Migrate Plans

Current layout: unexpanded shells live in .turbo/shells/ with spec: and depends_on: frontmatter. Plans live in .turbo/plans/ with status: (required) and optional spec: for provenance. This skill migrates legacy shapes to that layout.

Task Tracking

Use TaskCreate to create a task for each step:

1. Scan and classify existing files
2. Migrate prompt plan indexes
3. Process remaining files in .turbo/plans/
4. Normalize frontmatter on remaining plans
5. Clean up and report

Step 1: Scan and Classify Existing Files

Scan for all legacy shapes: