Rename StimulusBuffer=>StimulusProducer

Next we'll split the StimulusBuffer-related stuff into a new class
StimulusBuffer.

stimBuffApis/livoxGen1/pcloudDataProducer.h

@@ -3,7 +3,7 @@
 
 #include <functional>
 #include <atomic>
-#include <user/stimulusBuffer.h>
+#include <user/stimulusProducer.h>
 #include <livoxProto1/device.h>
 #include <asynchronousContinuation.h>
 #include <callback.h>
@@ -15,15 +15,15 @@ namespace smo {
 namespace stim_buff {
 
 /**
- * PcloudDataProducer is a specialized StimulusBuffer for point cloud data.
+ * PcloudDataProducer is a specialized StimulusProducer for point cloud data.
  *
- * This class extends StimulusBuffer to handle point cloud-specific stimulus
+ * This class extends StimulusProducer to handle point cloud-specific stimulus
  * frames, particularly those generated from LiDAR point cloud data. It
  * provides additional functionality for managing point cloud frame metadata
  * and processing.
  */
 class PcloudDataProducer
-:	public StimulusBuffer
+:	public StimulusProducer
 {
 public:
 	explicit PcloudDataProducer(