filament

Audit spec coverage using tracey MCP tools. Finds uncovered, untested, and stale rules, then semantically verifies that test code actually exercises the spec requirements. Use when the user asks to verify tracey coverage, audit specs, check spec fulfillment, or run a tracey verification.

Maintain the plan/ directory with design decision documents. Use proactively at the end of any agent session that introduces, changes, or supersedes a design decision. Also use when the user explicitly asks to document a design decision.

Run cargo clippy and nightly rustfmt to lint and format Rust code. Use when the user asks to lint, format, check code quality, or run CI checks on Rust code.