diff --git a/backend-fastapi/ai_platform/services/agent_service.py b/backend-fastapi/ai_platform/services/agent_service.py
index 46e1562..47249b4 100644
--- a/backend-fastapi/ai_platform/services/agent_service.py
+++ b/backend-fastapi/ai_platform/services/agent_service.py
@@ -26,6 +26,26 @@ class AgentService:
     def __init__(self, db: Optional[AsyncSession] = None):
         self._db = db
         self.llm_service = LLMService(db)
+
+    def _agent_collaboration_metadata(self, agent: Agent) -> Dict[str, Any]:
+        metadata = {
+            "agent_id": str(agent.id),
+            "agent_code": agent.code,
+            "agent_name": agent.name,
+            "collaboration_role": agent.name or agent.code,
+            "collaboration_mode": agent.mode,
+        }
+        if agent.model_id:
+            metadata["model_id"] = str(agent.model_id)
+        return {key: value for key, value in metadata.items() if value}
+
+    def _attach_agent_collaboration(self, event: Dict[str, Any], agent: Agent) -> Dict[str, Any]:
+        enriched = dict(event)
+        collaboration = dict(enriched.get("collaboration") or {})
+        for key, value in self._agent_collaboration_metadata(agent).items():
+            collaboration.setdefault(key, value)
+        enriched["collaboration"] = collaboration
+        return enriched
     
     async def chat(
         self,
@@ -52,12 +72,15 @@ class AgentService:
         """
         if agent.mode == 'autonomous':
             async for event in self._chat_autonomous(agent, conversation, user_message, attachments):
-                yield event
+                yield self._attach_agent_collaboration(event, agent)
         elif agent.mode == 'dialog_flow':
             async for event in self._chat_dialog_flow(agent, conversation, user_message, application_id, form_code, attachments):
-                yield event
+                yield self._attach_agent_collaboration(event, agent)
         else:
-            yield {'type': 'error', 'content': f'不支持的模式: {agent.mode}'}
+            yield self._attach_agent_collaboration(
+                {'type': 'error', 'content': f'不支持的模式: {agent.mode}'},
+                agent,
+            )
     
     async def _chat_autonomous(
         self,
diff --git a/backend-fastapi/ai_platform/services/workflow_service.py b/backend-fastapi/ai_platform/services/workflow_service.py
index f37694e..c6ee7f3 100644
--- a/backend-fastapi/ai_platform/services/workflow_service.py
+++ b/backend-fastapi/ai_platform/services/workflow_service.py
@@ -50,16 +50,63 @@ def _node_label_from_map(node_map: Dict[str, Any], node_id: str) -> str:
     return data.get('label') or node.get('label') or node_id
 
 
+def _node_collaboration_metadata(node_map: Dict[str, Any], node_id: str, node_type: str) -> dict:
+    node = node_map.get(node_id) or {}
+    data = node.get('data') or {}
+    metadata: Dict[str, Any] = {}
+
+    agent_code = (data.get('agent_code') or '').strip()
+    if agent_code:
+        metadata['agent_code'] = agent_code
+    if data.get('agent_name'):
+        metadata['agent_name'] = data.get('agent_name')
+
+    model_id = data.get('model_id')
+    if model_id:
+        metadata['model_id'] = str(model_id)
+
+    if data.get('subflow_name'):
+        metadata['subflow_name'] = data.get('subflow_name')
+    if data.get('show_subflow_messages') is not None:
+        metadata['show_subflow_messages'] = data.get('show_subflow_messages')
+    if data.get('forward_interactive') is not None:
+        metadata['forward_interactive'] = data.get('forward_interactive')
+
+    branches = data.get('branches') or []
+    if node_type == 'parallel' and branches:
+        metadata['branches'] = [
+            {
+                'id': branch.get('id'),
+                'name': branch.get('name') or branch.get('id'),
+            }
+            for branch in branches
+            if branch.get('id')
+        ]
+
+    if node_type in ('template', 'llm') and agent_code:
+        metadata['collaboration_role'] = data.get('label') or node_id
+
+    if node_type == 'subflow':
+        metadata['collaboration_role'] = data.get('label') or node_id
+
+    return metadata
+
+
 def _make_execution_log_entry(
     node_map: Dict[str, Any],
     node_id: str,
     node_type: str,
     **extra: Any,
 ) -> dict:
+    metadata = dict(extra.pop('metadata', {}) or {})
+    collaboration = _node_collaboration_metadata(node_map, node_id, node_type)
+    if collaboration:
+        metadata['collaboration'] = collaboration
     return {
         'node_id': node_id,
         'node_type': node_type,
         'node_label': _node_label_from_map(node_map, node_id),
+        'metadata': metadata,
         **extra,
     }
 
@@ -68,6 +115,55 @@ def _node_result_metadata(result: NodeResult) -> dict:
     return dict(result.metadata or {})
 
