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:
@@ -138,8 +147,9 @@ 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:
+                if len(choices) > 0 and choices[0] is not None:
-                    chunk_message = chunk.choices[0].delta
+                    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="")
@@ -147,6 +157,11 @@ async def _achat_completion_stream_custom(messages:list[dict], temp_async_client
             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
@@ -240,8 +273,9 @@ 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:
+        if len(choices) > 0 and choices[0] is not None:
-            chunk_message = chunk.choices[0].delta
+            chunk_message = choices[0].delta
+            if chunk_message is not None:
                 collected_messages.append(chunk_message)  # save the message
                 if chunk_message.content:
                     print(
@@ -253,6 +287,11 @@ async def _achat_completion_stream_gpt35(messages: list[dict]) -> str:
     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
@@ -294,8 +342,9 @@ 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:
+            if len(choices) > 0 and choices[0] is not None:
-                chunk_message = chunk.choices[0].delta
+                chunk_message = choices[0].delta
+                if chunk_message is not None:
                     collected_messages.append(chunk_message)  # save the message
                     if chunk_message.content:
                         print(
@@ -307,6 +356,11 @@ async def _achat_completion_stream(messages: list[dict]) -> str:
         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
 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))}
 
@@ -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）
+    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
+
+    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）
+    动态执行计划，支持在执行过程中追加新步骤
-    返回生成器，每次返回 SSE 格式的字符串
 
-    使用方式:
+    Args:
-    for event in executePlan_streaming(...):
+        plan: 执行计划
-        yield event
+        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"])
@@ -355,19 +408,122 @@ 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):
+            step_index = 0
-                # 在每个步骤执行前检查暂停状态
+
+            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:
-                    # 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",
@@ -375,7 +531,6 @@ def executePlan_streaming(
                         })
                         return
 
-                # 执行单个步骤（流式）
                     async for event in execute_step_async_streaming(
                         stepDescrip,
                         plan["General Goal"],
@@ -384,7 +539,6 @@ def executePlan_streaming(
                         step_index,
                         total_steps
                     ):
-                    # 检查是否需要停止
                         if execution_state_manager.is_stopped():
                             await queue.put({
                                 "type": "error",
@@ -392,41 +546,35 @@ def executePlan_streaming(
                             })
                             return
 
-                    await queue.put(event)  # ← 立即放入队列
+                        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
     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
+            event = loop.run_until_complete(queue.get())
-            if event is None:  # ← 收到完成信号
+            if event is None:
                 break
 
             # 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
         }
     }
     """
@@ -425,15 +433,54 @@ 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
+        # 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': 'execution_started',
+                'execution_id': execution_id,
+                'message': '执行已启动，支持动态追加步骤'
+            })
+
+            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,
             ):
-            # 通过WebSocket推送进度
                 emit('progress', {
                     'id': request_id,
                     'status': 'streaming',
@@ -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）
+   * 优化版流式执行计划（支持动态追加步骤）
-   * 无依赖关系的动作并行执行，有依赖关系的动作串行执行
+   * 步骤级流式 + 动作级智能并行 + 动态追加步骤
-   *
-   * 默认使用WebSocket，如果连接失败则降级到SSE
    */
   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/TaskResult/index.vue

@@ -2,7 +2,7 @@
 import { computed, onUnmounted, ref, reactive, nextTick, watch, onMounted } from 'vue'
 import { throttle } from 'lodash'
 import { AnchorLocations, BezierConnector } from '@jsplumb/browser-ui'
-import { ElMessage, ElMessageBox } from 'element-plus'
+import { ElMessageBox } from 'element-plus'
 import AdditionalOutputCard from './AdditionalOutputCard.vue'
 import SvgIcon from '@/components/SvgIcon/index.vue'
 import { getActionTypeDisplay, getAgentMapIcon } from '@/layout/components/config.ts'
@@ -13,6 +13,8 @@ import api, { type StreamingEvent } from '@/api'
 import ProcessCard from '../TaskProcess/ProcessCard.vue'
 import ExecutePlan from './ExecutePlan.vue'
 import websocket from '@/utils/websocket'
+import Notification from '@/components/Notification/Notification.vue'
+import { useNotification } from '@/composables/useNotification'
 
 const emit = defineEmits<{
   (e: 'refreshLine'): void
@@ -38,6 +40,34 @@ enum StepExecutionStatus {
 // Execution status for each step
 const stepExecutionStatus = ref<Record<string, StepExecutionStatus>>({})
 
