PerceptionData
This is a ROS message definition.
Source
# 感知流(Topic 消息)
std_msgs/Header header # timestamp + frame_id(tf2/rosbag 集成必须)
uint32 seq # 序号(检测丢失用)
string perception_type # "visual", "tactile", "auditory", "proprioceptive", "procedural"
string description # 人类可读描述(至少 5 字符)
string data # JSON 原始数据
string metadata # JSON 元数据
string session_id # 关联 session(选填)
string collection # 选填