 
+def _event_collaboration_metadata(
+    node_map: Dict[str, Any],
+    node_id: str,
+    node_type: str,
+    result: Optional[NodeResult] = None,
+) -> dict:
+    metadata = _node_collaboration_metadata(node_map, node_id, node_type)
+    if not result:
+        return metadata
+
+    result_metadata = result.metadata or {}
+    for key in (
+        'agent_code',
+        'agent_name',
+        'model',
+        'model_id',
+        'output_variable',
+        'subflow_name',
+    ):
+        value = result_metadata.get(key)
+        if value is not None and value != '':
+            metadata[key] = value
+    return metadata
+
+
+def _parallel_branch_labels(node_map: Dict[str, Any], parallel_node_id: str) -> Dict[str, str]:
+    node = node_map.get(parallel_node_id) or {}
+    branches = (node.get('data') or {}).get('branches') or []
+    labels: Dict[str, str] = {}
+    for branch in branches:
+        branch_id = branch.get('id')
+        if branch_id:
+            labels[branch_id] = branch.get('name') or branch_id
+    return labels
+
+
+def _merge_event_collaboration(
+    event: Dict[str, Any],
+    node_map: Dict[str, Any],
+    node_id: str,
+    node_type: str,
+    result: Optional[NodeResult] = None,
+) -> Dict[str, Any]:
+    collaboration = _event_collaboration_metadata(node_map, node_id, node_type, result)
+    if collaboration:
+        event['collaboration'] = collaboration
+    return event
+
+
 def _snapshot_node_inputs(context: NodeContext) -> dict:
     return {
         'variables': dict(context.variables),
@@ -691,6 +787,7 @@ class AIWorkflowService:
         all_logs = []
         total_tokens = 0
         total_steps = 0
+        branch_labels = _parallel_branch_labels(node_map, parallel_node_id)
         
         async def execute_branch(branch_id: str, branch_start_id: str, branch_context: NodeContext) -> Dict:
             """执行单个分支（异步）"""
@@ -723,17 +820,19 @@ class AIWorkflowService:
                 result = await node_instance.execute_async(branch_context)
                 elapsed = int((time.time() - start_time) * 1000)
                 
-                branch_logs.append({
-                    'node_id': current_id,
-                    'node_type': node_type,
-                    'status': 'completed' if result.success else 'failed',
-                    'output': result.output,
-                    'error': result.error,
-                    'elapsed_time': elapsed,
-                    'tokens_used': result.tokens_used,
-                    'metadata': _node_result_metadata(result),
-                    'branch': branch_start_id,
-                })
+                branch_logs.append(_make_execution_log_entry(
+                    node_map,
+                    current_id,
+                    node_type,
+                    status='completed' if result.success else 'failed',
+                    output=result.output,
+                    error=result.error,
+                    elapsed_time=elapsed,
+                    tokens_used=result.tokens_used,
+                    metadata=_node_result_metadata(result),
+                    branch=branch_id,
+                    branch_label=branch_labels.get(branch_id, branch_id),
+                ))
                 
                 branch_tokens += result.tokens_used
                 branch_steps += 1
@@ -881,6 +980,7 @@ class AIWorkflowService:
         all_logs = []
         total_tokens = 0
         total_steps = 0
+        branch_labels = _parallel_branch_labels(node_map, parallel_node_id)
         
         target_to_branch = {v: k for k, v in branch_mapping.items()}
         
@@ -921,45 +1021,49 @@ class AIWorkflowService:
                     continue
                 
                 # 发送节点开始事件
-                yield {
+                yield _merge_event_collaboration({
                     'type': 'node_start',
                     'node_id': current_id,
                     'node_type': node_type,
                     'node_label': node_label,
                     'branch_id': branch_id,
+                    'branch_label': branch_labels.get(branch_id, branch_id),
                     'timestamp': datetime.now().isoformat(),
                     'inputs': {
                         'variables': dict(branch_context.variables),
                         'previous_output': branch_context.previous_output,
                     },
-                }
+                }, node_map, current_id, node_type)
                 
                 # 执行节点（异步）
                 start_time = time.time()
                 result = await node_instance.execute_async(branch_context)
                 elapsed = int((time.time() - start_time) * 1000)
                 
-                branch_logs.append({
-                    'node_id': current_id,
-                    'node_type': node_type,
-                    'status': 'completed' if result.success else 'failed',
-                    'output': result.output,
-                    'error': result.error,
-                    'elapsed_time': elapsed,
-                    'tokens_used': result.tokens_used,
-                    'metadata': _node_result_metadata(result),
-                    'branch': branch_id,
-                })
+                branch_logs.append(_make_execution_log_entry(
+                    node_map,
+                    current_id,
+                    node_type,
+                    status='completed' if result.success else 'failed',
+                    output=result.output,
+                    error=result.error,
+                    elapsed_time=elapsed,
+                    tokens_used=result.tokens_used,
+                    metadata=_node_result_metadata(result),
+                    branch=branch_id,
+                    branch_label=branch_labels.get(branch_id, branch_id),
+                ))
                 
                 branch_tokens += result.tokens_used
                 branch_steps += 1
                 
                 # 发送节点完成事件
-                yield _apply_node_result_warnings({
+                yield _merge_event_collaboration(_apply_node_result_warnings({
                     'type': 'node_complete',
                     'node_id': current_id,
                     'node_type': node_type,
                     'branch_id': branch_id,
+                    'branch_label': branch_labels.get(branch_id, branch_id),
                     'status': 'success' if result.success else 'failed',
                     'elapsed_time': elapsed,
                     'tokens_used': result.tokens_used,
@@ -968,7 +1072,7 @@ class AIWorkflowService:
                         'output': result.output,
                         'output_variables': result.metadata.get('frontend_output_variables', result.output_variables),
                     },
-                }, result)
+                }, result), node_map, current_id, node_type, result)
                 
                 if not result.success:
                     break
@@ -1205,7 +1309,7 @@ class AIWorkflowService:
                     continue
                 
                 # 发送节点开始事件
-                yield {
+                yield _merge_event_collaboration({
                     'type': 'node_start',
                     'node_id': current_id,
                     'node_type': node_type,
@@ -1219,7 +1323,7 @@ class AIWorkflowService:
                             '_loop_total': context.get_variable('_loop_total'),
                         }
                     },
-                }
+                }, node_map, current_id, node_type)
                 
