libs/kaptan-sensor: split observations by sensor domain

libs/kaptan-runtime/src/imu.rs

@@ -1,7 +1,7 @@
 //! Single-owner MPU acquisition service.
 
 use kaptan_drivers::mpu6000::{Error as Mpu6000Error, Mpu6000, Mpu6000Event};
-use kaptan_sensor::ImuSnapshot;
+use kaptan_sensor::imu::ImuSnapshot;
 use kaptan_spi::{SpiCompletion, SpiDevice};
 use kaptan_time::MonotonicClock;