Commands accept both padded (08) and unpadded (8) phase numbers. Normalization happens in step 1/2 before any directory lookups. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Goal-backward plan verification before execution: - Six verification dimensions (coverage, completeness, dependencies, links, scope, derivation) - Structured issue reporting for planner feedback - Examples covering common failure modes agents/gsd-plan-checker.md (744 lines) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>