                 # 执行节点（异步）
                 start_time = time.time()
@@ -1228,23 +1332,24 @@ class AIWorkflowService:
                 elapsed = int((time.time() - start_time) * 1000)
                 logger.info(f'[Loop] Child node result: success={result.success}, output={result.output}, error={result.error}')
                 
-                iteration_logs.append({
-                    'node_id': current_id,
-                    'node_type': node_type,
-                    'status': 'completed' if result.success else 'failed',
-                    'output': result.output,
-                    'error': result.error,
-                    'elapsed_time': elapsed,
-                    'tokens_used': result.tokens_used,
-                    'metadata': _node_result_metadata(result),
-                    'loop_iteration': iteration,
-                })
+                iteration_logs.append(_make_execution_log_entry(
+                    node_map,
+                    current_id,
+                    node_type,
+                    status='completed' if result.success else 'failed',
+                    output=result.output,
+                    error=result.error,
+                    elapsed_time=elapsed,
+                    tokens_used=result.tokens_used,
+                    metadata=_node_result_metadata(result),
+                    loop_iteration=iteration,
+                ))
                 
                 iteration_tokens += result.tokens_used
                 iteration_steps += 1
                 
                 # 发送节点执行完成事件
-                yield _apply_node_result_warnings({
+                yield _merge_event_collaboration(_apply_node_result_warnings({
                     'type': 'node_complete',
                     'node_id': current_id,
                     'node_type': node_type,
@@ -1265,7 +1370,7 @@ class AIWorkflowService:
                             '_loop_total': context.get_variable('_loop_total'),
                         }
                     },
-                }, result)
+                }, result), node_map, current_id, node_type, result)
                 
                 # 发送节点产生的事件（如消息事件）
                 if result.events:
@@ -1280,13 +1385,14 @@ class AIWorkflowService:
                 # 检查是否需要等待用户输入（设计预览节点等）
                 if result.waiting_for_input:
                     # 记录日志
-                    iteration_logs.append({
-                        'node_id': current_id,
-                        'node_type': node_type,
-                        'status': 'waiting',
-                        'elapsed_time': elapsed,
-                        'loop_iteration': iteration,
-                    })
+                    iteration_logs.append(_make_execution_log_entry(
+                        node_map,
+                        current_id,
+                        node_type,
+                        status='waiting',
+                        elapsed_time=elapsed,
+                        loop_iteration=iteration,
+                    ))
                     
                     # 更新运行记录为等待状态
                     run.status = 'waiting'
@@ -1304,13 +1410,13 @@ class AIWorkflowService:
                         await self._db.commit()
                     
                     # 发送等待事件
-                    yield {
+                    yield _merge_event_collaboration({
                         'type': 'waiting_input',
                         'node_id': current_id,
                         'node_type': node_type,
                         'config': result.waiting_config,
                         'loop_iteration': iteration,
-                    }
+                    }, node_map, current_id, node_type, result)
                     # 暂停循环执行，等待用户输入
                     return
                 
@@ -1574,14 +1680,14 @@ class AIWorkflowService:
             }
             
             # 发送节点开始事件（包含时间戳和输入数据）
-            yield {
+            yield _merge_event_collaboration({
                 'type': 'node_start',
                 'node_id': current_node_id,
                 'node_type': node_type,
                 'node_label': node_label,
                 'timestamp': datetime.now().isoformat(),
                 'inputs': node_inputs,
-            }
+            }, node_map, current_node_id, node_type)
             
             # 结束节点
             if node_type == 'end':
@@ -1597,14 +1703,14 @@ class AIWorkflowService:
                         metadata=_node_result_metadata(result),
                         inputs=copy.deepcopy(node_inputs),
                     ))
-                    yield {
+                    yield _merge_event_collaboration({
                         'type': 'node_complete',
                         'node_id': current_node_id,
                         'node_type': node_type,
                         'status': 'success',
                         'elapsed_time': 0,
                         'tokens_used': 0,
-                    }
+                    }, node_map, current_node_id, node_type, result)
                     
                     # 保存结束节点输出和上下文变量到运行记录
                     run.execution_log = logs.copy()
@@ -1659,12 +1765,12 @@ class AIWorkflowService:
                         )
                         # 发送 LLM 流式内容事件
                         if chunk_event.content:
-                            yield {
+                            yield _merge_event_collaboration({
                                 'type': 'llm_chunk',
                                 'node_id': current_node_id,
                                 'content': chunk_event.content,
                                 'accumulated_content': chunk_event.accumulated_content,
-                            }
+                            }, node_map, current_node_id, node_type)
                 except StopIteration as e:
                     # 生成器结束，获取返回值（NodeResult）
                     result = e.value
@@ -1682,18 +1788,22 @@ class AIWorkflowService:
                 for event in result.events:
                     if event.get('type') == 'message':
                         # 消息事件直接发送为 answer 类型
-                        yield {
+                        answer_event = _merge_event_collaboration({
                             'type': 'answer',
                             'node_id': current_node_id,
                             'content': event.get('content', ''),
-                        }
+                        }, node_map, current_node_id, node_type, result)
+                        if event.get('from_subflow'):
+                            answer_event['from_subflow'] = True
+                            answer_event['subflow_name'] = event.get('subflow_name')
+                        yield answer_event
                     else:
                         # 其他事件保持 node_event 格式
-                        yield {
+                        yield _merge_event_collaboration({
                             'type': 'node_event',
                             'node_id': current_node_id,
                             'event': event,
-                        }
+                        }, node_map, current_node_id, node_type, result)
             
