bartoszmaka

Use when you have an approved milestones plan (typically from planning-milestones) and are ready to implement the feature one milestone at a time, with Codex doing implementation and the main thread orchestrating, planning, and reviewing scope.

Use when you have an approved design spec (typically from brainstorming) and the feature is too large to ship as a single plan or PR. Triggers when you need to decompose a spec into ordered, reviewable milestones before any implementation begins.