+// 用于标记暂停时的"最后动作完成"状态
+const isPausing = ref(false) // 正在请求暂停（等待当前动作完成）
+
+// ==================== 步骤版本追踪 ====================
+// 步骤版本信息接口
+interface StepVersionInfo {
+  stepId: string // 步骤ID
+  stepIndex: number // 步骤索引（0-based）
+  originalHash: string // 原始配置hash（初始化时生成）
+  currentHash: string // 当前配置hash（编辑后更新）
+  isModified: boolean // 是否已修改
+}
+
+// 重执行配置接口
+interface ReExecuteConfig {
+  shouldReExecute: boolean // 是否需要重新执行
+  startFromStepIndex: number // 从哪个步骤开始（-1表示从头开始）
+  modifiedSteps: string[] // 被修改的步骤ID列表
+}
+
+// 步骤版本追踪
+const stepVersions = ref<Record<string, StepVersionInfo>>({})
+const reExecuteConfig = ref<ReExecuteConfig>({
+  shouldReExecute: false,
+  startFromStepIndex: -1,
+  modifiedSteps: []
+})
+
 // Check if step is ready to execute (has TaskProcess data)
 const isStepReady = (step: IRawStepTask) => {
   return step.TaskProcess && step.TaskProcess.length > 0
@@ -100,31 +130,231 @@ const stepsReadyStatus = computed(() => {
   }
 })
 
-// Watch step data changes, update waiting step status
+// ==================== 步骤版本追踪函数 ====================
+/**
+ * 生成步骤配置的hash（用于检测修改）
+ * @param step 步骤对象
+ * @returns hash字符串
+ */
+function generateStepHash(step: IRawStepTask): string {
+  // 只考虑TaskProcess中的Description字段
+  // 因为这是用户可以编辑的部分
+  const processDescriptions = step.TaskProcess.map(p => `${p.ID}:${p.Description}`).join('|')
+
+  // 简单hash算法
+  let hash = 0
+  for (let i = 0; i < processDescriptions.length; i++) {
+    const char = processDescriptions.charCodeAt(i)
+    hash = (hash << 5) - hash + char
+    hash = hash & hash // Convert to 32bit integer
+  }
+  return Math.abs(hash).toString(36)
+}
+
+/**
+ * 初始化步骤版本（在任务加载完成后调用）
+ */
+function initializeStepVersions() {
+  const steps = collaborationProcess.value
+  stepVersions.value = {}
+
+  steps.forEach((step, index) => {
+    const stepId = step.Id || step.StepName || `step-${index}`
+    const hash = generateStepHash(step)
+
+    stepVersions.value[stepId] = {
+      stepId,
+      stepIndex: index,
+      originalHash: hash,
+      currentHash: hash,
+      isModified: false
+    }
+  })
+
+  // 重置重执行配置
+  reExecuteConfig.value = {
+    shouldReExecute: false,
+    startFromStepIndex: -1,
+    modifiedSteps: []
+  }
+}
+
+/**
+ * 更新步骤版本（编辑保存后调用）
+ */
+function updateStepVersion(stepId: string) {
+  const step = collaborationProcess.value.find(s => (s.Id || s.StepName) === stepId)
+
+  if (step && stepVersions.value[stepId]) {
+    const newHash = generateStepHash(step)
+    const versionInfo = stepVersions.value[stepId]
+
+    versionInfo.currentHash = newHash
+    versionInfo.isModified = newHash !== versionInfo.originalHash
+
+    // 重新计算重执行配置
+    calculateReExecuteConfig()
+  }
+}
+
+/**
+ * 计算重执行配置
+ */
+function calculateReExecuteConfig() {
+  const modifiedSteps: string[] = []
+  let minModifiedIndex = Infinity
+
+  // 找出所有被修改的步骤
+  Object.values(stepVersions.value).forEach(versionInfo => {
+    if (versionInfo.isModified) {
+      modifiedSteps.push(versionInfo.stepId)
+      minModifiedIndex = Math.min(minModifiedIndex, versionInfo.stepIndex)
+    }
+  })
+
+  // 设置重执行配置
+  if (modifiedSteps.length > 0) {
+    reExecuteConfig.value = {
+      shouldReExecute: true,
+      startFromStepIndex: minModifiedIndex,
+      modifiedSteps
+    }
+  } else {
+    reExecuteConfig.value = {
+      shouldReExecute: false,
+      startFromStepIndex: -1,
+      modifiedSteps: []
+    }
+  }
+}
+
+/**
+ * 重置步骤版本标记
+ */
+function resetStepVersions() {
+  Object.values(stepVersions.value).forEach(versionInfo => {
+    versionInfo.originalHash = versionInfo.currentHash
+    versionInfo.isModified = false
+  })
+  reExecuteConfig.value = {
+    shouldReExecute: false,
+    startFromStepIndex: -1,
+    modifiedSteps: []
+  }
+}
+
+/**
+ * 清理指定步骤索引之后的所有执行结果
+ * @param fromStepIndex 起始步骤索引（该索引之后的结果将被清理）
+ */
+function clearExecutionResultsAfter(fromStepIndex: number) {
+  const steps = collaborationProcess.value
+  const currentResults = agentsStore.executePlan
+
+  // 找出需要清理的步骤名称
+  const stepsToClear = new Set<string>()
+  for (let i = fromStepIndex; i < steps.length; i++) {
+    const step = steps[i]
+    if (!step) continue
+    if (step.StepName) {
+      stepsToClear.add(step.StepName)
+    }
+    if (step.OutputObject) {
+      stepsToClear.add(step.OutputObject)
+    }
+  }
+
+  // 过滤掉需要清理的结果
+  const filteredResults = currentResults.filter(result => !stepsToClear.has(result.NodeId))
+
+  // 更新store
+  agentsStore.setExecutePlan(filteredResults)
+
+  // 重置步骤执行状态
+  Object.keys(stepExecutionStatus.value).forEach(stepName => {
+    const stepIndex = steps.findIndex(s => s.StepName === stepName)
+    if (stepIndex >= fromStepIndex) {
+      stepExecutionStatus.value[stepName] = StepExecutionStatus.READY
+    }
+  })
+}
+
+/**
+ * 监听步骤数据变化，更新步骤状态并动态追加新步骤
+ */
 watch(
   () => collaborationProcess.value,
   newSteps => {
     newSteps.forEach(step => {
+      const stepId = step.Id || step.StepName || ''
       const stepName = step.StepName || step.Id || ''
       const currentStatus = stepExecutionStatus.value[stepName]
 
