修复: B-03b-R10③工作流事件补execution_id治本并发串扰(emit填+消费exec_id守卫)

src-tauri/src/commands/workflow.rs

@@ -156,10 +156,19 @@ pub async fn run_workflow_inner(
         loop {
             match rx.recv().await {
                 Ok(event) => {
+                    // B-03b-R10 ③(波17 治本): 完成判定加 execution_id 匹配。
+                    // AppState.event_bus 是全局单例,并发工作流各自订阅同一总线;
+                    // 此前 matches! 只看变体不看 exec_id,任一工作流的 WorkflowCompleted/Failed
+                    // 都会触发本 forward 循环 break,过早断他人链(并发串扰根因)。
+                    // 现在按变体+exec_id 双重匹配:只处理属于本 forward_exec_id 的终态事件,
+                    // 他人终态事件忽略(emit 给前端后继续循环),不再误 break。
+                    // execution_id 字段 #[serde(default)] 向后兼容老事件(空串):
+                    // 自家终态事件本就带正确 exec_id;空串匹配只可能漏(自家老事件),不会误 break。
                     let finished = matches!(
-                        event,
-                        WorkflowEvent::WorkflowCompleted { .. }
-                            | WorkflowEvent::WorkflowFailed { .. }
+                        &event,
+                        WorkflowEvent::WorkflowCompleted { execution_id, .. }
+                            | WorkflowEvent::WorkflowFailed { execution_id, .. }
+                            if execution_id == &forward_exec_id
                     );
                     let payload = WorkflowEventPayload {
                         execution_id: forward_exec_id.clone(),
@@ -197,14 +206,17 @@ pub async fn run_workflow_inner(
                         Ok(Some(record)) => {
                             let terminal = match record.status.as_str() {
                                 "completed" => Some(WorkflowEvent::WorkflowCompleted {
+                                    execution_id: forward_exec_id.clone(),
                                     total_duration_ms: 0,
                                 }),
                                 "failed" => Some(WorkflowEvent::WorkflowFailed {
+                                    execution_id: forward_exec_id.clone(),
                                     error: "工作流执行失败（Lagged 兜底补发，详情见 DB）"
                                         .to_string(),
                                     failed_node: String::new(),
                                 }),
                                 "cancelled" => Some(WorkflowEvent::WorkflowFailed {
+                                    execution_id: forward_exec_id.clone(),
                                     error: "工作流被取消（Lagged 兜底补发）".to_string(),
                                     failed_node: String::new(),
                                 }),
@@ -350,6 +362,7 @@ pub async fn run_workflow_inner(
                 .unwrap_or_default();
             event_bus
                 .send(WorkflowEvent::WorkflowFailed {
+                    execution_id: exec_id.clone(),
                     error,
                     failed_node,
                 })