After UAT finds issues, spawn parallel debug agents to investigate
root causes before planning fixes. Each agent investigates one issue
with symptoms pre-filled from UAT, finds the root cause, and returns
diagnosis.
New files:
- workflows/diagnose-issues.md: Orchestrator for parallel debug agents
- templates/debug-subagent-prompt.md: Prompt template for debug subagents
Modified:
- workflows/debug.md: Add symptoms_prefilled and diagnose-only modes
- workflows/verify-work.md: Offer diagnosis step after issues found
- templates/UAT.md: Add root_cause and debug_session fields
- commands/gsd/plan-fix.md: Use root causes for targeted fix planning
Flow: UAT → diagnose (parallel) → plan-fix (with root causes) → execute
Co-Authored-By: Claude <noreply@anthropic.com>