- TestHandler: POST /api/test/cable, GET /api/test/events, GET /api/test/recent
- POST /api/test/cable: DisallowUnknownFields (T-05-03), creates NetBox cable,
auto-prints with 1s rate limit (T-05-05), prepends to 20-item ring buffer
- GET /api/test/events: SSE, 30s keepalive, exits on context cancel (T-05-04)
- GET /api/test/recent: thread-safe ring buffer, returns [] when empty
- AttachStream() wires StreamingTesterDriver channel to SSE broadcaster
- Router: three /api/test/* routes added to NewRouter signature
- main.go: constructs TestHandler, wires USB Manager event loop stub
- All handler tests pass race-clean (7 test cases)
Mikkel Georgsen
1764c7b06a