Spec-Driven Planning Skill Purpose Guide feature planning in one of two modes: - Quick mode — single with bite-sized tasks. No EARS, no RGR. For solo work, ≤3 days, no compliance/handoff. Derived from the superpowers writing-plans pattern. - Full mode — three files ( EARS + + ) with three approval gates and TDD enforcement downstream. For team work, multi-week, compliance/audit, or stakeholder review. The skill picks a mode (or asks when ambiguous), then runs the matching playbook. Activation Triggers Activate this skill when: - User says "create a new feature", "plan a feature", "I need to b…