task-planning
Use when work spans multiple steps, phases, or sessions, when resuming a task started earlier, when the user asks for a plan/roadmap/progress tracking, or when they use the `$track` / `track:`, `$hydrate`, `$resume`, or `$project` sentinel. Covers the project registry (`.agents/projects/registry.yml`), maintaining a durable TASKS.md + DESIGN.md per work-stream, and checkpointing/reloading project state across sessions and PRs.