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Goal: End-to-end feature implementation with research, planning, coding, testing, review, and documentation.

| 1 | Clarify | Ask questions 1 at a time via AskUserQuestion | | 2 | Research | Parallel researcher subagents, /scout-ext for file discovery | | 3 | Plan | Planner subagent creates phased plan in ./plans directory | | - | Design Intent | State WHAT+WHY, risks, guiding principle before first edit |

| 4 | Implement | /code slash command, type-check after each step | | 5 | Test | Real tests only -- no fakes/mocks to pass builds | | 6 | Code review | Fix critical issues, re-test until all pass | | 7 | Documentation | Update docs and project roadmap if user approves | | 8 | Final report | Summary, next steps, optional git commit |