feat:任务大纲停止以及执行结果暂停继续逻辑完善

backend/AgentCoord/LLMAPI/LLMAPI.py

@@ -112,7 +112,16 @@ def _call_with_custom_config(messages: list[dict], stream: bool, model_config: d
                 timeout=180
 
             )
+            # 检查响应是否有效
+            if not response.choices or len(response.choices) == 0:
+                raise Exception(f"API returned empty response for model {api_model}")
+            if not response.choices[0] or not response.choices[0].message:
+                raise Exception(f"API returned invalid response format for model {api_model}")
+
             full_reply_content = response.choices[0].message.content
+            if full_reply_content is None:
+                raise Exception(f"API returned None content for model {api_model}")
+
             print(colored(full_reply_content, "blue", "on_white"), end="")
             return full_reply_content
     except Exception as e:
@@ -138,15 +147,21 @@ async def _achat_completion_stream_custom(messages:list[dict], temp_async_client
             async for chunk in response:
                 collected_chunks.append(chunk)
                 choices = chunk.choices
-                if len(choices) > 0:
-                    chunk_message = chunk.choices[0].delta
-                    collected_messages.append(chunk_message)
-                    if chunk_message.content:
-                        print(colored(chunk_message.content, "blue", "on_white"), end="")
+                if len(choices) > 0 and choices[0] is not None:
+                    chunk_message = choices[0].delta
+                    if chunk_message is not None:
+                        collected_messages.append(chunk_message)
+                        if chunk_message.content:
+                            print(colored(chunk_message.content, "blue", "on_white"), end="")
             print()
             full_reply_content = "".join(
                 [m.content or "" for m in collected_messages if m is not None]
             )
+
+            # 检查最终结果是否为空
+            if not full_reply_content or full_reply_content.strip() == "":
+                raise Exception(f"Stream API returned empty content for model {api_model}")
+
             return full_reply_content
         except httpx.RemoteProtocolError as e:
             if attempt < max_retries - 1:
@@ -184,7 +199,16 @@ async def _achat_completion_stream_groq(messages: list[dict]) -> str:
             else:
                 raise Exception("failed")
 
+    # 检查响应是否有效
+    if not response.choices or len(response.choices) == 0:
+        raise Exception("Groq API returned empty response")
+    if not response.choices[0] or not response.choices[0].message:
+        raise Exception("Groq API returned invalid response format")
+
     full_reply_content = response.choices[0].message.content
+    if full_reply_content is None:
+        raise Exception("Groq API returned None content")
+
     print(colored(full_reply_content, "blue", "on_white"), end="")
     print()
     return full_reply_content
@@ -217,7 +241,16 @@ async def _achat_completion_stream_mixtral(messages: list[dict]) -> str:
             else:
                 raise Exception("failed")
 
+    # 检查响应是否有效
+    if not stream.choices or len(stream.choices) == 0:
+        raise Exception("Mistral API returned empty response")
+    if not stream.choices[0] or not stream.choices[0].message:
+        raise Exception("Mistral API returned invalid response format")
+
     full_reply_content = stream.choices[0].message.content
+    if full_reply_content is None:
+        raise Exception("Mistral API returned None content")
+
     print(colored(full_reply_content, "blue", "on_white"), end="")
     print()
     return full_reply_content
@@ -240,19 +273,25 @@ async def _achat_completion_stream_gpt35(messages: list[dict]) -> str:
     async for chunk in response:
         collected_chunks.append(chunk)  # save the event response
         choices = chunk.choices
-        if len(choices) > 0:
-            chunk_message = chunk.choices[0].delta
-            collected_messages.append(chunk_message)  # save the message
-            if chunk_message.content:
-                print(
-                    colored(chunk_message.content, "blue", "on_white"),
-                    end="",
-                )
+        if len(choices) > 0 and choices[0] is not None:
+            chunk_message = choices[0].delta
+            if chunk_message is not None:
+                collected_messages.append(chunk_message)  # save the message
+                if chunk_message.content:
+                    print(
+                        colored(chunk_message.content, "blue", "on_white"),
+                        end="",
+                    )
     print()
 
     full_reply_content = "".join(
         [m.content or "" for m in collected_messages if m is not None]
     )
+
+    # 检查最终结果是否为空
+    if not full_reply_content or full_reply_content.strip() == "":
+        raise Exception("Stream API (gpt-3.5) returned empty content")
+
     return full_reply_content
 
 
@@ -275,7 +314,16 @@ def _achat_completion_json(messages: list[dict] ) -> str:
             else:
                 raise Exception("failed")
 
+    # 检查响应是否有效
+    if not response.choices or len(response.choices) == 0:
+        raise Exception("OpenAI API returned empty response")
+    if not response.choices[0] or not response.choices[0].message:
+        raise Exception("OpenAI API returned invalid response format")
+
     full_reply_content = response.choices[0].message.content
+    if full_reply_content is None:
+        raise Exception("OpenAI API returned None content")
+
     print(colored(full_reply_content, "blue", "on_white"), end="")
     print()
     return full_reply_content
@@ -294,19 +342,25 @@ async def _achat_completion_stream(messages: list[dict]) -> str:
         async for chunk in response:
             collected_chunks.append(chunk)  # save the event response
             choices = chunk.choices
-            if len(choices) > 0:
-                chunk_message = chunk.choices[0].delta
-                collected_messages.append(chunk_message)  # save the message
-                if chunk_message.content:
-                    print(
-                        colored(chunk_message.content, "blue", "on_white"),
-                        end="",
-                    )
+            if len(choices) > 0 and choices[0] is not None:
+                chunk_message = choices[0].delta
+                if chunk_message is not None:
+                    collected_messages.append(chunk_message)  # save the message
+                    if chunk_message.content:
+                        print(
+                            colored(chunk_message.content, "blue", "on_white"),
+                            end="",
+                        )
         print()
 
         full_reply_content = "".join(
             [m.content or "" for m in collected_messages if m is not None]
         )
+
+        # 检查最终结果是否为空
+        if not full_reply_content or full_reply_content.strip() == "":
+            raise Exception("Stream API returned empty content")
+
         return full_reply_content
     except Exception as e:
         print_colored(f"OpenAI API error in _achat_completion_stream: {str(e)}", "red")
@@ -316,7 +370,17 @@ async def _achat_completion_stream(messages: list[dict]) -> str:
 def _chat_completion(messages: list[dict]) -> str:
     try:
         rsp = client.chat.completions.create(**_cons_kwargs(messages))
+
+        # 检查响应是否有效
+        if not rsp.choices or len(rsp.choices) == 0:
+            raise Exception("OpenAI API returned empty response")
+        if not rsp.choices[0] or not rsp.choices[0].message:
+            raise Exception("OpenAI API returned invalid response format")
+
         content = rsp.choices[0].message.content
+        if content is None:
+            raise Exception("OpenAI API returned None content")
+
         return content
     except Exception as e:
         print_colored(f"OpenAI API error in _chat_completion: {str(e)}", "red")

backend/AgentCoord/RehearsalEngine_V2/ExecutePlan_Optimized.py

@@ -1,3 +1,8 @@
+"""
+优化版执行计划 - 支持动态追加步骤
+在执行过程中可以接收新的步骤并追加到执行队列
+"""
+
 import asyncio
 import json
 import time
@@ -6,22 +11,26 @@ import AgentCoord.RehearsalEngine_V2.Action as Action
 import AgentCoord.util as util
 from termcolor import colored
 from AgentCoord.RehearsalEngine_V2.execution_state import execution_state_manager
+from AgentCoord.RehearsalEngine_V2.dynamic_execution_manager import dynamic_execution_manager
 
