# 2.5 — GET /api/stream (GREEN)

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

Depends on: [2.1](2.1-stream-test.md), [1.8](1.8-redis-publish.md)

- [ ] `GET /api/stream` — SSE, session cookie, 2 concurrent/IP, `topology` event type; keepalive comment frame every 30s; `Last-Event-ID` supported for resumable deltas

## Verify

```bash
go test ./... -run TestStream -v
```