feat: 接入浏览器元素拾取

src/main/index.ts

@@ -1,6 +1,7 @@
 import { app, BrowserWindow, dialog, ipcMain, shell } from "electron";
 import path from "node:path";
 import type { AppInfo, FlowDefinition } from "../shared/types";
+import { BrowserSession, hasBrowserSession } from "./browser/session";
 import "./capabilities";
 import { catalogPath, loadCatalog } from "./catalog";
 import { createDemoFlow, createExampleFlows, createFlow, deleteFlow, getFlow, listFlows, saveFlow } from "./flows";
@@ -92,6 +93,18 @@ function registerIpc(): void {
   ipcMain.handle("run:start", (event, flow: FlowDefinition) => startRun(flow, event.sender));
   ipcMain.handle("run:stop", (_event, runId?: string) => stopRun(runId));
   ipcMain.handle("run:capabilities", () => ({ count: capabilityCount(), ids: capabilityIds() }));
+  ipcMain.handle("browser:pick-element", async (_event, options: { url?: string } = {}) => {
+    const url = options.url?.trim();
+    if (!hasBrowserSession() && !url) {
+      throw new Error("请先配置或运行「打开网页」，再拾取元素");
+    }
+    const session = await BrowserSession.create();
+    const currentUrl = await session.currentUrl();
+    if (url && (currentUrl === "about:blank" || currentUrl !== url)) {
+      await session.navigate(url);
+    }
+    return session.pickElement();
+  });
   ipcMain.handle("flows:list", () => listFlows());
   ipcMain.handle("flows:create", (_event, name?: string) => {
     const flow = createFlow(name);