-      // If step was waiting and now has data, set to ready
+      if (isStepReady(step)) {
-      if (currentStatus === StepExecutionStatus.WAITING && isStepReady(step)) {
+        // 步骤数据已就绪，更新状态
+        if (!currentStatus || currentStatus === StepExecutionStatus.WAITING) {
           stepExecutionStatus.value[stepName] = StepExecutionStatus.READY
+        }
 
-        // 如果正在执行中，自动执行下一批就绪的步骤
+        // 动态追加新步骤到执行队列
-        if (autoExecuteEnabled.value && loading.value) {
+        if (loading.value && isStreaming.value && currentExecutionId.value) {
-          executeNextReadyBatch()
+          if (!sentStepIds.value.has(stepId)) {
+            console.log(`🔄 Watch监听到新就绪步骤: ${stepName}, 准备追加到执行队列`)
+            console.log(`   - loading: ${loading.value}`)
+            console.log(`   - isStreaming: ${isStreaming.value}`)
+            console.log(`   - currentExecutionId: ${currentExecutionId.value}`)
+
+            sentStepIds.value.add(stepId)
+
+            // 异步追加步骤到后端执行队列
+            api
+              .addStepsToExecution(currentExecutionId.value, [step])
+              .then(addedCount => {
+                if (addedCount > 0) {
+                  console.log(`✅ 成功追加步骤: ${stepName}`)
+
+                  // 更新总步骤数显示
+                  const totalStepsCount = collaborationProcess.value.length
+                  const currentStep = executionProgress.value.currentStep || 1
+                  executionProgress.value.totalSteps = totalStepsCount
+
+                  // 使用 Notification 显示追加成功通知
+                  // info('步骤追加成功', `${stepName} (${currentStep}/${totalStepsCount})`, {
+                  //   duration: 2000
+                  // })
+                } else {
+                  console.warn(`⚠️ 追加步骤失败: ${stepName} - 执行ID不存在或已结束`)
+                  // 追加失败，移除标记以便重试
+                  sentStepIds.value.delete(stepId)
+                }
+              })
+              .catch(error => {
+                console.error(`❌ 追加步骤失败: ${stepName}`, error)
+                // 追加失败，移除标记以便重试
+                sentStepIds.value.delete(stepId)
+              })
+          }
+        } else if (loading.value && !isStreaming.value) {
+          console.log(`⚠️ 步骤 ${stepName} 已就绪，但尚未开始流式传输`)
+        } else if (loading.value && isStreaming.value && !currentExecutionId.value) {
+          console.log(`⚠️ 步骤 ${stepName} 已就绪，但currentExecutionId为空`)
+        }
+      } else {
+        // 步骤未就绪，设置为WAITING
+        if (!currentStatus) {
+          stepExecutionStatus.value[stepName] = StepExecutionStatus.WAITING
         }
       }
     })
+
+    // 初始化步骤版本（首次加载时）
+    if (newSteps.length > 0 && Object.keys(stepVersions.value).length === 0) {
+      initializeStepVersions()
+    }
   },
   { deep: true }
 )
 
