ooodc/PicoBot
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feat: 更新取消结果构建逻辑，确保已生成消息包含在取消响应中

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This commit is contained in:
oudecheng 2026-07-02 18:27:22 +08:00
parent 32d49601a2
commit 4071dcc6ee
1 changed files with 19 additions and 7 deletions
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26
src/agent/agent_loop.rs
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@ -915,7 +915,7 @@ impl AgentLoop {
if let Some(ref mutex) = self.cancel_token {
if mutex.lock().await.has_changed().unwrap_or(true) {
tracing::info!(iteration, "Agent execution cancelled by user");
let cancel = Self::build_cancel_result(iteration, emitted_messages.len());
let cancel = Self::build_cancel_result(iteration, emitted_messages);
self.emit_live_tool_call_message(cancel.final_response.clone()).await;
return Ok(cancel);
}
@ -1027,7 +1027,7 @@ impl AgentLoop {
// 显式 drop 外部 stream_callback → delta_tx 释放 → channel 关闭。
drop(stream_callback);
let _ = consumer_task.await;
let cancel = Self::build_cancel_result(iteration, emitted_messages.len());
let cancel = Self::build_cancel_result(iteration, emitted_messages);
self.emit_live_tool_call_message(cancel.final_response.clone()).await;
return Ok(cancel);
}
@ -1035,7 +1035,12 @@ impl AgentLoop {
llm_result = result;
}
}
// LLM 调用正常完成：clone 的 Arc 已被 select! drop，
// 但外部 stream_callback 仍存活。显式 drop 以关闭 mpsc channel，
// 让 consumer_task 能自然退出。
drop(stream_callback);
} else {
// 无取消令牌：stream_callback 被 move 进 chat_with_streaming，调用完成即释放。
llm_result = self.provider.chat_with_streaming(request, stream_callback).await;
}
@ -1147,7 +1152,7 @@ impl AgentLoop {
let tool_results = if self.cancel_token.is_some() {
tokio::select! {
_ = self.cancel_signal() => {
let cancel = Self::build_cancel_result(iteration, emitted_messages.len());
let cancel = Self::build_cancel_result(iteration, emitted_messages);
self.emit_live_tool_call_message(cancel.final_response.clone()).await;
return Ok(cancel);
}
@ -1282,7 +1287,7 @@ impl AgentLoop {
if self.cancel_token.is_some() {
tokio::select! {
_ = self.cancel_signal() => {
let cancel = Self::build_cancel_result(self.max_iterations, emitted_messages.len());
let cancel = Self::build_cancel_result(self.max_iterations, emitted_messages);
self.emit_live_tool_call_message(cancel.final_response.clone()).await;
return Ok(cancel);
}
@ -1342,15 +1347,22 @@ impl AgentLoop {
}
/// 构建取消响应，包含已完成的迭代次数和已生成的消息数量。
fn build_cancel_result(iteration: usize, emitted_count: usize) -> AgentProcessResult {
/// 构建取消响应，将取消通知追加到 `emitted_messages` 末尾后一并返回。
/// 这样 finalize_result 会把中间消息加入内存历史，确保下一个 LLM 调用有完整上下文。
fn build_cancel_result(
iteration: usize,
mut emitted_messages: Vec<ChatMessage>,
) -> AgentProcessResult {
let emitted_count = emitted_messages.len();
let cancel_message = format!(
"\n\n[用户已取消执行。已迭代 {} 次，取消前共生成了 {} 条消息。]",
iteration, emitted_count
);
let assistant_message = ChatMessage::assistant(cancel_message);
emitted_messages.push(assistant_message.clone());
AgentProcessResult {
final_response: assistant_message.clone(),
emitted_messages: vec![assistant_message],
final_response: assistant_message,
emitted_messages,
}
}