- gsd-verifier.md: dedicated verification subagent with all logic baked in
- Goal-backward verification: checks codebase, not SUMMARY claims
- Creates VERIFICATION.md, returns status to orchestrator
- execute-phase spawns gsd-verifier instead of general-purpose
Co-Authored-By: Claude <noreply@anthropic.com>
Moves all plan execution logic into a dedicated subagent:
- Deviation rules, checkpoint protocols, commit formatting
- Summary creation, state updates, TDD execution
- Authentication gate handling, continuation support
Installer now copies agents/ to ~/.claude/agents/
Co-Authored-By: Claude <noreply@anthropic.com>