             # 检查是否需要等待用户输入（对话流节点）
             if result.waiting_for_input:
@@ -1723,12 +1833,12 @@ class AIWorkflowService:
                 # 注意：save由调用方处理
                 
                 # 发送等待输入事件
-                yield {
+                yield _merge_event_collaboration({
                     'type': 'waiting_input',
                     'node_id': current_node_id,
                     'node_type': node_type,
                     'config': result.waiting_config,
-                }
+                }, node_map, current_node_id, node_type, result)
                 
                 # 暂停工作流执行，等待用户输入后续流
                 return
@@ -1760,7 +1870,7 @@ class AIWorkflowService:
             # 注意：save由调用方处理
             
             # 发送节点完成事件（包含输出数据）
-            yield _apply_node_result_warnings({
+            yield _merge_event_collaboration(_apply_node_result_warnings({
                 'type': 'node_complete',
                 'node_id': current_node_id,
                 'node_type': node_type,
@@ -1772,7 +1882,7 @@ class AIWorkflowService:
                     'output': result.output,
                     'output_variables': result.metadata.get('frontend_output_variables', result.output_variables),
                 },
-            }, result)
+            }, result), node_map, current_node_id, node_type, result)
             
             if not result.success:
                 raise ValueError(f'节点执行失败: {result.error}')
@@ -1791,11 +1901,15 @@ class AIWorkflowService:
             if node_type == 'parallel':
                 # 并行节点：执行所有分支（流式）
                 branch_ids = list(parallel_edge_map.get(current_node_id, {}).keys()) or edge_map.get(current_node_id, [])
-                yield {
+                branch_labels = _parallel_branch_labels(node_map, current_node_id)
+                yield _merge_event_collaboration({
                     'type': 'parallel_start',
                     'node_id': current_node_id,
                     'branches': branch_ids,
-                }
+                    'branch_count': len(branch_ids),
+                    'branch_labels': branch_labels,
+                    'collaboration_mode': 'parallel',
+                }, node_map, current_node_id, node_type)
                 
                 # 使用流式版本的并行分支执行（异步）
                 async for event in self._execute_parallel_branches_stream(
@@ -1809,12 +1923,15 @@ class AIWorkflowService:
                         total_steps += parallel_results['total_steps']
                         logs.extend(parallel_results['logs'])
                         
-                        yield {
+                        yield _merge_event_collaboration({
                             'type': 'parallel_complete',
                             'node_id': current_node_id,
                             'branch_results': parallel_results['results'],
                             'total_tokens': parallel_results['total_tokens'],
-                        }
+                            'branch_count': len(parallel_results['results']),
+                            'branch_labels': branch_labels,
+                            'collaboration_mode': 'parallel',
+                        }, node_map, current_node_id, node_type)
                         
                         # 找到合并节点继续执行
                         current_node_id = parallel_results.get('merge_node_id')
@@ -2126,14 +2243,14 @@ class AIWorkflowService:
             }
             
             # 发送节点开始事件
-            node_start_event = {
+            node_start_event = _merge_event_collaboration({
                 'type': 'node_start',
                 'node_id': current_node_id,
                 'node_type': node_type,
                 'node_label': node_label,
                 'timestamp': datetime.now().isoformat(),
                 'inputs': node_inputs,
-            }
+            }, node_map, current_node_id, node_type)
             # 如果在循环中，添加迭代信息
             if loop_state:
                 node_start_event['loop_iteration'] = loop_state.get('iteration', 0)
@@ -2152,14 +2269,14 @@ class AIWorkflowService:
                         output=result.output,
                         inputs=copy.deepcopy(node_inputs),
                     ))
-                    yield {
+                    yield _merge_event_collaboration({
                         'type': 'node_complete',
                         'node_id': current_node_id,
                         'node_type': node_type,
                         'status': 'success',
                         'elapsed_time': 0,
                         'outputs': {'output': result.output},
-                    }
+                    }, node_map, current_node_id, node_type, result)
                     
                     # 更新运行记录，保存结束节点的输出
                     run.status = 'completed'
@@ -2191,29 +2308,34 @@ class AIWorkflowService:
                 for event in result.events:
                     if event.get('type') == 'message':
                         # 消息事件直接发送为 answer 类型
-                        yield {
+                        answer_event = _merge_event_collaboration({
                             'type': 'answer',
                             'node_id': current_node_id,
                             'content': event.get('content', ''),
-                        }
+                        }, node_map, current_node_id, node_type, result)
+                        if event.get('from_subflow'):
+                            answer_event['from_subflow'] = True
+                            answer_event['subflow_name'] = event.get('subflow_name')
+                        yield answer_event
                     else:
                         # 其他事件保持 node_event 格式
-                        yield {
+                        yield _merge_event_collaboration({
                             'type': 'node_event',
                             'node_id': current_node_id,
                             'event': event,
-                        }
+                        }, node_map, current_node_id, node_type, result)
             
             # 检查是否需要等待用户输入
             if result.waiting_for_input:
-                log_entry = {
-                    'node_id': current_node_id,
-                    'node_type': node_type,
-                    'status': 'waiting',
-                    'output': result.output,
-                    'elapsed_time': elapsed,
-                    'metadata': _node_result_metadata(result),
-                }
+                log_entry = _make_execution_log_entry(
+                    node_map,
+                    current_node_id,
+                    node_type,
+                    status='waiting',
+                    output=result.output,
+                    elapsed_time=elapsed,
+                    metadata=_node_result_metadata(result),
+                )
                 logs.append(log_entry)
                 
                 run.status = 'waiting'
@@ -2226,12 +2348,12 @@ class AIWorkflowService:
                     run.waiting_config['_loop_state'] = loop_state
                 # 注意：save由调用方处理
                 
