--- name: describe-phase-directory-structure description: Phase directory layout, naming conventions, and required files. Load when creating or navigating phase directories. user-invocable: false --- ## Phase Directory Structure ``` .ushabti/phases/NNNN-short-slug/ ├── phase.md # Intent, scope, acceptance criteria ├── steps.md # Ordered implementation steps ├── progress.yaml # Machine-tracked state └── review.md # Review findings ``` **Naming**: Phase IDs are zero-padded and sequential (0001, 0002, ...). Slugs are short, lowercase, hyphenated, and descriptive. Example: `0003-http-client-retry`