refactor: rename opencv module to master_machine, remove old master_process

- Delete modules/master_machine/ (old seasky protocol vision module)
- Rename modules/opencv/ → modules/master_machine/
- Rename opencv.h/c → master_machine.h/c
- Remove master_process.h include from robot_def.h and ins_task.c
- Remove VisionSetAltitude() call from ins_task.c (send not needed)
- Update all #include paths and CMakeLists.txt

CMakeLists.txt

@@ -88,8 +88,7 @@ target_sources(${CMAKE_PROJECT_NAME} PRIVATE
     modules/imu/BMI088Middleware.c
     modules/imu/ins_task.c
     # modules - communication
-    modules/master_machine/master_process.c
-    modules/master_machine/seasky_protocol.c
+    modules/master_machine/master_machine.c
     modules/remote/remote_control.c
     modules/timachine/board_comm.c
     # modules - motor
@@ -100,7 +99,6 @@ target_sources(${CMAKE_PROJECT_NAME} PRIVATE
     modules/daemon/daemon.c
     modules/alarm/buzzer.c
     modules/vofa/vofa.c
-    modules/opencv/opencv.c
 
     # application
     application/gimbal/gimbal.c
@@ -143,7 +141,6 @@ target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
     modules/daemon
     modules/alarm
     modules/vofa
-    modules/opencv
     modules/timachine
     modules