-                waiting_event = {
+                waiting_event = _merge_event_collaboration({
                     'type': 'waiting_input',
                     'node_id': current_node_id,
                     'node_type': node_type,
                     'config': result.waiting_config,
-                }
+                }, node_map, current_node_id, node_type, result)
                 # 如果在循环中，添加迭代信息
                 if loop_state:
                     waiting_event['loop_iteration'] = loop_state.get('iteration', 0)
@@ -2239,16 +2361,17 @@ class AIWorkflowService:
                 return
             
             # 记录日志
-            log_entry = {
-                'node_id': current_node_id,
-                'node_type': node_type,
-                'status': 'completed' if result.success else 'failed',
-                'output': result.output,
-                'error': result.error,
-                'elapsed_time': elapsed,
-                'tokens_used': result.tokens_used,
-                'metadata': _node_result_metadata(result),
-            }
+            log_entry = _make_execution_log_entry(
+                node_map,
+                current_node_id,
+                node_type,
+                status='completed' if result.success else 'failed',
+                output=result.output,
+                error=result.error,
+                elapsed_time=elapsed,
+                tokens_used=result.tokens_used,
+                metadata=_node_result_metadata(result),
+            )
             logs.append(log_entry)
             
             total_tokens += result.tokens_used
@@ -2266,7 +2389,7 @@ class AIWorkflowService:
             # 注意：save由调用方处理
             
             # 发送节点完成事件
-            node_complete_event = _apply_node_result_warnings({
+            node_complete_event = _merge_event_collaboration(_apply_node_result_warnings({
                 'type': 'node_complete',
                 'node_id': current_node_id,
                 'node_type': node_type,
@@ -2278,7 +2401,7 @@ class AIWorkflowService:
                     'output': result.output,
                     'output_variables': result.metadata.get('frontend_output_variables', result.output_variables),
                 },
-            }, result)
+            }, result), node_map, current_node_id, node_type, result)
             # 如果在循环中，添加迭代信息
             if loop_state:
                 node_complete_event['loop_iteration'] = loop_state.get('iteration', 0)
diff --git a/web/apps/web-ele/src/components/ChatBox/MessageBubble.vue b/web/apps/web-ele/src/components/ChatBox/MessageBubble.vue
index 947dd66..3945a7b 100644
--- a/web/apps/web-ele/src/components/ChatBox/MessageBubble.vue
+++ b/web/apps/web-ele/src/components/ChatBox/MessageBubble.vue
@@ -192,6 +192,39 @@ const getStepColor = (step: ReasoningStep) => {
   return colors[step.type] || 'text-gray-500';
 };
 
+const getStepMetaItems = (step: ReasoningStep) => {
+  const items: string[] = [];
+  if (step.agent_name || step.agent_code) {
+    items.push(`智能体: ${step.agent_name || step.agent_code}`);
+  }
+  if (step.branch_label || step.branch_id) {
+    items.push(`分支: ${step.branch_label || step.branch_id}`);
+  }
+  if (step.subflow_name) {
+    items.push(`子流程: ${step.subflow_name}`);
+  }
+  if (step.model || step.model_id) {
+    items.push(`模型: ${step.model || step.model_id}`);
+  }
+  return items;
+};
+
+const messageMetaItems = computed(() => {
+  if (isUser.value) return [];
+
+  const items: string[] = [];
+  if (props.message.agent_name || props.message.agent_code) {
+    items.push(`智能体: ${props.message.agent_name || props.message.agent_code}`);
+  }
+  if (props.message.model_name || props.message.model_id) {
+    items.push(`模型: ${props.message.model_name || props.message.model_id}`);
+  }
+  if (props.message.collaboration_mode) {
+    items.push(`模式: ${props.message.collaboration_mode}`);
+  }
+  return items;
+});
+
 // 格式化文件大小
 const formatFileSize = (bytes?: number) => {
   if (!bytes) return '';
@@ -293,6 +326,16 @@ const formatVoiceDuration = (seconds: number) => {
       </div>
 
       <!-- 消息气泡 -->
+      <div v-if="messageMetaItems.length" class="chat-message-meta">
+        <span
+          v-for="item in messageMetaItems"
+          :key="item"
+          class="chat-message-meta-item"
+        >
+          {{ item }}
+        </span>
+      </div>
+
       <div class="chat-bubble" :class="{ 'is-error': isFailed }">
         <!-- 执行步骤（执行中展开显示，完成后折叠） -->
         <div v-if="message.reasoning_steps?.length" class="bubble-steps">
@@ -320,6 +363,15 @@ const formatVoiceDuration = (seconds: number) => {
               <span class="step-text" :title="step.content">
                 {{ step.content }}
               </span>
+              <div v-if="getStepMetaItems(step).length" class="step-meta">
+                <span
+                  v-for="item in getStepMetaItems(step)"
+                  :key="item"
+                  class="step-meta-item"
+                >
+                  {{ item }}
+                </span>
+              </div>
             </div>
           </div>
         </div>
@@ -608,6 +660,27 @@ const formatVoiceDuration = (seconds: number) => {
 }
 