 
 # ==================== 配置参数 ====================
-# 最大并发请求数（避免触发 OpenAI API 速率限制）
+# 最大并发请求数
 MAX_CONCURRENT_REQUESTS = 2
 
-# 批次之间的延迟（秒）
+# 批次之间的延迟
 BATCH_DELAY = 1.0
 
-# 429 错误重试次数和延迟
+# 429错误重试次数和延迟
 MAX_RETRIES = 3
-RETRY_DELAY = 5.0  # 秒
+RETRY_DELAY = 5.0
+
 
 # ==================== 限流器 ====================
 class RateLimiter:
-    """异步限流器，控制并发请求数量"""
+    """
+    异步限流器，控制并发请求数量
+    """
 
     def __init__(self, max_concurrent: int = MAX_CONCURRENT_REQUESTS):
         self.semaphore = asyncio.Semaphore(max_concurrent)
@@ -42,7 +51,12 @@ rate_limiter = RateLimiter()
 def build_action_dependency_graph(TaskProcess: List[Dict]) -> Dict[int, List[int]]:
     """
     构建动作依赖图
-    返回: {action_index: [dependent_action_indices]}
+
+    Args:
+        TaskProcess: 任务流程列表
+
+    Returns:
+        依赖映射字典 {action_index: [dependent_action_indices]}
     """
     dependency_map = {i: [] for i in range(len(TaskProcess))}
 
@@ -51,7 +65,7 @@ def build_action_dependency_graph(TaskProcess: List[Dict]) -> Dict[int, List[int
         if not important_inputs:
             continue
 
-        # 检查是否依赖其他动作的 ActionResult
+        # 检查是否依赖其他动作的ActionResult
         for j, prev_action in enumerate(TaskProcess):
             if i == j:
                 continue
@@ -70,7 +84,13 @@ def build_action_dependency_graph(TaskProcess: List[Dict]) -> Dict[int, List[int
 def get_parallel_batches(TaskProcess: List[Dict], dependency_map: Dict[int, List[int]]) -> List[List[int]]:
     """
     将动作分为多个批次，每批内部可以并行执行
-    返回: [[batch1_indices], [batch2_indices], ...]
+
+    Args:
+        TaskProcess: 任务流程列表
+        dependency_map: 依赖图
+
+    Returns:
+        批次列表 [[batch1_indices], [batch2_indices], ...]
     """
     batches = []
     completed: Set[int] = set()
@@ -84,11 +104,11 @@ def get_parallel_batches(TaskProcess: List[Dict], dependency_map: Dict[int, List
         ]
 
         if not ready_to_run:
-            # 避免死循环（循环依赖情况）
+            # 避免死循环
             remaining = [i for i in range(len(TaskProcess)) if i not in completed]
             if remaining:
                 print(colored(f"警告: 检测到循环依赖，强制串行执行: {remaining}", "yellow"))
-                ready_to_run = remaining[:1]  # 每次只执行一个
+                ready_to_run = remaining[:1]
             else:
                 break
 
@@ -111,6 +131,20 @@ async def execute_single_action_async(
 ) -> Dict:
     """
     异步执行单个动作
+
+    Args:
+        ActionInfo: 动作信息
+        General_Goal: 总体目标
+        TaskDescription: 任务描述
+        OutputName: 输出对象名称
+        KeyObjects: 关键对象字典
+        ActionHistory: 动作历史
+        agentName: 智能体名称
+        AgentProfile_Dict: 智能体配置字典
+        InputName_List: 输入名称列表
+
+    Returns:
+        动作执行结果
     """
     actionType = ActionInfo["ActionType"]
 
@@ -128,7 +162,7 @@ async def execute_single_action_async(
             KeyObjects=KeyObjects,
         )
 
-    # 执行动作（在线程池中运行，避免阻塞事件循环）
+    # 在线程池中运行，避免阻塞事件循环
     loop = asyncio.get_event_loop()
     ActionInfo_with_Result = await loop.run_in_executor(
         None,
@@ -156,8 +190,18 @@ async def execute_step_async_streaming(
     total_steps: int
 ) -> Generator[Dict, None, None]:
     """
-    异步执行单个步骤（支持流式返回）
-    返回生成器，每完成一个动作就 yield 一次
+    异步执行单个步骤，支持流式返回
+
+    Args:
+        stepDescrip: 步骤描述
+        General_Goal: 总体目标
+        AgentProfile_Dict: 智能体配置字典
+        KeyObjects: 关键对象字典
+        step_index: 步骤索引
+        total_steps: 总步骤数
+
+    Yields:
+        执行事件字典
     """
     # 准备步骤信息
     StepName = (
@@ -213,7 +257,7 @@ async def execute_step_async_streaming(
         "content": None,
     }
 
-    # 先返回步骤开始信息
+    # 返回步骤开始事件
     yield {
         "type": "step_start",
         "step_index": step_index,
@@ -238,10 +282,8 @@ async def execute_step_async_streaming(
     # 分批执行动作
     for batch_index, batch_indices in enumerate(batches):
         # 在每个批次执行前检查暂停状态
-        print(f"🔍 [DEBUG] 步骤 {StepName}: 批次 {batch_index+1}/{len(batches)} 执行前，检查暂停状态...")
         should_continue = await execution_state_manager.async_check_pause()
         if not should_continue:
-            # 用户请求停止，中断执行
             util.print_colored("🛑 用户请求停止执行", "red")
             return
 
@@ -277,7 +319,7 @@ async def execute_step_async_streaming(
         # 等待当前批次完成
         batch_results = await asyncio.gather(*tasks)
 
-        # 逐个返回结果（流式）
+        # 逐个返回结果
         for i, result in enumerate(batch_results):
             action_index_in_batch = batch_indices[i]
             completed_actions += 1
@@ -289,7 +331,7 @@ async def execute_step_async_streaming(
 
             ActionHistory.append(result)
 
-            # 立即返回该动作结果（流式）
+            # 立即返回该动作结果
             yield {
                 "type": "action_complete",
                 "step_index": step_index,
@@ -318,19 +360,27 @@ async def execute_step_async_streaming(
     }
 
 
-def executePlan_streaming(
+def executePlan_streaming_dynamic(
     plan: Dict,
     num_StepToRun: int,
     RehearsalLog: List,
-    AgentProfile_Dict: Dict
+    AgentProfile_Dict: Dict,
+    existingKeyObjects: Dict = None,
+    execution_id: str = None
 ) -> Generator[str, None, None]:
     """
-    执行计划（流式返回版本，支持暂停/恢复）
-    返回生成器，每次返回 SSE 格式的字符串
+    动态执行计划，支持在执行过程中追加新步骤
 
