Standard SUMMARY.md structure for all prompt outputs. Every executed prompt creates this file for human scanning. Must be substantive - describes actual outcome, not status. **Good**: "JWT with jose library and httpOnly cookies recommended" **Bad**: "Research completed" **Good**: "4-phase implementation: types → JWT core → refresh → tests" **Bad**: "Plan created" **Good**: "JWT middleware complete with 6 files in src/auth/" **Bad**: "Implementation finished" Purpose-specific content: - **Research**: Key recommendations and discoveries - **Plan**: Phase overview with objectives - **Do**: What was implemented, patterns used - **Refine**: What improved from previous version Actionable items requiring user judgment: - Architectural choices - Tradeoff confirmations - Assumption validation - Risk acceptance Must be specific: "Approve 15-minute token expiry" not "review recommended" External impediments (rare): - Access issues - Missing dependencies - Environment problems Most prompts have "None" - only flag genuine problems. Concrete action: - "Create auth-plan.md" - "Execute Phase 1 prompt" - "Run tests" Not vague: "proceed to next phase" Emphasize: Key recommendation, decision readiness Next step typically: Create plan Emphasize: Phase breakdown, assumptions needing validation Next step typically: Execute first phase Emphasize: Files created, test status Next step typically: Run tests or execute next phase Emphasize: What improved, version number Include: Changes from Previous section