-// Enable auto-execution (auto-execute when new steps are ready)
-const autoExecuteEnabled = ref(true)
-
 // Watch additional outputs changes
 watch(
   () => agentsStore.additionalOutputs,
@@ -166,6 +396,15 @@ function handleSaveEdit(stepId: string, processId: string, value: string) {
     const process = step.TaskProcess.find(p => p.ID === processId)
     if (process) {
       process.Description = value
+
+      // 更新步骤版本
+      updateStepVersion(stepId)
+
+      // 显示修改提示
+      const versionInfo = stepVersions.value[stepId]
+      if (versionInfo?.isModified) {
+        warning('步骤已修改', `步骤 "${step.StepName}" 已修改，继续执行时将从该步骤重新开始`)
+      }
     }
   }
   editMap[key] = false
@@ -288,89 +527,160 @@ const executionProgress = ref({
   totalSteps: 0,
   currentAction: 0,
   totalActions: 0,
-  currentStepName: '',
+  currentStepName: ''
-  message: '准备执行任务...'
 })
 
+// Notification system
+const {
+  notifications,
+  progress: showProgress,
+  updateProgress,
+  updateProgressDetail,
+  success,
+  info,
+  warning,
+  error
+} = useNotification()
+const currentProgressNotificationId = ref<string | null>(null)
+
 // Pause functionality state
-const isPaused = ref(false) // Whether paused
+const isPaused = ref(false)
-const isStreaming = ref(false) // Whether streaming data (backend started returning)
+const isStreaming = ref(false)
-const isButtonLoading = ref(false) // Button brief loading state (prevent double-click)
+const isButtonLoading = ref(false)
 
-// Store current step execution index (for sequential execution)
+// Dynamic execution state
-const currentExecutionIndex = ref(0)
+const currentExecutionId = ref<string | null>(null)
+const sentStepIds = ref<Set<string>>(new Set())
 
-// Execute next batch of ready steps (batch execution to maintain dependencies)
+// Flag to prevent duplicate execution calls
+const isExecutingNextBatch = ref(false)
+
+/**
+ * 执行下一批已就绪的步骤（使用动态追加模式）
+ * 支持在执行过程中动态追加新步骤
+ */
 async function executeNextReadyBatch() {
+  if (isExecutingNextBatch.value) {
+    console.log('executeNextReadyBatch already running, skipping duplicate call')
+    return
+  }
+
+  isExecutingNextBatch.value = true
+
+  try {
     const steps = collaborationProcess.value
 
-  // Collect all ready but unexecuted steps (in order, until hitting unready step)
+    // 收集所有已就绪但未执行的步骤
     const readySteps: IRawStepTask[] = []
 
     for (let i = 0; i < steps.length; i++) {
       const step = steps[i]
       if (!step) continue
 
-    // 如果步骤已就绪，加入批量执行列表
+      const stepId = step.Id || step.StepName || ''
-    if (isStepReady(step)) {
       const stepName = step.StepName || step.Id || ''
-      const status = stepExecutionStatus.value[stepName]
 
-      // Only collect unexecuted steps
+      // 调试日志
+      const isReady = isStepReady(step)
+      const wasSent = sentStepIds.value.has(stepId)
+      const status = stepExecutionStatus.value[stepId]
+
+      console.log(
+        `[步骤检查] ${stepName}: isReady=${isReady}, wasSent=${wasSent}, status=${status}`
+      )
+
+      // 只收集未发送的已就绪步骤
+      if (isStepReady(step) && !sentStepIds.value.has(stepId)) {
         if (!status || status === StepExecutionStatus.READY) {
           readySteps.push(step)
+          sentStepIds.value.add(stepId)
+          console.log(`✅ 收集步骤: ${stepName}, 当前总数: ${readySteps.length}`)
         }
-    } else {
-      // Stop at first unready step (maintain step order)
-      break
       }
     }
 
+    console.log(`📊 总共收集到 ${readySteps.length} 个已就绪步骤`)
+
     if (readySteps.length > 0) {
+      // 如果还没有executionId，生成一个
+      if (!currentExecutionId.value) {
+        const generalGoal = agentsStore.agentRawPlan.data?.['General Goal'] || ''
+        const timestamp = Date.now()
+        currentExecutionId.value = `${generalGoal.replace(/\s+/g, '_')}_${timestamp}`
+        console.log('🆔 生成执行ID:', currentExecutionId.value)
+      }
+
       try {
-      // Mark all steps to be executed as running
+        // 标记所有要执行的步骤为运行中
         readySteps.forEach(step => {
           const stepName = step.StepName || step.Id || ''
           stepExecutionStatus.value[stepName] = StepExecutionStatus.RUNNING
         })
 
-      //  构建包含所有已就绪步骤的计划数据（批量发送，保持依赖关系）
+        // 构建批量执行计划
         const batchPlan: IRawPlanResponse = {
           'General Goal': agentsStore.agentRawPlan.data?.['General Goal'] || '',
           'Initial Input Object': agentsStore.agentRawPlan.data?.['Initial Input Object'] || [],
-        'Collaboration Process': readySteps // Key: batch send steps
+          'Collaboration Process': readySteps
         }
 