-    使用方式:
-    for event in executePlan_streaming(...):
-        yield event
+    Args:
+        plan: 执行计划
+        num_StepToRun: 要运行的步骤数
+        RehearsalLog: 已执行的历史记录
+        AgentProfile_Dict: 智能体配置
+        existingKeyObjects: 已存在的KeyObjects
+        execution_id: 执行ID（用于动态追加步骤）
+
+    Yields:
+        SSE格式的事件字符串
     """
     # 初始化执行状态
     general_goal = plan.get("General Goal", "")
@@ -339,7 +389,7 @@ def executePlan_streaming(
     print(colored(f"⏸️  执行状态管理器已启动，支持暂停/恢复", "green"))
 
     # 准备执行
-    KeyObjects = {}
+    KeyObjects = existingKeyObjects.copy() if existingKeyObjects else {}
     finishedStep_index = -1
 
     for logNode in RehearsalLog:
@@ -348,6 +398,9 @@ def executePlan_streaming(
         if logNode["LogNodeType"] == "object":
             KeyObjects[logNode["NodeId"]] = logNode["content"]
 
+    if existingKeyObjects:
+        print(colored(f"📦 使用已存在的 KeyObjects: {list(existingKeyObjects.keys())}", "cyan"))
+
     # 确定要运行的步骤范围
     if num_StepToRun is None:
         run_to = len(plan["Collaboration Process"])
@@ -355,78 +408,173 @@ def executePlan_streaming(
         run_to = (finishedStep_index + 1) + num_StepToRun
 
     steps_to_run = plan["Collaboration Process"][(finishedStep_index + 1): run_to]
-    total_steps = len(steps_to_run)
 
-    print(colored(f"🚀 开始执行计划（流式推送），共 {total_steps} 个步骤", "cyan", attrs=["bold"]))
+    # 使用动态执行管理器
+    if execution_id:
+        # 初始化执行管理器，使用传入的execution_id
+        actual_execution_id = dynamic_execution_manager.start_execution(general_goal, steps_to_run, execution_id)
+        print(colored(f"🚀 开始执行计划（动态模式），共 {len(steps_to_run)} 个步骤，执行ID: {actual_execution_id}", "cyan"))
+    else:
+        print(colored(f"🚀 开始执行计划（流式推送），共 {len(steps_to_run)} 个步骤", "cyan"))
+
+    total_steps = len(steps_to_run)
 
     # 使用队列实现流式推送
     async def produce_events(queue: asyncio.Queue):
-        """异步生产者：每收到一个事件就放入队列"""
+        """异步生产者"""
         try:
-            for step_index, stepDescrip in enumerate(steps_to_run):
-                # 在每个步骤执行前检查暂停状态
-                should_continue = await execution_state_manager.async_check_pause()
-                if not should_continue:
-                    # 用户请求停止，中断执行
-                    print(colored("🛑 用户请求停止执行", "red"))
-                    await queue.put({
-                        "type": "error",
-                        "message": "执行已被用户停止"
-                    })
-                    return
+            step_index = 0
 
-                # 执行单个步骤（流式）
-                async for event in execute_step_async_streaming(
-                    stepDescrip,
-                    plan["General Goal"],
-                    AgentProfile_Dict,
-                    KeyObjects,
-                    step_index,
-                    total_steps
-                ):
-                    # 检查是否需要停止
-                    if execution_state_manager.is_stopped():
+            if execution_id:
+                # 动态模式：循环获取下一个步骤
+                # 等待新步骤的最大次数（避免无限等待）
+                max_empty_wait_cycles = 60  # 最多等待60次，每次等待1秒
+                empty_wait_count = 0
+
+                while True:
+                    # 检查暂停状态
+                    should_continue = await execution_state_manager.async_check_pause()
+                    if not should_continue:
+                        print(colored("🛑 用户请求停止执行", "red"))
+                        await queue.put({
+                            "type": "error",
+                            "message": "执行已被用户停止"
+                        })
+                        break
+
+                    # 获取下一个步骤
+                    stepDescrip = dynamic_execution_manager.get_next_step(execution_id)
+
+                    if stepDescrip is None:
+                        # 没有更多步骤了，检查是否应该继续等待
+                        empty_wait_count += 1
+
+                        # 获取执行信息
+                        execution_info = dynamic_execution_manager.get_execution_info(execution_id)
+
+                        if execution_info:
+                            queue_total_steps = execution_info.get("total_steps", 0)
+                            completed_steps = execution_info.get("completed_steps", 0)
+
+                            # 如果没有步骤在队列中（queue_total_steps为0），立即退出
+                            if queue_total_steps == 0:
+                                print(colored(f"⚠️  没有步骤在队列中，退出执行", "yellow"))
+                                break
+
+                            # 如果所有步骤都已完成，等待可能的新步骤
+                            if completed_steps >= queue_total_steps:
+                                if empty_wait_count >= max_empty_wait_cycles:
+                                    # 等待超时，退出执行
+                                    print(colored(f"✅ 所有步骤执行完成，等待超时", "green"))
+                                    break
+                                else:
+                                    # 等待新步骤追加
+                                    print(colored(f"⏳ 等待新步骤追加... ({empty_wait_count}/{max_empty_wait_cycles})", "cyan"))
+                                    await asyncio.sleep(1)
+                                    continue
+                            else:
+                                # 还有步骤未完成，继续尝试获取
+                                print(colored(f"⏳ 等待步骤就绪... ({completed_steps}/{queue_total_steps})", "cyan"))
+                                await asyncio.sleep(0.5)
+                                empty_wait_count = 0  # 重置等待计数
+                                continue
+                        else:
+                            # 执行信息不存在，退出
+                            print(colored(f"⚠️  执行信息不存在，退出执行", "yellow"))
+                            break
+
+                    # 重置等待计数
+                    empty_wait_count = 0
+
+                    # 获取最新的总步骤数（用于显示）
+                    execution_info = dynamic_execution_manager.get_execution_info(execution_id)
+                    current_total_steps = execution_info.get("total_steps", total_steps) if execution_info else total_steps
+
+                    # 执行步骤
+                    async for event in execute_step_async_streaming(
+                        stepDescrip,
+                        plan["General Goal"],
+                        AgentProfile_Dict,
+                        KeyObjects,
+                        step_index,
+                        current_total_steps  # 使用动态更新的总步骤数
+                    ):
+                        if execution_state_manager.is_stopped():
+                            await queue.put({
+                                "type": "error",
+                                "message": "执行已被用户停止"
+                            })
+                            return
+
+                        await queue.put(event)
+
+                    # 标记步骤完成
+                    dynamic_execution_manager.mark_step_completed(execution_id)
+
+                    # 更新KeyObjects
+                    OutputName = stepDescrip.get("OutputObject", "")
+                    if OutputName and OutputName in KeyObjects:
+                        # 对象日志节点会在step_complete中发送
+                        pass
+
+                    step_index += 1
+
+            else:
+                # 非动态模式：按顺序执行所有步骤
+                for step_index, stepDescrip in enumerate(steps_to_run):
+                    should_continue = await execution_state_manager.async_check_pause()
+                    if not should_continue:
+                        print(colored("🛑 用户请求停止执行", "red"))
                         await queue.put({
                             "type": "error",
                             "message": "执行已被用户停止"
                         })
                         return
 
