修复: execution_id String→ExecutionId 类型别名 + 更新待决策状态

crates/df-types/src/events.rs

@@ -2,7 +2,7 @@
 
 use serde::{Deserialize, Serialize};
 
-use crate::types::NodeId;
+use crate::types::{ExecutionId, NodeId};
 
 /// 人工审批选择类型(F-260615-01)
 /// - Single: 单选(decision 单值),缺省值,向后兼容现有调用方
@@ -24,7 +24,7 @@ pub enum SelectType {
 /// 旧调用方仍可只填 decision,HumanNode 下游兼容两者。
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct HumanApprovalResponse {
-    pub execution_id: String,
+    pub execution_id: ExecutionId,
     pub node_id: NodeId,
     pub decision: String,
     #[serde(default)]
@@ -81,7 +81,7 @@ pub enum WorkflowEvent {
     /// #[serde(default)] 向后兼容: 老事件/老 DB 反序列化(无 execution_id)填空串不炸。
     WorkflowCompleted {
         #[serde(default)]
-        execution_id: String,
+        execution_id: ExecutionId,
         total_duration_ms: u64,
     },
     /// 工作流执行失败
@@ -89,13 +89,13 @@ pub enum WorkflowEvent {
     /// B-03b-R10 ③(波17 治本): execution_id 字段标识本次终态事件归属的工作流执行(同 WorkflowCompleted)。
     WorkflowFailed {
         #[serde(default)]
-        execution_id: String,
+        execution_id: ExecutionId,
         error: String,
         failed_node: NodeId,
     },
     /// 人工审批请求
     HumanApprovalRequest {
-        execution_id: String,
+        execution_id: ExecutionId,
         node_id: NodeId,
         title: String,
         description: String,
@@ -106,7 +106,7 @@ pub enum WorkflowEvent {
     },
     /// 人工审批响应
     HumanApprovalResponse {
-        execution_id: String,
+        execution_id: ExecutionId,
         node_id: NodeId,
         decision: String,
         /// F-260615-01: 多选结果(Single 模式长度=1,Multiple 模式长度≥1)

crates/df-workflow/src/executor.rs

@@ -3,7 +3,7 @@
 use std::collections::HashMap;
 
 use df_types::events::WorkflowEvent;
-use df_types::types::NodeId;
+use df_types::types::{ExecutionId, NodeId};
 
 use crate::conditions::ConditionEngine;
 use crate::dag::Dag;
@@ -18,7 +18,7 @@ pub struct DagExecutor {
     /// 节点状态机
     state_machine: StateMachine,
     /// 工作流执行 ID（由调用方传入，下沉到每个 NodeContext）
-    execution_id: String,
+    execution_id: ExecutionId,
 }
 
 impl DagExecutor {
@@ -26,7 +26,7 @@ impl DagExecutor {
     ///
     /// `execution_id` 为本次工作流执行的唯一标识，会下沉到每个节点的 NodeContext，
     /// 用于节点内的事件关联、审计追踪等。
-    pub fn new(event_bus: EventBus, execution_id: String) -> Self {
+    pub fn new(event_bus: EventBus, execution_id: ExecutionId) -> Self {
         Self {
             event_bus,
             state_machine: StateMachine::new(),

crates/df-workflow/src/node.rs

@@ -3,7 +3,7 @@
 use async_trait::async_trait;
 use serde::{Deserialize, Serialize};
 
-use df_types::types::NodeId;
+use df_types::types::{ExecutionId, NodeId};
 
 use super::eventbus::EventBus;
 use super::state::StateMachine;
@@ -18,7 +18,7 @@ pub struct NodeContext {
     /// 节点配置参数
     pub config: serde_json::Value,
     /// 工作流执行 ID
-    pub execution_id: String,
+    pub execution_id: ExecutionId,
     /// 事件总线
     pub event_bus: EventBus,
     /// 节点状态机（用于检查取消状态）