-      const tempResults: any[] = []
+        // 执行批量步骤（启用动态追加模式）
-
-      // Execute these steps in batch
         await new Promise<void>((resolve, reject) => {
           api.executePlanOptimized(
             batchPlan,
-          // onMessage: handle each event
+            // onMessage: 处理每个事件
             (event: StreamingEvent) => {
-            // When backend starts returning data, set isStreaming (only once)
+              // 当后端开始返回数据时，设置isStreaming
               if (!isStreaming.value) {
                 isStreaming.value = true
               }
 
-            // If paused, ignore events
+              // 如果正在暂停（isPausing）或已暂停（isPaused），只允许特定事件
-            if (isPaused.value) {
+              // 这样可以确保当前正在完成的动作的结果能够被正确保存
+              if (isPausing.value || isPaused.value) {
+                if (
+                  event.type !== 'action_complete' &&
+                  event.type !== 'step_complete' &&
+                  event.type !== 'error'
+                ) {
                   return
                 }
+              }
 
               switch (event.type) {
                 case 'step_start':
-                // 使用后端返回的 step_index 和 total_steps
                   executionProgress.value = {
                     currentStep: (event.step_index || 0) + 1,
                     totalSteps: event.total_steps || collaborationProcess.value.length,
                     currentAction: 0,
                     totalActions: 0,
-                  currentStepName: event.step_name,
+                    currentStepName: event.step_name
-                  message: `正在执行步骤 ${event.step_index + 1}/${
+                  }
-                    event.total_steps || collaborationProcess.value.length
+
-                  }: ${event.step_name}`
+                  // 创建或更新进度通知，显示详细步骤信息
+                  if (!currentProgressNotificationId.value) {
+                    currentProgressNotificationId.value = showProgress(
+                      '任务执行中',
+                      executionProgress.value.currentStep,
+                      executionProgress.value.totalSteps || 1
+                    )
+                    updateProgressDetail(
+                      currentProgressNotificationId.value,
+                      `步骤 ${executionProgress.value.currentStep}/${
+                        executionProgress.value.totalSteps || 1
+                      }`,
+                      `正在执行: ${event.step_name}`
+                    )
+                  } else {
+                    updateProgressDetail(
+                      currentProgressNotificationId.value,
+                      `步骤 ${executionProgress.value.currentStep}/${
+                        executionProgress.value.totalSteps || 1
+                      }`,
+                      `正在执行: ${event.step_name}`,
+                      executionProgress.value.currentStep,
+                      executionProgress.value.totalSteps || 1
+                    )
                   }
                   break
 
@@ -379,20 +689,27 @@ async function executeNextReadyBatch() {
                     ? ` [并行 ${event.batch_info!.batch_size} 个动作]`
                     : ''
 
-                // 使用后端返回的 step_index，total_steps 使用当前进度中的值
                   const stepIndexForAction = event.step_index || 0
                   const totalStepsValue =
                     executionProgress.value.totalSteps || collaborationProcess.value.length
                   executionProgress.value = {
                     ...executionProgress.value,
                     currentAction: event.completed_actions,
-                  totalActions: event.total_actions,
+                    totalActions: event.total_actions
-                  message: `步骤 ${stepIndexForAction + 1}/${totalStepsValue}: ${
-                    event.step_name
-                  } - 动作 ${event.completed_actions}/${event.total_actions} 完成${parallelInfo}`
                   }
 
-                // Update store in real-time
+                  // 更新详细进度信息，显示动作级别进度
+                  if (currentProgressNotificationId.value) {
+                    updateProgressDetail(
+                      currentProgressNotificationId.value,
+                      `步骤 ${stepIndexForAction + 1}/${totalStepsValue}`,
+                      `${event.step_name} - 动作 ${event.completed_actions}/${event.total_actions} 完成${parallelInfo}`,
+                      stepIndexForAction + 1,
+                      totalStepsValue
+                    )
+                  }
+
+                  // 实时更新store
                   const existingStep = collaborationProcess.value.find(
                     s => s.StepName === event.step_name
                   )
@@ -411,7 +728,6 @@ async function executeNextReadyBatch() {
                         inputObject_Record: [],
                         ActionHistory: [event.action_result]
                       }
-                    tempResults.push(newStepLog)
                       agentsStore.setExecutePlan([...currentResults, newStepLog])
                     } else {
                       stepLogNode.ActionHistory.push(event.action_result)
@@ -423,17 +739,15 @@ async function executeNextReadyBatch() {
                 case 'step_complete':
                   stepExecutionStatus.value[event.step_name] = StepExecutionStatus.COMPLETED
 