-                    await queue.put(event)  # ← 立即放入队列
+                    async for event in execute_step_async_streaming(
+                        stepDescrip,
+                        plan["General Goal"],
+                        AgentProfile_Dict,
+                        KeyObjects,
+                        step_index,
+                        total_steps
+                    ):
+                        if execution_state_manager.is_stopped():
+                            await queue.put({
+                                "type": "error",
+                                "message": "执行已被用户停止"
+                            })
+                            return
+
+                        await queue.put(event)
+
         except Exception as e:
-            # 发送错误信息
             await queue.put({
                 "type": "error",
                 "message": f"执行出错: {str(e)}"
             })
         finally:
-            await queue.put(None)  # ← 发送完成信号
+            await queue.put(None)
 
-    # 运行异步任务并实时 yield
+    # 运行异步任务并实时yield
     loop = asyncio.new_event_loop()
     asyncio.set_event_loop(loop)
 
     try:
-        # 创建队列
         queue = asyncio.Queue(maxsize=10)
-
-        # 启动异步生产者任务
         producer_task = loop.create_task(produce_events(queue))
 
-        # 同步消费者：从队列读取并 yield（使用 run_until_complete）
         while True:
-            event = loop.run_until_complete(queue.get())  # ← 从队列获取事件
-            if event is None:  # ← 收到完成信号
+            event = loop.run_until_complete(queue.get())
+            if event is None:
                 break
 
-            # 立即转换为 SSE 格式并发送
+            # 立即转换为SSE格式并发送
             event_str = json.dumps(event, ensure_ascii=False)
-            yield f"data: {event_str}\n\n"  # ← 立即发送给前端
+            yield f"data: {event_str}\n\n"
 
-        # 等待生产者任务完成
         loop.run_until_complete(producer_task)
 
-        # 如果不是被停止的，发送完成信号
         if not execution_state_manager.is_stopped():
             complete_event = json.dumps({
                 "type": "execution_complete",
@@ -435,10 +583,26 @@ def executePlan_streaming(
             yield f"data: {complete_event}\n\n"
 
     finally:
-        # 清理任务
+        # 在关闭事件循环之前先清理执行记录
+        if execution_id:
+            # 清理执行记录
+            dynamic_execution_manager.cleanup(execution_id)
+
         if 'producer_task' in locals():
             if not producer_task.done():
                 producer_task.cancel()
+
+        # 确保所有任务都完成后再关闭事件循环
+        try:
+            pending = asyncio.all_tasks(loop)
+            for task in pending:
+                task.cancel()
+            loop.run_until_complete(asyncio.gather(*pending, return_exceptions=True))
+        except Exception:
+            pass  # 忽略清理过程中的错误
+
         loop.close()
 
 
+# 保留旧版本函数以保持兼容性
+executePlan_streaming = executePlan_streaming_dynamic

backend/AgentCoord/RehearsalEngine_V2/dynamic_execution_manager.py

@@ -0,0 +1,241 @@
+"""
+动态执行管理器
+用于在任务执行过程中动态追加新步骤
+"""
+
+import asyncio
+from typing import Dict, List, Optional, Any
+from threading import Lock
+
+
+class DynamicExecutionManager:
+    """
+    动态执行管理器
+    管理正在执行的任务，支持动态追加新步骤
+    """
+
+    def __init__(self):
+        # 执行状态: goal -> execution_info
+        self._executions: Dict[str, Dict] = {}
+
+        # 线程锁
+        self._lock = Lock()
+
+        # 步骤队列: goal -> List[step]
+        self._step_queues: Dict[str, List] = {}
+
+        # 已执行的步骤索引: goal -> Set[step_index]
+        self._executed_steps: Dict[str, set] = {}
+
+        # 待执行的步骤索引: goal -> List[step_index]
+        self._pending_steps: Dict[str, List[int]] = {}
+
+    def start_execution(self, goal: str, initial_steps: List[Dict], execution_id: str = None) -> str:
+        """
+        开始执行一个新的任务
+
+        Args:
+            goal: 任务目标
+            initial_steps: 初始步骤列表
+            execution_id: 执行ID，如果不提供则自动生成
+
+        Returns:
+            执行ID
+        """
+        with self._lock:
+            # 如果未提供execution_id，则生成一个
+            if execution_id is None:
+                execution_id = f"{goal}_{asyncio.get_event_loop().time()}"
+
+            self._executions[execution_id] = {
+                "goal": goal,
+                "status": "running",
+                "total_steps": len(initial_steps),
+                "completed_steps": 0
+            }
+
+            # 初始化步骤队列
+            self._step_queues[execution_id] = initial_steps.copy()
+
+            # 初始化已执行步骤集合
+            self._executed_steps[execution_id] = set()
+
+            # 初始化待执行步骤索引
+            self._pending_steps[execution_id] = list(range(len(initial_steps)))
+
+            print(f"🚀 启动执行: {execution_id}")
+            print(f"📊 初始步骤数: {len(initial_steps)}")
+            print(f"📋 待执行步骤索引: {self._pending_steps[execution_id]}")
+
+            return execution_id
+
+    def add_steps(self, execution_id: str, new_steps: List[Dict]) -> int:
+        """
+        向执行中追加新步骤
+
+        Args:
+            execution_id: 执行ID
+            new_steps: 新步骤列表
+
+        Returns:
+            追加的步骤数量
+        """
+        with self._lock:
+            if execution_id not in self._step_queues:
+                print(f"⚠️  警告: 执行ID {execution_id} 不存在，无法追加步骤")
+                return 0
+
+            current_count = len(self._step_queues[execution_id])
+
+            # 追加新步骤到队列
+            self._step_queues[execution_id].extend(new_steps)
+
+            # 添加新步骤的索引到待执行列表
+            new_indices = list(range(current_count, current_count + len(new_steps)))
+            self._pending_steps[execution_id].extend(new_indices)
+
+            # 更新总步骤数
+            old_total = self._executions[execution_id]["total_steps"]
+            self._executions[execution_id]["total_steps"] = len(self._step_queues[execution_id])
+            new_total = self._executions[execution_id]["total_steps"]
+
+            print(f"➕ 追加了 {len(new_steps)} 个步骤到 {execution_id}")
+            print(f"📊 步骤总数: {old_total} -> {new_total}")
+            print(f"📋 待执行步骤索引: {self._pending_steps[execution_id]}")
+
+            return len(new_steps)
+
+    def get_next_step(self, execution_id: str) -> Optional[Dict]:
+        """
+        获取下一个待执行的步骤
+
+        Args:
+            execution_id: 执行ID
+
+        Returns:
+            下一个步骤，如果没有则返回None
+        """
+        with self._lock:
+            if execution_id not in self._pending_steps:
+                print(f"⚠️  警告: 执行ID {execution_id} 不存在")
+                return None
+
+            # 获取第一个待执行步骤的索引
+            if not self._pending_steps[execution_id]:
+                return None
+
+            step_index = self._pending_steps[execution_id].pop(0)
+
+            # 从队列中获取步骤
+            if step_index >= len(self._step_queues[execution_id]):
+                print(f"⚠️  警告: 步骤索引 {step_index} 超出范围")
+                return None
+
+            step = self._step_queues[execution_id][step_index]
+
+            # 标记为已执行
+            self._executed_steps[execution_id].add(step_index)
+
+            step_name = step.get("StepName", "未知")
+            print(f"🎯 获取下一个步骤: {step_name} (索引: {step_index})")
+            print(f"📋 剩余待执行步骤: {len(self._pending_steps[execution_id])}")
+
+            return step
+
+    def mark_step_completed(self, execution_id: str):
+        """
+        标记一个步骤完成
+
+        Args:
+            execution_id: 执行ID
+        """
+        with self._lock:
+            if execution_id in self._executions:
+                self._executions[execution_id]["completed_steps"] += 1
+                completed = self._executions[execution_id]["completed_steps"]
+                total = self._executions[execution_id]["total_steps"]
+                print(f"📊 步骤完成进度: {completed}/{total}")
+            else:
+                print(f"⚠️  警告: 执行ID {execution_id} 不存在")
+
+    def get_execution_info(self, execution_id: str) -> Optional[Dict]:
+        """
+        获取执行信息
+
+        Args:
+            execution_id: 执行ID
+
+        Returns:
+            执行信息字典
+        """
+        with self._lock:
+            return self._executions.get(execution_id)
+
+    def get_pending_count(self, execution_id: str) -> int:
+        """
+        获取待执行步骤数量
+
+        Args:
+            execution_id: 执行ID
+
+        Returns:
+            待执行步骤数量
+        """
+        with self._lock:
+            if execution_id not in self._pending_steps:
+                return 0
+            return len(self._pending_steps[execution_id])
+
+    def has_more_steps(self, execution_id: str) -> bool:
+        """
+        检查是否还有更多步骤待执行
+
+        Args:
+            execution_id: 执行ID
+
+        Returns:
+            是否还有待执行步骤
+        """
+        with self._lock:
+            if execution_id not in self._pending_steps:
+                return False
+            return len(self._pending_steps[execution_id]) > 0
+
+    def finish_execution(self, execution_id: str):
+        """
+        完成执行
+
+        Args:
+            execution_id: 执行ID
+        """
+        with self._lock:
+            if execution_id in self._executions:
+                self._executions[execution_id]["status"] = "completed"
+
+    def cancel_execution(self, execution_id: str):
+        """
+        取消执行
+
+        Args:
+            execution_id: 执行ID
+        """
+        with self._lock:
+            if execution_id in self._executions:
+                self._executions[execution_id]["status"] = "cancelled"
+
+    def cleanup(self, execution_id: str):
+        """
+        清理执行记录
+
+        Args:
+            execution_id: 执行ID
+        """
+        with self._lock:
+            self._executions.pop(execution_id, None)
+            self._step_queues.pop(execution_id, None)
+            self._executed_steps.pop(execution_id, None)
+            self._pending_steps.pop(execution_id, None)
+
+
+# 全局单例
+dynamic_execution_manager = DynamicExecutionManager()

