Interview the user relentlessly about a plan or design. Use when the user wants to stress-test a plan before building, or uses any 'grill' trigger phrases.
Surface deepening opportunities in a codebase — shallow modules, seam leaks, missing locality — and grill through whichever one you pick. Architecture-pattern aware (monolith / distributed / serverless).
Reconcile and validate all documents in the project's docs/ directory
Full-project code audit workflow: audit then fix
Systematic root cause analysis. No fixes without investigation
Principal Engineer persona. Production-first technical judgment
Standalone QA investigation and fix workflow
Code review workflow with severity-ranked findings