPTION.md in the root of the repository with this format:

   ## Summary
   - Key change 1
   - Key change 2
   
   ## Test plan
   - How you tested this
   - Commands run: cargo test, just check, etc.
   
   ## Notes
   - Context reviewers should know
   - Follow-up work if any

DO NOT commit PR_DESCRIPTION.md - Gru will read this file locally from your worktree, use it to create the PR description, mark the PR ready, and then delete it automatically.

IMPORTANT: Only write PR_DESCRIPTION.md when work is truly complete and ready for human review. If work is still in progress, don't create this file - Gru will create a draft PR instead.

7. Iterate on Feedback

• Look at CI check results
• Address any issues raised by the CI checks
• Read review comments
• Determine which comments require changes. Sometimes reviewers are wrong!
• Make the necessary changes
• For any comments that you've determined don't require changes, acknowledge them
• Make a reply that addresses each comment and includes a summary of the changes made
• Repeat until the PR is ready to merge