feat: 任务保存冲突检测——磁盘被外部修改时提示选择而非静默覆盖

src/main/index.ts

@@ -1,6 +1,6 @@
 import { app, BrowserWindow, dialog, ipcMain, shell } from "electron";
 import path from "node:path";
-import type { AppInfo, AppSettings, FlowDefinition } from "../shared/types";
+import type { AppInfo, AppSettings, FlowDefinition, FlowSaveOptions, FlowSaveResult } from "../shared/types";
 import { BrowserSession, hasBrowserSession, setBrowserElementWaitMs } from "./browser/session";
 import "./capabilities";
 import { catalogPath, loadCatalog } from "./catalog";
@@ -128,7 +128,15 @@ function registerIpc(): void {
     return listFlows();
   });
   ipcMain.handle("flows:get", (_event, id: string) => getFlow(id));
-  ipcMain.handle("flows:save", (_event, flow: FlowDefinition) => saveFlow(flow));
+  ipcMain.handle("flows:save", (_event, flow: FlowDefinition, opts?: FlowSaveOptions): FlowSaveResult => {
+  if (!opts?.force && opts?.expectedUpdatedAt) {
+    const disk = getFlow(flow.id);
+    if (disk && disk.meta?.updatedAt && disk.meta.updatedAt !== opts.expectedUpdatedAt) {
+      return { conflict: true, diskFlow: disk };
+    }
+  }
+  return { conflict: false, flow: saveFlow(flow) };
+});
   ipcMain.handle("flows:delete", (_event, id: string) => {
     deleteFlow(id);
     return true;
@@ -190,3 +198,5 @@ if (!gotLock) {
     void stopFixtureServer();
   });
 }
+
+