feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

internal/httpapi/device_factory_reset_handler.go

@@ -55,6 +55,8 @@ func DeviceFactoryResetHandler(service DeviceFactoryResetService) http.Handler {
 				WriteError(writer, request, http.StatusConflict, "DEVICE_RESET_AUTHORIZATION_REQUIRED", "请先由当前家庭授权解绑，随后再执行设备重置")
 			case errors.Is(err, devicereset.ErrPendingTranscripts):
 				WriteError(writer, request, http.StatusConflict, "DEVICE_RESET_PENDING_TRANSCRIPTS", "设备仍有未上传的聊天记录")
+			case errors.Is(err, devicereset.ErrCallInProgress):
+				WriteError(writer, request, http.StatusConflict, "DEVICE_RESET_CALL_IN_PROGRESS", "设备正在通话，请结束后再恢复出厂")
 			case errors.Is(err, devicereset.ErrFirmwareInProgress):
 				WriteError(writer, request, http.StatusConflict, "DEVICE_RESET_FIRMWARE_IN_PROGRESS", "设备正在升级固件，暂时不能恢复出厂")
 			case errors.Is(err, devicereset.ErrResetCounterConflict):