riotpiao.com/tasks/2.9-simplify-pass.md

2.9 — simplify skill pass (REFACTOR)

Phase: 2 — Topology (Surface B) Stage: REFACTOR

Depends on: 2.5, 2.6

• simplify pass on mock SSE route handler + React Flow wiring

Verify

curl -N http://localhost:3000/api/stream   # delta every 5s, keepalive every 30s
pnpm test:e2e topology.e2e.ts              # required, must pass before merge