backend/server.py

@@ -270,6 +270,12 @@ def Handle_executePlanOptimized():
     - 无依赖关系的动作并行执行
     - 有依赖关系的动作串行执行
 
+    支持参数:
+        plan: 执行计划
+        num_StepToRun: 要运行的步骤数
+        RehearsalLog: 已执行的历史记录
+        existingKeyObjects: 已存在的KeyObjects（用于重新执行时传递中间结果）
+
     前端使用 EventSource 接收
     """
     incoming_data = request.get_json()
@@ -281,6 +287,7 @@ def Handle_executePlanOptimized():
                 num_StepToRun=incoming_data.get("num_StepToRun"),
                 RehearsalLog=incoming_data.get("RehearsalLog", []),
                 AgentProfile_Dict=AgentProfile_Dict,
+                existingKeyObjects=incoming_data.get("existingKeyObjects"),
             ):
                 yield chunk
         except Exception as e:
@@ -405,7 +412,7 @@ def handle_ping():
 def handle_execute_plan_optimized_ws(data):
     """
     WebSocket版本：优化版流式执行计划
-    支持步骤级流式 + 动作级智能并行
+    支持步骤级流式 + 动作级智能并行 + 动态追加步骤
 
     请求格式：
     {
@@ -414,7 +421,8 @@ def handle_execute_plan_optimized_ws(data):
         "data": {
             "plan": {...},
             "num_StepToRun": null,
-            "RehearsalLog": []
+            "RehearsalLog": [],
+            "enable_dynamic": true  # 是否启用动态追加步骤
         }
     }
     """
@@ -425,27 +433,66 @@ def handle_execute_plan_optimized_ws(data):
         plan = incoming_data.get("plan")
         num_StepToRun = incoming_data.get("num_StepToRun")
         RehearsalLog = incoming_data.get("RehearsalLog", [])
+        enable_dynamic = incoming_data.get("enable_dynamic", False)
 
-        # 使用原有的流式执行函数
-        for chunk in executePlan_streaming(
-            plan=plan,
-            num_StepToRun=num_StepToRun,
-            RehearsalLog=RehearsalLog,
-            AgentProfile_Dict=AgentProfile_Dict,
-        ):
-            # 通过WebSocket推送进度
+        # 如果前端传入了execution_id，使用前端的；否则生成新的
+        execution_id = incoming_data.get("execution_id")
+        if not execution_id:
+            import time
+            execution_id = f"{plan.get('General Goal', '').replace(' ', '_')}_{int(time.time() * 1000)}"
+
+        if enable_dynamic:
+            # 动态模式：使用executePlan_streaming_dynamic
+            from AgentCoord.RehearsalEngine_V2.ExecutePlan_Optimized import executePlan_streaming_dynamic
+
+            # 发送执行ID（确认使用的ID）
             emit('progress', {
                 'id': request_id,
-                'status': 'streaming',
-                'data': chunk.replace('data: ', '').replace('\n\n', '')
+                'status': 'execution_started',
+                'execution_id': execution_id,
+                'message': '执行已启动，支持动态追加步骤'
             })
 
-        # 发送完成信号
-        emit('progress', {
-            'id': request_id,
-            'status': 'complete',
-            'data': None
-        })
+            for chunk in executePlan_streaming_dynamic(
+                plan=plan,
+                num_StepToRun=num_StepToRun,
+                RehearsalLog=RehearsalLog,
+                AgentProfile_Dict=AgentProfile_Dict,
+                execution_id=execution_id
+            ):
+                emit('progress', {
+                    'id': request_id,
+                    'status': 'streaming',
+                    'data': chunk.replace('data: ', '').replace('\n\n', '')
+                })
+
+            # 发送完成信号
+            emit('progress', {
+                'id': request_id,
+                'status': 'complete',
+                'data': None
+            })
+
+        else:
+            # 非动态模式：使用原有方式
+            for chunk in executePlan_streaming(
+                plan=plan,
+                num_StepToRun=num_StepToRun,
+                RehearsalLog=RehearsalLog,
+                AgentProfile_Dict=AgentProfile_Dict,
+            ):
+                emit('progress', {
+                    'id': request_id,
+                    'status': 'streaming',
+                    'data': chunk.replace('data: ', '').replace('\n\n', '')
+                })
+
+            # 发送完成信号
+            emit('progress', {
+                'id': request_id,
+                'status': 'complete',
+                'data': None
+            })
 
     except Exception as e:
         # 发送错误信息
@@ -456,6 +503,68 @@ def handle_execute_plan_optimized_ws(data):
         })
 