 /* 推理步骤 */
+.chat-message-meta {
+  display: flex;
+  min-width: 0;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+
+.chat-message-meta-item {
+  max-width: 100%;
+  overflow: hidden;
+  border: 1px solid var(--el-border-color-lighter);
+  border-radius: 4px;
+  padding: 1px 5px;
+  background: var(--el-fill-color-blank);
+  color: var(--el-text-color-secondary);
+  font-size: 12px;
+  line-height: 18px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .chat-reasoning {
   width: 100%;
   margin-bottom: 8px;
@@ -1257,9 +1330,11 @@ const formatVoiceDuration = (seconds: number) => {
 }
 
 .bubble-step {
-  display: flex;
+  display: grid;
+  grid-template-columns: auto minmax(0, 1fr);
   align-items: center;
-  gap: 8px;
+  column-gap: 8px;
+  row-gap: 4px;
   padding: 3px 0;
   font-size: 12px;
   color: var(--el-text-color-secondary);
@@ -1285,4 +1360,24 @@ const formatVoiceDuration = (seconds: number) => {
   text-overflow: ellipsis;
   white-space: nowrap;
 }
+
+.step-meta {
+  grid-column: 2;
+  display: flex;
+  min-width: 0;
+  flex-wrap: wrap;
+  gap: 4px;
+}
+
+.step-meta-item {
+  max-width: 100%;
+  overflow: hidden;
+  border: 1px solid var(--el-border-color-lighter);
+  border-radius: 4px;
+  padding: 1px 5px;
+  background: var(--el-fill-color-blank);
+  color: var(--el-text-color-secondary);
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
 </style>
diff --git a/web/apps/web-ele/src/components/ChatBox/types.ts b/web/apps/web-ele/src/components/ChatBox/types.ts
index f462b5a..c199d64 100644
--- a/web/apps/web-ele/src/components/ChatBox/types.ts
+++ b/web/apps/web-ele/src/components/ChatBox/types.ts
@@ -62,6 +62,16 @@ export interface ReasoningStep {
   result?: any;
   node_id?: string;
   node_type?: string;
+  branch_id?: string;
+  branch_label?: string;
+  agent_code?: string;
+  agent_name?: string;
+  model?: string;
+  model_id?: string;
+  subflow_name?: string;
+  from_subflow?: boolean;
+  collaboration_role?: string;
+  collaboration_mode?: string;
   output?: any;
   /** 步骤状态：running 执行中，completed 已完成 */
   status?: 'completed' | 'running';
@@ -137,6 +147,10 @@ export interface ChatMessage {
   error_message?: string;
   feedback?: 'dislike' | 'like' | null;
   model_name?: string;
+  agent_code?: string;
+  agent_name?: string;
+  collaboration_mode?: string;
+  model_id?: string;
   /** 语音消息 */
   voice?: VoiceMessage;
   /** 对话流交互配置（等待用户输入时） */
diff --git a/web/apps/web-ele/src/components/ai-chat-panel/composables/useEventHandler.ts b/web/apps/web-ele/src/components/ai-chat-panel/composables/useEventHandler.ts
index fb9b08c..a54f292 100644
--- a/web/apps/web-ele/src/components/ai-chat-panel/composables/useEventHandler.ts
+++ b/web/apps/web-ele/src/components/ai-chat-panel/composables/useEventHandler.ts
@@ -170,6 +170,48 @@ export function useEventHandler(config: EventHandlerConfig) {
     return 0;
   };
 
+  const buildReasoningMeta = (event: StreamEvent): Partial<ReasoningStep> => {
+    const collaboration = event.collaboration || {};
+    return {
+      branch_id: event.branch_id,
+      branch_label: event.branch_label,
+      agent_code: collaboration.agent_code || event.agent_code,
+      agent_name: collaboration.agent_name || event.agent_name,
+      model: collaboration.model || event.model,
+      model_id: collaboration.model_id || event.model_id,
+      subflow_name:
+        event.subflow_name || collaboration.subflow_name || event.event?.subflow_name,
+      from_subflow: Boolean(
+        event.from_subflow || collaboration.from_subflow || event.event?.from_subflow,
+      ),
+      collaboration_role:
+        collaboration.collaboration_role || collaboration.role || event.collaboration_role,
+      collaboration_mode: event.collaboration_mode || collaboration.collaboration_mode,
+    };
+  };
+
+  const buildMessageMeta = (event: StreamEvent): Partial<ChatMessage> => {
+    const collaboration = event.collaboration || {};
+    const modelName =
+      event.model ||
+      event.model_name ||
+      collaboration.model ||
+      collaboration.model_id;
+    return {
+      ...(modelName ? { model_name: modelName } : {}),
+      ...(collaboration.model_id ? { model_id: collaboration.model_id } : {}),
+      ...(collaboration.agent_code
+        ? { agent_code: collaboration.agent_code }
+        : {}),
+      ...(collaboration.agent_name
+        ? { agent_name: collaboration.agent_name }
+        : {}),
+      ...(collaboration.collaboration_mode
+        ? { collaboration_mode: collaboration.collaboration_mode }
+        : {}),
+    };
+  };
+
   /** 处理流式事件 */
   const handleStreamEvent = (event: StreamEvent, msgId: string) => {
     switch (event.type) {
@@ -194,6 +236,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           updateAssistantMessage(msgId, {
             status: 'completed',
             content: event.content || '',
+            ...buildMessageMeta(event),
           });
         } else {
           const answerMsg: ChatMessage = {
@@ -202,6 +245,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             content: event.content || '',
             timestamp: new Date(),
             status: 'completed',
+            ...buildMessageMeta(event),
           };
           messages.value.push(answerMsg);
         }
@@ -228,6 +272,7 @@ export function useEventHandler(config: EventHandlerConfig) {
               content: endOutput,
               elapsed_time: event.elapsed_time,
               tokens_used: event.tokens_used || event.total_tokens,
+              ...buildMessageMeta(event),
             });
           } else {
             const endMsg: ChatMessage = {
@@ -238,6 +283,7 @@ export function useEventHandler(config: EventHandlerConfig) {
               status: 'completed',
               elapsed_time: event.elapsed_time,
               tokens_used: event.tokens_used || event.total_tokens,
+              ...buildMessageMeta(event),
             };
             messages.value.push(endMsg);
           }
@@ -259,6 +305,7 @@ export function useEventHandler(config: EventHandlerConfig) {
               elapsed_time: event.elapsed_time,
               tokens_used: event.tokens_used || event.total_tokens,
               content: '工作流执行完成',
+              ...buildMessageMeta(event),
             });
           }
         } else if (initialMsg) {
@@ -267,6 +314,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             status: 'completed',
             elapsed_time: event.elapsed_time,
             tokens_used: event.tokens_used || event.total_tokens,
+            ...buildMessageMeta(event),
           });
         }
 
