Use when the user provides a GitHub PR link with a "deep review" trigger inside a locally cloned repo, to perform a thorough multi-dimensional code review grounded in ARCS DAG context, AGENTS.md conventions, and optional codegraph coupling analysis, then post findings as inline GitHub review comments under explicit user gate
Use when you have a written implementation plan to execute in a separate session with review checkpoints
Use when initializing a new ARCS project — bootstrapping a repo into the DAG with metadata, docs, and structural knowledge entries. Covers gather → present summary → init → codegraph ingestion → fan-out analysis across typed sub-agents.
Use when completing tasks, implementing major features, or before merging to verify work meets requirements
Use when implementing any feature or bugfix, before writing implementation code
Use when you have a spec or requirements for a multi-step task, before touching code
Use when capturing a knowledge entry, before writing its body — to author a substantive per-kind body, not a summary-only stub
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Challenges user intent, stress-tests requirements, and forces precision before design.