# 5.17 — simplify skill pass (REFACTOR)

Phase: 5 — Chat + Rate Limiter (Surface D)
Stage: REFACTOR

Depends on: [5.8](5.8-rate-limiting-tier3.md), [5.13](5.13-frontend-chat-component.md)

- [ ] `simplify` pass on rate limiter + SSE chat handler

## Verify

```bash
# load test at 20 concurrent clients
# GPU sequence usage never exceeds 6, no upstream 5xx, queue drains
pnpm test:e2e chat.e2e.ts   # required, must pass before merge
```

## Done — atlas v1 shipped

Success criteria (from PLAN-atlas.md):
- [ ] Protected services redirect unauthenticated to Authentik (if still applicable post decision #3)
- [ ] Fabricated stats gone, real numbers or removed
- [ ] `riotpiao.com` is the only public hostname (I1 held)
- [ ] Golden redaction test passes against live-cluster fixture
- [ ] Load test: 20 concurrent clients, GPU usage <= 6, no 5xx, queue drains