@@ -283,6 +331,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: event.message || event.content || '执行失败',
           node_id: event.node_id,
           node_type: event.node_type,
+          ...buildReasoningMeta(event),
           status: 'completed',
           timestamp: new Date().toISOString(),
         });
@@ -302,6 +351,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           updateAssistantMessage(msgId, {
             content: event.accumulated_content || event.content || '',
             status: 'streaming',
+            ...buildMessageMeta(event),
           });
         } else {
           // 如果消息不存在，创建新消息
@@ -311,6 +361,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             content: event.accumulated_content || event.content || '',
             timestamp: new Date(),
             status: 'streaming',
+            ...buildMessageMeta(event),
           };
           messages.value.push(streamMsg);
         }
@@ -342,6 +393,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: '循环执行完成',
           node_id: loopEvent.node_id,
           node_type: 'loop',
+          ...buildReasoningMeta(event),
           output: outputs,
           status: 'completed',
           timestamp: new Date().toISOString(),
@@ -369,6 +421,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: `循环第 ${event.iteration || '-'} 次完成`,
           node_id: event.node_id,
           node_type: 'loop',
+          ...buildReasoningMeta(event),
           output: event.output,
           status: 'completed',
           timestamp: new Date().toISOString(),
@@ -395,6 +448,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: `循环第 ${event.iteration || '-'} 次失败：${event.error || '执行失败'}`,
           node_id: event.node_id,
           node_type: 'loop',
+          ...buildReasoningMeta(event),
           status: 'completed',
           timestamp: new Date().toISOString(),
         });
@@ -420,6 +474,7 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: `循环第 ${event.iteration || '-'} 次开始`,
           node_id: event.node_id,
           node_type: 'loop',
+          ...buildReasoningMeta(event),
           params: { item: event.item, total: event.total },
           status: 'running',
           timestamp: new Date().toISOString(),
@@ -455,6 +510,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             content: completeLabel,
             node_id: event.node_id,
             node_type: event.node_type,
+            ...buildReasoningMeta(event),
             output: event.outputs,
             status: 'completed',
             timestamp: new Date().toISOString(),
@@ -464,6 +520,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             ...currentSteps.value[existingIndex]!,
             type: 'node_complete',
             content: completeLabel,
+            ...buildReasoningMeta(event),
             output: event.outputs,
             status: 'completed',
           };
@@ -501,6 +558,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             content,
             node_id: event.node_id,
             node_type: 'parallel',
+            ...buildReasoningMeta(event),
             output: {
               branch_results: branchResults,
               total_tokens: event.total_tokens,
@@ -513,6 +571,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             ...currentSteps.value[existingIndex]!,
             type: 'parallel_complete',
             content,
+            ...buildReasoningMeta(event),
             output: {
               branch_results: branchResults,
               total_tokens: event.total_tokens,
@@ -533,7 +592,8 @@ export function useEventHandler(config: EventHandlerConfig) {
           content: `并行分支开始：${getItemCount(branches)} 个分支`,
           node_id: event.node_id,
           node_type: 'parallel',
-          params: { branches },
+          ...buildReasoningMeta(event),
+          params: { branches, branch_labels: event.branch_labels },
           status: 'running',
           timestamp: new Date().toISOString(),
         });
@@ -551,6 +611,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             updateAssistantMessage(msgId, {
               status: 'completed',
               content: nodeEvent.content || '',
+              ...buildMessageMeta(event),
             });
           } else {
             const newMsg: ChatMessage = {
@@ -559,6 +620,7 @@ export function useEventHandler(config: EventHandlerConfig) {
               content: nodeEvent.content || '',
               timestamp: new Date(),
               status: 'completed',
+              ...buildMessageMeta(event),
             };
             messages.value.push(newMsg);
           }
@@ -581,6 +643,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             ),
             node_id: event.node_id,
             node_type: event.node_type,
+            ...buildReasoningMeta(event),
             status: 'running',
             timestamp: new Date().toISOString(),
           });
@@ -622,6 +685,7 @@ export function useEventHandler(config: EventHandlerConfig) {
             '等待用户输入',
           node_id: event.node_id,
           node_type: event.node_type,
+          ...buildReasoningMeta(event),
           params: configData,
           status: 'running',
           timestamp: new Date().toISOString(),
diff --git a/web/apps/web-ele/src/views/ai-platform/workflow-runs/modules/detail-dialog.vue b/web/apps/web-ele/src/views/ai-platform/workflow-runs/modules/detail-dialog.vue
index 0662795..4035aa8 100644
--- a/web/apps/web-ele/src/views/ai-platform/workflow-runs/modules/detail-dialog.vue
+++ b/web/apps/web-ele/src/views/ai-platform/workflow-runs/modules/detail-dialog.vue
@@ -91,13 +91,14 @@ const agentSummaries = computed(() => {
 
