Add 237-char boundary test proving the send limit accepts exactly 237
characters, and upgrade connect tests to assert the correct config
dataclass type and field values are passed to connect().
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds 16 new tests covering POST /disconnect, GET /ble/scan, GET /stream
(keepalive and event data), GET /messages, GET /nodes, GET /contacts,
GET /telemetry/<node_id>, and GET /repeaters, bringing total from 17 to 33.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>