-                // Update complete step log
+                  // 更新完整步骤日志
                   const currentResults = agentsStore.executePlan
                   const existingLog = currentResults.find(
                     r => r.NodeId === event.step_name && r.LogNodeType === 'step'
                   )
                   if (existingLog) {
                     existingLog.ActionHistory = event.step_log_node.ActionHistory
-                  // 触发响应式更新
                     agentsStore.setExecutePlan([...currentResults])
                   } else if (event.step_log_node) {
-                  // 添加新的 step_log_node
                     agentsStore.setExecutePlan([...currentResults, event.step_log_node])
                   }
                   // 添加object_log_node
@@ -444,7 +758,6 @@ async function executeNextReadyBatch() {
                   break
 
                 case 'execution_complete':
-                // 所有步骤都标记为完成
                   readySteps.forEach(step => {
                     const stepName = step.StepName || step.Id || ''
                     if (stepExecutionStatus.value[stepName] !== StepExecutionStatus.COMPLETED) {
@@ -452,73 +765,161 @@ async function executeNextReadyBatch() {
                     }
                   })
 
+                  // 关闭进度通知并显示完成通知
+                  if (currentProgressNotificationId.value) {
+                    removeNotification(currentProgressNotificationId.value)
+                    currentProgressNotificationId.value = null
+                  }
+
+                  success('任务执行完成', `所有步骤已执行完成`, { duration: 3000 })
                   resolve()
                   break
 
                 case 'error':
-                console.error(' 执行错误:', event.message)
+                  const errorMessage = event.message || event.error || '未知错误'
-                executionProgress.value.message = `执行错误: ${event.message}`
+                  console.error('执行错误:', errorMessage)
+
+                  // 关闭进度通知并显示错误通知
+                  if (currentProgressNotificationId.value) {
+                    removeNotification(currentProgressNotificationId.value)
+                    currentProgressNotificationId.value = null
+                  }
+
+                  error('执行错误', errorMessage, { duration: 5000 })
+
                   readySteps.forEach(step => {
                     const stepName = step.StepName || step.Id || ''
                     stepExecutionStatus.value[stepName] = StepExecutionStatus.FAILED
                   })
-                reject(new Error(event.message))
+                  reject(new Error(errorMessage))
                   break
               }
             },
-          // onError
+            // onError: 处理错误
-          (error: Error) => {
+            (err: Error) => {
-            console.error(' 流式执行错误:', error)
+              console.error('流式执行错误:', err)
-            executionProgress.value.message = `执行失败: ${error.message}`
+
+              // 关闭进度通知并显示错误通知
+              if (currentProgressNotificationId.value) {
+                removeNotification(currentProgressNotificationId.value)
+                currentProgressNotificationId.value = null
+              }
+
+              error('执行失败', err.message, { duration: 5000 })
+
               readySteps.forEach(step => {
                 const stepName = step.StepName || step.Id || ''
                 stepExecutionStatus.value[stepName] = StepExecutionStatus.FAILED
               })
-            reject(error)
+              reject(err)
             },
-          // onComplete
+            // onComplete: 完成回调
             () => {
-            resolve()
+              // 关闭进度通知
+              if (currentProgressNotificationId.value) {
+                removeNotification(currentProgressNotificationId.value)
+                currentProgressNotificationId.value = null
               }
+              resolve()
+            },
+            // useWebSocket: 使用WebSocket
+            true,
+            // existingKeyObjects: 已存在的KeyObjects
+            {},
+            // enableDynamic: 启用动态追加模式
+            true,
+            // onExecutionStarted: 接收执行ID
+            (executionId: string) => {
+              console.log('动态执行已启动，执行ID:', executionId)
+            },
+            // executionId: 前端生成的执行ID
+            currentExecutionId.value || undefined
           )
         })
 
-      //  批量执行成功后，递归执行下一批
+        // 不再递归调用，而是通过watch监听追加新步骤
-      await executeNextReadyBatch()
+      } catch (err) {
-    } catch (error) {
+        error('执行失败', '批量执行失败')
-      ElMessage.error('批量执行失败')
-      // 重置所有执行状态
         loading.value = false
         isPaused.value = false
         isStreaming.value = false
       }
     } else {
-    // No more ready steps
+      // 没有更多已就绪的步骤
       loading.value = false
-    // 重置暂停和流式状态
       isPaused.value = false
       isStreaming.value = false
 
