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)