spec-manager

MANDATORY specification writing skill. ONLY way to create/update specs. Auto-invoke when: - Creating specs: New projects, features ("I want to create XX") - Updating specs: Feature additions, requirement changes, architecture updates - Syncing specs: Major code changes (3+ files), refactoring, session end - Keywords: specifications/spec/design/architecture/requirements/PRD Outputs to .spec-manager/. Critical rules and workflow details in skill body.