-    // Check if there are still waiting steps
+      // 检查是否还有等待填充的步骤
       const hasWaitingSteps = steps.some(step => step && !isStepReady(step))
 
       if (hasWaitingSteps) {
         const waitingStepNames = steps
           .filter(step => step && !isStepReady(step))
           .map(step => step?.StepName || '未知')
-      executionProgress.value.message = `等待 ${waitingStepNames.length} 个步骤数据填充中...`
+        info('等待数据填充', `等待 ${waitingStepNames.length} 个步骤数据填充中...`)
-      ElMessage.info(`等待 ${waitingStepNames.length} 个步骤数据填充中...`)
       } else {
-      executionProgress.value.message = '所有步骤已完成'
+        success('执行完成', '所有步骤已完成')
-      ElMessage.success('所有步骤已完成')
       }
     }
+  } finally {
+    isExecutingNextBatch.value = false
+  }
+}
+
+/**
+ * 移除通知
+ */
+function removeNotification(id: string) {
+  const index = notifications.value.findIndex(n => n.id === id)
+  if (index !== -1) {
+    notifications.value.splice(index, 1)
+  }
 }
 
 // Pause/Resume handler
 async function handlePauseResume() {
   if (isPaused.value) {
     // Resume execution
+
+    // 检查是否需要重新执行（有步骤被修改）
+    if (reExecuteConfig.value.shouldReExecute) {
+      const startStepIndex = reExecuteConfig.value.startFromStepIndex
+      const startStep = collaborationProcess.value[startStepIndex]
+
+      try {
+        // 确认对话框
+        await ElMessageBox.confirm(
+          `检测到 ${reExecuteConfig.value.modifiedSteps.length} 个步骤已被修改\n` +
+            `将从步骤 "${startStep?.StepName}" 重新开始执行\n\n` +
+            `是否继续？`,
+          '检测到步骤修改',
+          {
+            confirmButtonText: '从修改步骤重新执行',
+            cancelButtonText: '取消',
+            type: 'warning'
+          }
+        )
+
+        // 清理执行结果
+        clearExecutionResultsAfter(startStepIndex)
+
+        // 重置暂停状态
+        isPaused.value = false
+        isPausing.value = false
+        isStreaming.value = false
+
+        // 从指定步骤重新执行
+        await reExecuteFromStep(startStepIndex)
+
+        // 重置修改标记
+        resetStepVersions()
+      } catch {
+        // 用户取消
+        info('已取消', '已取消重新执行')
+      }
+    } else {
+      // 没有修改，正常恢复执行
       try {
         if (websocket.connected) {
           await websocket.send('resume_execution', {
@@ -526,30 +927,40 @@ async function handlePauseResume() {
           })
           // 只有在收到成功响应后才更新状态
           isPaused.value = false
-        ElMessage.success('已恢复执行')
+          isPausing.value = false
+          success('已恢复', '已恢复执行')
         } else {
-        ElMessage.warning('WebSocket未连接，无法恢复执行')
+          warning('无法恢复', 'WebSocket未连接，无法恢复执行')
         }
       } catch (error) {
-      ElMessage.error('恢复执行失败')
+        error('恢复失败', '恢复执行失败')
         // 恢复失败时，保持原状态不变（仍然是暂停状态）
       }
+    }
   } else {
     // Pause execution
     try {
       if (websocket.connected) {
+        // 先设置 isPausing，允许接收当前正在执行的动作的结果
+        isPausing.value = true
+        info('暂停中', '正在等待当前动作完成...')
+
         await websocket.send('pause_execution', {
           goal: agentsStore.agentRawPlan.data?.['General Goal'] || ''
         })
-        // 只有在收到成功响应后才更新状态
+
+        // 收到成功响应后，设置完全暂停状态
         isPaused.value = true
-        ElMessage.success('已暂停执行，可稍后继续')
+        isPausing.value = false
+        success('已暂停', '已暂停执行，可稍后继续')
       } else {
-        ElMessage.warning('WebSocket未连接，无法暂停')
+        warning('无法暂停', 'WebSocket未连接，无法暂停')
+        isPausing.value = false
       }
     } catch (error) {
-      ElMessage.error('暂停执行失败')
+      error('暂停失败', '暂停执行失败')
-      // 暂停失败时，保持原状态不变（仍然是非暂停状态）
+      // 暂停失败时，重置状态
+      isPausing.value = false
     }
   }
 }
@@ -566,6 +977,35 @@ async function handleExecuteButtonClick() {
   await handleRun()
 }
 
+/**
+ * 从指定步骤重新执行（支持边填充边执行）
+ * @param fromStepIndex 起始步骤索引
+ */
+async function reExecuteFromStep(fromStepIndex: number) {
+  const steps = collaborationProcess.value
+
+  // 设置执行状态
+  loading.value = true
+  isStreaming.value = true
+
+  // 重置将要执行的步骤的状态
+  for (let i = fromStepIndex; i < steps.length; i++) {
+    const step = steps[i]
+    if (step) {
+      const stepName = step.StepName || step.Id || ''
+      stepExecutionStatus.value[stepName] = StepExecutionStatus.READY
+    }
+  }
+
+  // 使用批量执行模式，会自动处理依赖和边填充边执行
+  await executeNextReadyBatch()
+
+  success('重新执行完成', '所有步骤已重新执行完成')
+  loading.value = false
+  isPaused.value = false
+  isStreaming.value = false
+}
+
 async function handleRun() {
   // Check if there are ready steps
   const readySteps = stepsReadyStatus.value.ready
@@ -598,11 +1038,12 @@ async function handleRun() {
 
