Add device_status topic for state monitoring

orbbec_camera_msgs/CMakeLists.txt

@@ -17,6 +17,7 @@ find_package(std_msgs REQUIRED)
 rosidl_generate_interfaces(
     ${PROJECT_NAME}
     "msg/DeviceInfo.msg"
+    "msg/DeviceStatus.msg"
     "msg/Extrinsics.msg"
     "msg/Metadata.msg"
     "msg/IMUInfo.msg"

orbbec_camera_msgs/msg/DeviceStatus.msg

@@ -0,0 +1,32 @@
+std_msgs/Header header
+
+# --- Color stream ---
+float64 color_frame_rate_cur
+float64 color_frame_rate_avg
+float64 color_frame_rate_min
+float64 color_frame_rate_max
+
+float64 color_delay_ms_cur
+float64 color_delay_ms_avg
+float64 color_delay_ms_min
+float64 color_delay_ms_max
+
+# --- Depth stream ---
+float64 depth_frame_rate_cur
+float64 depth_frame_rate_avg
+float64 depth_frame_rate_min
+float64 depth_frame_rate_max
+
+float64 depth_delay_ms_cur
+float64 depth_delay_ms_avg
+float64 depth_delay_ms_min
+float64 depth_delay_ms_max
+
+# --- Device info ---
+bool device_online
+string connection_type   # e.g. "USB2.0", "USB3.0", "GigE"
+
+# --- Calibration status ---
+bool calibration_from_user_file
+bool calibration_from_device
+bool calibration_from_launch_param