 
+@socketio.on('add_steps_to_execution')
+def handle_add_steps_to_execution(data):
+    """
+    WebSocket版本：向正在执行的任务追加新步骤
+
+    请求格式：
+    {
+        "id": "request-id",
+        "action": "add_steps_to_execution",
+        "data": {
+            "execution_id": "execution_id",
+            "new_steps": [...]
+        }
+    }
+    """
+    request_id = data.get('id')
+    incoming_data = data.get('data', {})
+
+    try:
+        from AgentCoord.RehearsalEngine_V2.dynamic_execution_manager import dynamic_execution_manager
+
+        execution_id = incoming_data.get('execution_id')
+        new_steps = incoming_data.get('new_steps', [])
+
+        if not execution_id:
+            emit('response', {
+                'id': request_id,
+                'status': 'error',
+                'error': '缺少execution_id参数'
+            })
+            return
+
+        # 追加新步骤到执行队列
+        added_count = dynamic_execution_manager.add_steps(execution_id, new_steps)
+
+        if added_count > 0:
+            print(f"✅ 成功追加 {added_count} 个步骤到执行队列: {execution_id}")
+            emit('response', {
+                'id': request_id,
+                'status': 'success',
+                'data': {
+                    'message': f'成功追加 {added_count} 个步骤',
+                    'added_count': added_count
+                }
+            })
+        else:
+            print(f"⚠️  无法追加步骤，执行ID不存在或已结束: {execution_id}")
+            emit('response', {
+                'id': request_id,
+                'status': 'error',
+                'error': '执行ID不存在或已结束'
+            })
+
+    except Exception as e:
+        print(f"❌ 追加步骤失败: {str(e)}")
+        emit('response', {
+            'id': request_id,
+            'status': 'error',
+            'error': str(e)
+        })
+
+
 @socketio.on('generate_base_plan')
 def handle_generate_base_plan_ws(data):
     """

frontend/src/api/index.ts

@@ -167,10 +167,8 @@ class Api {
   }
 
   /**
-   * 优化版流式执行计划（阶段1+2：步骤级流式 + 动作级智能并行）
-   * 无依赖关系的动作并行执行，有依赖关系的动作串行执行
-   *
-   * 默认使用WebSocket，如果连接失败则降级到SSE
+   * 优化版流式执行计划（支持动态追加步骤）
+   * 步骤级流式 + 动作级智能并行 + 动态追加步骤
    */
   executePlanOptimized = (
     plan: IRawPlanResponse,
@@ -178,12 +176,19 @@ class Api {
     onError?: (error: Error) => void,
     onComplete?: () => void,
     useWebSocket?: boolean,
+    existingKeyObjects?: Record<string, any>,
+    enableDynamic?: boolean,
+    onExecutionStarted?: (executionId: string) => void,
+    executionId?: string,
   ) => {
     const useWs = useWebSocket !== undefined ? useWebSocket : this.useWebSocketDefault
 
     const data = {
       RehearsalLog: [],
       num_StepToRun: null,
+      existingKeyObjects: existingKeyObjects || {},
+      enable_dynamic: enableDynamic || false,
+      execution_id: executionId || null,
       plan: {
         'Initial Input Object': plan['Initial Input Object'],
         'General Goal': plan['General Goal'],
@@ -213,14 +218,26 @@ class Api {
         // onProgress
         (progressData) => {
           try {
-            // progressData 应该已经是解析后的对象了
-            // 如果是字符串，说明后端发送的是 JSON 字符串，需要解析
             let event: StreamingEvent
+
+            // 处理不同类型的progress数据
             if (typeof progressData === 'string') {
               event = JSON.parse(progressData)
             } else {
               event = progressData as StreamingEvent
             }
+
+            // 处理特殊事件类型
+            if (event && typeof event === 'object') {
+              // 检查是否是execution_started事件
+              if ('status' in event && event.status === 'execution_started') {
+                if ('execution_id' in event && onExecutionStarted) {
+                  onExecutionStarted(event.execution_id as string)
+                }
+                return
+              }
+            }
+
             onMessage(event)
           } catch (e) {
             // Failed to parse WebSocket data
@@ -848,6 +865,39 @@ class Api {
 
     return response
   }
+
+  /**
+   * 向正在执行的任务追加新步骤
+   * @param executionId 执行ID
+   * @param newSteps 新步骤列表
+   * @returns 追加的步骤数量
+   */
+  addStepsToExecution = async (executionId: string, newSteps: IRawStepTask[]): Promise<number> => {
+    if (!websocket.connected) {
+      throw new Error('WebSocket未连接')
+    }
+
+    const response = await websocket.send('add_steps_to_execution', {
+      execution_id: executionId,
+      new_steps: newSteps.map(step => ({
+        StepName: step.StepName,
+        TaskContent: step.TaskContent,
+        InputObject_List: step.InputObject_List,
+        OutputObject: step.OutputObject,
+        AgentSelection: step.AgentSelection,
+        Collaboration_Brief_frontEnd: step.Collaboration_Brief_frontEnd,
+        TaskProcess: step.TaskProcess.map(action => ({
+          ActionType: action.ActionType,
+          AgentName: action.AgentName,
+          Description: action.Description,
+          ID: action.ID,
+          ImportantInput: action.ImportantInput,
+        })),
+      })),
+    }) as { added_count: number }
+
+    return response?.added_count || 0
+  }
 }
 
 export default new Api()

