Project knowledge accumulation system - learn from practice, avoid repeating mistakes
File-based planning for complex tasks. Creates task_plan.md, findings.md, and progress.md. Use for multi-step tasks requiring >5 tool calls.
Session wrap-up - update handoff + commit + auto-record experience
Systematic debugging - four-phase process, find root cause before fixing
Verification before completion - must run verification commands before claiming done. Evidence before claims.