feat(flow): 添加动态API路由支持通过流程code执行

refactor(engine): 优化节点执行耗时记录
fix(db): 修正结果模式获取逻辑忽略connection.mode
style(i18n): 统一节点描述和输出模式选项的国际化
test(flow): 新增测试流程定义文件
refactor(react): 简化开发环境日志降噪处理

backend/src/routes/dynamic_api.rs

@@ -0,0 +1,60 @@
+use axum::{Router, routing::post, extract::{State, Path}, Json};
+use crate::{db::Db, response::ApiResponse, services::flow_service, error::AppError};
+use serde_json::Value;
+use tracing::{info, error};
+
+pub fn router() -> Router<Db> {
+    Router::new()
+        .route("/dynamic/{flow_code}", post(execute_flow))
+}
+
+async fn execute_flow(
+    State(db): State<Db>, 
+    Path(flow_code): Path<String>, 
+    Json(payload): Json<Value>
+) -> Result<Json<ApiResponse<Value>>, AppError> {
+    info!(target = "udmin", "dynamic_api.execute_flow: start flow_code={}", flow_code);
+    
+    // 1. 通过code查询流程
+    let flow_doc = match flow_service::get_by_code(&db, &flow_code).await {
+        Ok(doc) => doc,
+        Err(e) => {
+            error!(target = "udmin", error = ?e, "dynamic_api.execute_flow: flow not found flow_code={}", flow_code);
+            return Err(flow_service::ae(e));
+        }
+    };
+    
+    // 2. 执行流程
+    let flow_id = flow_doc.id.clone();
+    info!(target = "udmin", "dynamic_api.execute_flow: found flow id={} for code={}", flow_id, flow_code);
+    
+    match flow_service::run(&db, &flow_id, flow_service::RunReq { input: payload }, Some((0, "接口".to_string()))).await {
+        Ok(result) => {
+            info!(target = "udmin", "dynamic_api.execute_flow: execution successful flow_code={}", flow_code);
+            // 仅返回上下文中的 http_resp / http_response，如果不存在则返回空对象 {}
+            let ctx = result.ctx;
+            let data = match ctx {
+                Value::Object(mut map) => {
+                    if let Some(v) = map.remove("http_resp") {
+                        v
+                    } else if let Some(v) = map.remove("http_response") {
+                        v
+                    } else {
+                        Value::Object(serde_json::Map::new())
+                    }
+                }
+                _ => Value::Object(serde_json::Map::new()),
+            };
+            Ok(Json(ApiResponse::ok(data)))
+        },
+        Err(e) => {
+            error!(target = "udmin", error = ?e, "dynamic_api.execute_flow: execution failed flow_code={}", flow_code);
+            let mut full = e.to_string();
+            for cause in e.chain().skip(1) { 
+                full.push_str(" | "); 
+                full.push_str(&cause.to_string()); 
+            }
+            Err(AppError::InternalMsg(full))
+        }
+    }
+}

backend/src/routes/mod.rs

@@ -1,13 +1,13 @@
 pub mod auth;
 pub mod users;
 pub mod roles;
-pub mod menus;
 pub mod departments;
-pub mod logs;
-// 新增岗位
 pub mod positions;
+pub mod menus;
+pub mod logs;
 pub mod flows;
 pub mod flow_run_logs;
+pub mod dynamic_api;
 
 use axum::Router;
 use crate::db::Db;
@@ -23,4 +23,5 @@ pub fn api_router() -> Router<Db> {
         .merge(flows::router())
         .merge(positions::router())
         .merge(flow_run_logs::router())
+        .merge(dynamic_api::router())
 }