frontend/src/components/Notification/Notification.vue

@@ -0,0 +1,260 @@
+<template>
+  <teleport to="body">
+    <div class="notification-container">
+      <transition-group
+        name="notification"
+        tag="div"
+        class="notification-list"
+      >
+        <div
+          v-for="notification in notifications"
+          :key="notification.id"
+          :class="[
+            'notification-item',
+            `notification-${notification.type || 'info'}`
+          ]"
+          :style="{ zIndex: notification.zIndex || 1000 }"
+        >
+          <div class="notification-content">
+            <div class="notification-icon">
+              <component :is="getIcon(notification.type)" />
+            </div>
+            <div class="notification-message">
+              <div class="notification-title">{{ notification.title }}</div>
+              <div v-if="notification.detailTitle" class="notification-detail-title">
+                {{ notification.detailTitle }}
+              </div>
+              <div v-if="notification.detailMessage" class="notification-detail-desc">
+                {{ notification.detailMessage }}
+              </div>
+              <div v-else-if="notification.message" class="notification-desc">
+                {{ notification.message }}
+              </div>
+            </div>
+            <div class="notification-close" @click="close(notification.id)">
+              <Close />
+            </div>
+          </div>
+          <div v-if="notification.showProgress" class="notification-progress">
+            <div
+              class="progress-bar"
+              :style="{ width: `${notification.progress || 0}%` }"
+            ></div>
+          </div>
+        </div>
+      </transition-group>
+    </div>
+  </teleport>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+import {
+  Close,
+  SuccessFilled as IconSuccess,
+  WarningFilled as IconWarning,
+  CircleCloseFilled,
+  InfoFilled
+} from '@element-plus/icons-vue'
+import type { NotificationItem } from '@/composables/useNotification'
+
+const props = defineProps<{
+  notifications: NotificationItem[]
+}>()
+
+const emit = defineEmits<{
+  close: [id: string]
+}>()
+
+const close = (id: string) => {
+  emit('close', id)
+}
+
+const getIcon = (type?: string) => {
+  switch (type) {
+    case 'success':
+      return IconSuccess
+    case 'warning':
+      return IconWarning
+    case 'error':
+      return IconWarning
+    default:
+      return InfoFilled
+  }
+}
+</script>
+
+<style scoped>
+.notification-container {
+  position: fixed;
+  top: 20px;
+  right: 20px;
+  z-index: 9999;
+  pointer-events: none;
+}
+
+.notification-list {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.notification-item {
+  pointer-events: auto;
+  min-width: 300px;
+  max-width: 450px;
+  background: white;
+  border-radius: 8px;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  overflow: hidden;
+  border-left: 4px solid #409eff;
+}
+
+.notification-success {
+  border-left-color: #67c23a;
+}
+
+.notification-warning {
+  border-left-color: #e6a23c;
+}
+
+.notification-error {
+  border-left-color: #f56c6c;
+}
+
+.notification-content {
+  display: flex;
+  align-items: flex-start;
+  padding: 12px 16px;
+  gap: 12px;
+}
+
+.notification-icon {
+  flex-shrink: 0;
+  width: 20px;
+  height: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.notification-icon .success {
+  color: #67c23a;
+}
+
+.notification-icon .warning {
+  color: #e6a23c;
+}
+
+.notification-icon .error {
+  color: #f56c6c;
+}
+
+.notification-icon .info {
+  color: #409eff;
+}
+
+.notification-message {
+  flex: 1;
+  min-width: 0;
+}
+
+.notification-title {
+  font-size: 14px;
+  font-weight: 500;
+  color: #303133;
+  margin-bottom: 4px;
+}
+
+.notification-detail-title {
+  font-size: 13px;
+  font-weight: 500;
+  color: #409eff;
+  margin-top: 4px;
+  margin-bottom: 2px;
+}
+
+.notification-detail-desc {
+  font-size: 12px;
+  color: #909399;
+  line-height: 1.4;
+}
+
+.notification-desc {
+  font-size: 13px;
+  color: #606266;
+  line-height: 1.5;
+}
+
+.notification-close {
+  flex-shrink: 0;
+  width: 20px;
+  height: 20px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #909399;
+  transition: color 0.2s;
+}
+
+.notification-close:hover {
+  color: #606266;
+}
+
+.notification-progress {
+  height: 2px;
+  background: #f0f2f5;
+  overflow: hidden;
+}
+
+.progress-bar {
+  height: 100%;
+  background: #409eff;
+  transition: width 0.3s ease;
+}
+
+/* 进入动画 */
+.notification-enter-active {
+  animation: slideInRight 0.3s ease-out;
+}
+
+/* 离开动画 */
+.notification-leave-active {
+  animation: slideOutRight 0.3s ease-in;
+}
+
+@keyframes slideInRight {
+  from {
+    opacity: 0;
+    transform: translateX(100%);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+@keyframes slideOutRight {
+  from {
+    opacity: 1;
+    transform: translateX(0);
+  }
+  to {
+    opacity: 0;
+    transform: translateX(100%);
+  }
+}
+
+/* 列表项移动动画 */
+.notification-move,
+.notification-enter-active,
+.notification-leave-active {
+  transition: all 0.3s ease;
+}
+
+.notification-leave-active {
+  position: absolute;
+  width: 100%;
+}
+</style>

frontend/src/composables/useNotification.ts

@@ -0,0 +1,154 @@
+import { ref } from 'vue'
+
+export interface NotificationItem {
+  id: string
+  title: string
+  message?: string
+  type?: 'success' | 'warning' | 'info' | 'error'
+  duration?: number
+  showProgress?: boolean
+  progress?: number
+  zIndex?: number
+  onClose?: () => void
+  // 详细进度信息
+  detailTitle?: string
+  detailMessage?: string
+}
+
+const notifications = ref<NotificationItem[]>([])
+let notificationIdCounter = 0
+let zIndexCounter = 1000
+
+export function useNotification() {
+  const addNotification = (notification: Omit<NotificationItem, 'id' | 'zIndex'>) => {
+    const id = `notification-${notificationIdCounter++}`
+    const newNotification: NotificationItem = {
+      ...notification,
+      id,
+      zIndex: ++zIndexCounter,
+    }
+
+    notifications.value.push(newNotification)
+
+    // 自动关闭
+    if (notification.duration && notification.duration > 0) {
+      setTimeout(() => {
+        removeNotification(id)
+      }, notification.duration)
+    }
+
+    return id
+  }
+
+  const removeNotification = (id: string) => {
+    const index = notifications.value.findIndex((n) => n.id === id)
+    if (index !== -1) {
+      const notification = notifications.value[index]
+      notifications.value.splice(index, 1)
+      notification.onClose?.()
+    }
+  }
+
+  const success = (title: string, message?: string, options?: Partial<NotificationItem>) => {
+    return addNotification({
+      title,
+      message,
+      type: 'success',
+      duration: 3000,
+      ...options,
+    })
+  }
+
+  const warning = (title: string, message?: string, options?: Partial<NotificationItem>) => {
+    return addNotification({
+      title,
+      message,
+      type: 'warning',
+      duration: 3000,
+      ...options,
+    })
+  }
+
+  const info = (title: string, message?: string, options?: Partial<NotificationItem>) => {
+    return addNotification({
+      title,
+      message,
+      type: 'info',
+      duration: 3000,
+      ...options,
+    })
+  }
+
+  const error = (title: string, message?: string, options?: Partial<NotificationItem>) => {
+    return addNotification({
+      title,
+      message,
+      type: 'error',
+      duration: 5000,
+      ...options,
+    })
+  }
+
+  const progress = (
+    title: string,
+    current: number,
+    total: number,
+    options?: Partial<NotificationItem>,
+  ) => {
+    const progressPercent = Math.round((current / total) * 100)
+    return addNotification({
+      title,
+      message: `${current}/${total}`,
+      type: 'info',
+      showProgress: true,
+      progress: progressPercent,
+      duration: 0, // 不自动关闭
+      ...options,
+    })
+  }
+
+  const updateProgress = (id: string, current: number, total: number) => {
+    const notification = notifications.value.find((n) => n.id === id)
+    if (notification) {
+      notification.progress = Math.round((current / total) * 100)
+      notification.message = `${current}/${total}`
+    }
+  }
+
+  const updateProgressDetail = (
+    id: string,
+    detailTitle: string,
+    detailMessage: string,
+    current?: number,
+    total?: number
+  ) => {
+    const notification = notifications.value.find((n) => n.id === id)
+    if (notification) {
+      notification.detailTitle = detailTitle
+      notification.detailMessage = detailMessage
+      if (current !== undefined && total !== undefined) {
+        notification.progress = Math.round((current / total) * 100)
+        notification.message = `${current}/${total}`
+      }
+    }
+  }
+
+  const clear = () => {
+    notifications.value.forEach((n) => n.onClose?.())
+    notifications.value = []
+  }
+
+  return {
+    notifications,
+    addNotification,
+    removeNotification,
+    success,
+    warning,
+    info,
+    error,
+    progress,
+    updateProgress,
+    updateProgressDetail,
+    clear,
+  }
+}

