/harness-feature

Add a new feature - creates GitHub issue + branch (if MCP configured)

Add a new feature to feature-list.json and create GitHub Issue:

Arguments: $ARGUMENTS

1. Parse the feature description from arguments
2. Generate unique feature ID (feature-XXX based on existing IDs)
3. If GitHub MCP is available:
   - Create GitHub issue with:
     - Title: Feature name
     - Body: Description + verification steps checklist
     - Labels: ["feature", "claude-harness", priority label]
     - Milestone: Current or next version milestone (if exists)
   - Create feature branch: `feature/feature-XXX`
   - Checkout the feature branch

   **Labeling Standards:**
   - Priority:...