Use when Claude Code must implement changes or perform other nontrivial repository work with principal-level technical judgment: audit and improve a project, deliver a feature or bug fix, change legacy code safely, diagnose runtime behavior, make a technical decision or migration, or prove a change ready to land. Action-first: inspect real code, establish a baseline, implement the smallest safe change, run objective checks, inspect the diff, and stop explicitly. Excludes management, roadmap, process, and methodology advocacy.
2026-07-12
Use when Codex must implement changes or perform other nontrivial repository work with principal-level technical judgment: audit and improve a project, deliver a feature or bug fix, change legacy code safely, diagnose runtime behavior, make a technical decision or migration, or prove a change ready to land. Action-first: inspect real code, establish a baseline, implement the smallest safe change, run objective checks, inspect the diff, and stop explicitly. Excludes management, roadmap, process, and methodology advocacy.
2026-07-12
Use when Copilot must implement changes or perform other nontrivial repository work with principal-level technical judgment: audit and improve a project, deliver a feature or bug fix, change legacy code safely, diagnose runtime behavior, make a technical decision or migration, or prove a change ready to land. Action-first: inspect real code, establish a baseline, implement the smallest safe change, run objective checks, inspect the diff, and stop explicitly. Excludes management, roadmap, process, and methodology advocacy.
2026-07-12