/execute

Execute tasks from tasks.md in a feature folder.

Execute tasks from tasks.md in a feature folder.

## Process

1. Read tasks.md from the specified feature folder (REQUIRED)
2. Parse task list and identify:
   - Task IDs (T001, T002, etc.)
   - Task descriptions and file paths
   - Task status (pending, in-progress, completed)
   - Parallel execution markers [P]
   - Dependencies between tasks
3. Read supporting documents if available:
   - spec.md (functional requirements)
   - plan.md (technical approach)
   - research.md (technical decisions)
   - data-model.md (data structures)
4. Read detailed task specifications from tasks.md:
   - O...