   // Start execution
   loading.value = true
-  currentExecutionIndex.value = 0
 
   // Clear previous execution results and status
   agentsStore.setExecutePlan([])
   stepExecutionStatus.value = {}
+  sentStepIds.value.clear()
+  currentExecutionId.value = null
 
   // Start batch executing first batch of ready steps
   await executeNextReadyBatch()
@@ -796,14 +1237,8 @@ defineExpose({
     id="task-results"
     :class="{ 'is-running': agentsStore.executePlan.length > 0 }"
   >
-    <!-- 执行进度提示 -->
+    <!-- Notification 通知系统 -->
-    <div v-if="loading" class="execution-progress-hint">
+    <Notification :notifications="notifications" @close="id => removeNotification(id)" />
-      <el-icon class="is-loading"><Loading /></el-icon>
-      <span>{{ executionProgress.message }}</span>
-      <span v-if="executionProgress.totalSteps > 0" class="progress">
-        {{ executionProgress.currentStep }}/{{ executionProgress.totalSteps }}
-      </span>
-    </div>
 
     <!--  标题与执行按钮 -->
     <div class="text-[18px] font-bold mb-[7px] flex justify-between items-center px-[20px]">
@@ -899,7 +1334,7 @@ defineExpose({
             </div>
           </template>
           <el-scrollbar height="calc(100vh - 120px)">
-            <el-empty v-if="!collaborationProcess.length" description="暂无任务流程" />
+            <el-empty v-if="!collaborationProcess.length" description="暂无任务过程" />
             <div v-else class="process-list">
               <!-- 使用ProcessCard组件显示每个AgentSelection -->
               <ProcessCard
@@ -954,10 +1389,14 @@ defineExpose({
                 @mouseenter="() => handleMouseEnter(`task-results-${item.Id}-0-${item1.ID}`)"
                 @mouseleave="handleMouseLeave"
               >
-                <!-- 执行中且没有结果时显示 loading 图标 -->
+                <!-- 执行中且没有结果时显示 loading 图标（暂停后不显示） -->
-                <template v-if="loading && !hasActionResult(item, item1.ID)" #icon>
+                <template v-if="loading && !hasActionResult(item, item1.ID) && !isPaused" #icon>
                   <SvgIcon icon-class="loading" size="20px" class="animate-spin" />
                 </template>
+                <!-- 暂停状态且没有结果时显示空白 -->
+                <template v-else-if="isPaused && !hasActionResult(item, item1.ID)" #icon>
+                  <span></span>
+                </template>
                 <!-- 没有执行计划时隐藏图标 -->
                 <template v-else-if="!agentsStore.executePlan.length" #icon>
                   <span></span>
@@ -1028,10 +1467,14 @@ defineExpose({
                 class="output-object"
                 :disabled="!hasObjectResult(item.OutputObject)"
               >
-                <!-- 执行中且没有结果时显示 loading 图标 -->
+                <!-- 执行中且没有结果时显示 loading 图标（暂停后不显示） -->
-                <template v-if="loading && !hasObjectResult(item.OutputObject)" #icon>
+                <template v-if="loading && !hasObjectResult(item.OutputObject) && !isPaused" #icon>
                   <SvgIcon icon-class="loading" size="20px" class="animate-spin" />
                 </template>
+                <!-- 暂停状态且没有结果时显示空白 -->
+                <template v-else-if="isPaused && !hasObjectResult(item.OutputObject)" #icon>
+                  <span></span>
+                </template>
                 <!-- 没有执行计划时隐藏图标 -->
                 <template v-else-if="!agentsStore.executePlan.length" #icon>
                   <span></span>
@@ -1064,48 +1507,6 @@ defineExpose({
 </template>
 
 <style scoped lang="scss">
-// 执行进度提示样式
-.execution-progress-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;
-  max-width: 400px;
-
-  .message {
-    flex: 1;
-    font-size: 14px;
-    color: var(--el-text-color-primary);
-  }
-
-  .progress {
-    color: var(--el-color-primary);
-    font-weight: bold;
-    margin-left: 4px;
-    font-size: 14px;
-  }
-}
-
-@keyframes slideInRight {
-  from {
-    opacity: 0;
-    transform: translateX(20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateX(0);
-  }
-}
-
 #task-results.is-running {
   --color-bg-detail-list: var(--color-bg-detail-list-run); // 直接指向 100 % 版本
 }

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,
   }
 })