frontend/src/layout/components/Main/Task.vue

@@ -107,6 +107,8 @@ async function handleStop() {
     // 无论后端是否成功停止，都重置状态
     isFillingSteps.value = false
     currentStepAbortController.value = null
+    // 标记用户已停止填充
+    agentsStore.setHasStoppedFilling(true)
   }
 }
 
@@ -134,6 +136,8 @@ async function handleSearch() {
     emit('search-start')
     agentsStore.resetAgent()
     agentsStore.setAgentRawPlan({ loading: true })
+    // 重置停止状态
+    agentsStore.setHasStoppedFilling(false)
 
     // 获取大纲
     const outlineData = await api.generateBasePlan({

frontend/src/layout/components/Main/TaskTemplate/TaskSyllabus/index.vue

@@ -9,6 +9,8 @@ import { Loading } from '@element-plus/icons-vue'
 import MultiLineTooltip from '@/components/MultiLineTooltip/index.vue'
 import Bg from './Bg.vue'
 import BranchButton from './components/BranchButton.vue'
+import Notification from '@/components/Notification/Notification.vue'
+import { useNotification } from '@/composables/useNotification'
 
 // 判断计划是否就绪
 const planReady = computed(() => {
@@ -57,6 +59,55 @@ const totalSteps = computed(() => {
   return agentsStore.agentRawPlan.data?.['Collaboration Process']?.length || 0
 })
 
+// Notification system
+const { notifications, progress: showProgress, updateProgressDetail, removeNotification } = useNotification()
+const fillingProgressNotificationId = ref<string | null>(null)
+
+// 监听填充进度，显示通知
+watch(
+  [isFillingDetails, completedSteps, totalSteps, () => agentsStore.hasStoppedFilling],
+  ([filling, completed, total, hasStopped]) => {
+    // 如果用户已停止，关闭进度通知
+    if (hasStopped && fillingProgressNotificationId.value) {
+      removeNotification(fillingProgressNotificationId.value)
+      fillingProgressNotificationId.value = null
+      return
+    }
+
+    if (filling && total > 0) {
+      if (!fillingProgressNotificationId.value) {
+        // 创建进度通知
+        fillingProgressNotificationId.value = showProgress(
+          '生成协作流程',
+          completed,
+          total
+        )
+        updateProgressDetail(
+          fillingProgressNotificationId.value,
+          `${completed}/${total}`,
+          '正在分配智能体...',
+          completed,
+          total
+        )
+      } else {
+        // 更新进度通知
+        updateProgressDetail(
+          fillingProgressNotificationId.value,
+          `${completed}/${total}`,
+          '正在分配智能体...',
+          completed,
+          total
+        )
+      }
+    } else if (fillingProgressNotificationId.value && !filling) {
+      // 填充完成，关闭进度通知
+      removeNotification(fillingProgressNotificationId.value)
+      fillingProgressNotificationId.value = null
+    }
+  },
+  { immediate: true }
+)
+
 // 编辑状态管理
 const editingTaskId = ref<string | null>(null)
 const editingContent = ref('')
@@ -274,17 +325,16 @@ defineExpose({
 
 <template>
   <div class="h-full flex flex-col">
+    <!-- Notification 通知系统 -->
+    <Notification
+      :notifications="notifications"
+      @close="(id) => removeNotification(id)"
+    />
+
     <div class="text-[18px] font-bold mb-[18px] text-[var(--color-text-title-header)]">
       任务大纲
     </div>
 
-    <!-- 加载详情提示 -->
-    <div v-if="isFillingDetails" class="detail-loading-hint">
-      <el-icon class="is-loading"><Loading /></el-icon>
-      <span>正在生成任务协作流程...</span>
-      <span class="progress">{{ completedSteps }}/{{ totalSteps }}</span>
-    </div>
-
     <div
       v-loading="agentsStore.agentRawPlan.loading"
       class="flex-1 w-full overflow-y-auto relative"
@@ -426,7 +476,7 @@ defineExpose({
 
               <!-- 未填充智能体时显示Loading -->
               <div
-                v-if="!item.AgentSelection || item.AgentSelection.length === 0"
+                v-if="(!item.AgentSelection || item.AgentSelection.length === 0) && !agentsStore.hasStoppedFilling"
                 class="flex items-center gap-2 text-[var(--color-text-secondary)] text-[14px]"
               >
                 <el-icon class="is-loading" :size="20">
@@ -601,40 +651,6 @@ defineExpose({
   }
 }
 
-// 加载详情提示样式
-.detail-loading-hint {
-  position: fixed;
-  top: 80px;
-  right: 20px;
-  background: var(--el-bg-color);
-  border: 1px solid var(--el-border-color);
-  border-radius: 8px;
-  padding: 12px 16px;
-  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  z-index: 1000;
-  animation: slideInRight 0.3s ease-out;
-
-  .progress {
-    color: var(--el-color-primary);
-    font-weight: bold;
-    margin-left: 4px;
-  }
-}
-
-@keyframes slideInRight {
-  from {
-    opacity: 0;
-    transform: translateX(20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateX(0);
-  }
-}
-
 // 输入框样式
 :deep(.el-input__wrapper) {
   background: transparent;

frontend/src/stores/modules/agents.ts

@@ -359,6 +359,7 @@ export const useAgentsStore = defineStore('agents', () => {
     }
     currentTask.value = undefined
     executePlan.value = []
+    hasStoppedFilling.value = false
   }
 
   // 额外的产物列表
@@ -415,6 +416,14 @@ export const useAgentsStore = defineStore('agents', () => {
     additionalOutputs.value = []
   }
 
+  // 标记是否用户已停止智能体分配过程
+  const hasStoppedFilling = ref(false)
+
+  // 设置停止状态
+  function setHasStoppedFilling(value: boolean) {
+    hasStoppedFilling.value = value
+  }
+
   return {
     agents,
     setAgents,
@@ -460,6 +469,9 @@ export const useAgentsStore = defineStore('agents', () => {
     addConfirmedAgentGroup,
     clearConfirmedAgentGroups,
     clearAllConfirmedAgentGroups,
+    // 停止填充状态
+    hasStoppedFilling,
+    setHasStoppedFilling,
   }
 })