   for (const log of executionLogs.value) {
     const meta = getLogMeta(log);
-    const code = meta.agent_code;
+    const collaboration = meta.collaboration || {};
+    const code = meta.agent_code || collaboration.agent_code;
     if (!code) continue;
 
     const current = agents.get(code) || {
       code,
-      model: meta.model || meta.model_id || '-',
-      name: meta.agent_name || code,
+      model: meta.model || collaboration.model || meta.model_id || collaboration.model_id || '-',
+      name: meta.agent_name || collaboration.agent_name || code,
       steps: 0,
       tokens: 0,
     };
@@ -112,6 +113,43 @@ const agentSummaries = computed(() => {
 
   return [...agents.values()];
 });
+const collaborationTimeline = computed(() => {
+  return executionLogs.value
+    .map((log, index) => {
+      const meta = getLogMeta(log);
+      const collaboration = meta.collaboration || {};
+      const agentCode = meta.agent_code || collaboration.agent_code;
+      const agentName = meta.agent_name || collaboration.agent_name || agentCode;
+      const branch = log.branch_label || log.branch || collaboration.branch_label;
+      const subflowName = collaboration.subflow_name || meta.subflow_name;
+      const model = meta.model || collaboration.model || meta.model_id || collaboration.model_id;
+      const title =
+        agentName ||
+        subflowName ||
+        branch ||
+        log.node_label ||
+        log.node_id ||
+        `#${index + 1}`;
+      const summaryParts = [
+        branch ? `分支：${branch}` : '',
+        subflowName ? `子流程：${subflowName}` : '',
+        model ? `模型：${model}` : '',
+      ].filter(Boolean);
+
+      return {
+        key: `${log.node_id || 'node'}-${index}`,
+        nodeId: log.node_id,
+        title,
+        subtitle: log.node_label || log.node_id,
+        status: log.status,
+        summary: summaryParts.join(' · '),
+        elapsed: log.elapsed_time,
+        tokens: log.tokens_used || 0,
+        hasSignal: Boolean(agentName || branch || subflowName || model),
+      };
+    })
+    .filter((item) => item.hasSignal);
+});
 
 async function loadDetail() {
   if (!runId.value) return;
@@ -341,6 +379,40 @@ defineExpose({ open });
           <div v-else class="text-muted-foreground text-sm">
             {{ $t('ai-platform.workflowRuns.detail.noAgentLogs') }}
           </div>
+          <div class="mt-3 border-t pt-3">
+            <div class="mb-2 flex items-center justify-between">
+              <span class="text-sm font-medium">协作通信</span>
+              <ElTag size="small">{{ collaborationTimeline.length }}</ElTag>
+            </div>
+            <div v-if="collaborationTimeline.length" class="collaboration-timeline">
+              <button
+                v-for="item in collaborationTimeline"
+                :key="item.key"
+                class="collaboration-item"
+                type="button"
+                @click="selectLog(item.nodeId)"
+              >
+                <span
+                  class="collaboration-dot"
+                  :class="`is-${getLogStatusType(item.status)}`"
+                ></span>
+                <span class="min-w-0">
+                  <span class="block truncate text-xs font-medium">
+                    {{ item.title }}
+                  </span>
+                  <span class="text-muted-foreground block truncate text-xs">
+                    {{ item.summary || item.subtitle }}
+                  </span>
+                </span>
+                <span class="text-muted-foreground shrink-0 text-xs">
+                  {{ formatDuration(item.elapsed) }}
+                </span>
+              </button>
+            </div>
+            <div v-else class="text-muted-foreground text-sm">
+              暂无协作通信记录
+            </div>
+          </div>
         </div>
       </div>
 
@@ -509,6 +581,54 @@ defineExpose({ open });
   max-height: 140px;
 }
 
+.workflow-run-detail-dialog .collaboration-timeline {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.workflow-run-detail-dialog .collaboration-item {
+  display: grid;
+  grid-template-columns: 8px minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 8px;
+  width: 100%;
+  border: 1px solid var(--el-border-color-lighter);
+  border-radius: 6px;
+  background: var(--el-fill-color-blank);
+  padding: 8px 10px;
+  text-align: left;
+  cursor: pointer;
+}
+
+.workflow-run-detail-dialog .collaboration-item:hover {
+  border-color: var(--el-color-primary-light-5);
+  background: var(--el-fill-color-light);
+}
+
+.workflow-run-detail-dialog .collaboration-dot {
+  width: 8px;
+  height: 8px;
+  border-radius: 999px;
+  background: var(--el-text-color-placeholder);
+}
+
+.workflow-run-detail-dialog .collaboration-dot.is-success {
+  background: var(--el-color-success);
+}
+
+.workflow-run-detail-dialog .collaboration-dot.is-danger {
+  background: var(--el-color-danger);
+}
+
+.workflow-run-detail-dialog .collaboration-dot.is-warning {
+  background: var(--el-color-warning);
+}
+
+.workflow-run-detail-dialog .collaboration-dot.is-primary {
+  background: var(--el-color-primary);
+}
+
 @media (max-width: 1024px) {
   .workflow-run-detail-dialog .run-report-grid,
   .workflow-run-detail-dialog .run-detail-main {