Struct SubAgentHandle 

pub struct SubAgentHandle {
    pub id: String,
    pub is_running: Arc<AtomicBool>,
    pub system_prompt: Arc<Mutex<String>>,
    pub messages: Arc<Mutex<Vec<ChatMessage>>>,
    pub status: Arc<Mutex<SubAgentStatus>>,
    pub current_tool: Arc<Mutex<Option<String>>>,
    pub tool_calls_count: Arc<AtomicUsize>,
    pub current_round: Arc<AtomicUsize>,
}

register 返回的 handle 集合，供 loop 写入状态

Fields

id: String

is_running: Arc<AtomicBool>

system_prompt: Arc<Mutex<String>>

messages: Arc<Mutex<Vec<ChatMessage>>>

status: Arc<Mutex<SubAgentStatus>>

current_tool: Arc<Mutex<Option<String>>>

tool_calls_count: Arc<AtomicUsize>

current_round: Arc<AtomicUsize>