- GatewayConnector: BackgroundService maintaining persistent WebSocket connection
to OpenClaw Gateway with Bearer token auth from backend env only
- IGatewayConnector: Interface exposing connection state, version info, health
- Exponential backoff reconnect: 1s initial, max 5min, with jitter
- Version pinning: RequiredVersion from config; fail-fast or warn on mismatch
- Pre-flight HTTP version check before WebSocket connect
- GatewayHealthController: GET /api/health/gateway with connection status
- GatewayConnectorOptions: Configurable via GatewayConnector config section
- Token never logged; read from Integrations:OpenClaw:Password/Token only
- 16 tests: options defaults, config binding, health endpoint responses,
connection states, DI registration, routing attributes
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