阶段5-独立验证: 新增rpa-cli.ts CLI host(createEngine+registerAll零Electron跑通5个代表能力: 桌面/Excel/HTTP/文件/屏幕), 新增rpa-cli脚本与tsx依赖; 5.2 Bun冒烟按决策10延期到迁入Agent-Employee时执行; 5.3回归三项全绿

scripts/rpa-cli.ts

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+/**
+ * rpa-core CLI host（任务 5.1）：Node 直接拉起 createEngine() + WindowsDriver，
+ * 不经过 Electron，验证包的零宿主可运行性。
+ *
+ * 跑通 5 个代表能力（全部只读或落在临时目录，可重复执行）：
+ *   1. 桌面（PowerShell user32）：Window_GetActiveWindow —— 读前台窗口标题
+ *   2. Excel（exceljs）：        Excel_Cs_NewV5       —— 临时目录新建工作簿
+ *   3. HTTP（fetch）：            Http_Get             —— GET 百度首页
+ *   4. 文件（fs）：               File_Write / File_Read
+ *   5. 窗口/屏幕（PowerShell）：  Window_GetScreenSize
+ *
+ * 运行：npm run rpa-cli
+ */
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import {
+  createEngine,
+  capabilityCount,
+  getHandler,
+  registerAll,
+  type CapabilityHandler,
+  type RunContext
+} from "@rpa/core";
+import "@rpa/core/capabilities";
+
+const ctx = {
+  runId: "rpa-cli",
+  flowId: "rpa-cli",
+  flow: { id: "rpa-cli", name: "rpa-cli", nodes: [], edges: [] },
+  vars: {},
+  secrets: {},
+  signal: new AbortController().signal,
+  evidenceDir: "",
+  log: (message: string) => console.log("  " + message),
+  componentOf: () => undefined
+} as unknown as RunContext;
+const node = (componentId: string) => ({ id: "rpa-cli", componentId, position: { x: 0, y: 0 }, values: {}, options: {} });
+
+async function run(name: string, handler: CapabilityHandler, args: Record<string, unknown>): Promise<void> {
+  process.stdout.write(`[${name}] `);
+  const result = await handler(ctx, node(name), args, undefined as never);
+  console.log("OK ->", typeof result === "string" ? result.slice(0, 120) : JSON.stringify(result)?.slice(0, 200));
+}
+
+async function main(): Promise<void> {
+  const engine = createEngine();
+  await registerAll(engine);
+  console.log(`rpa-core CLI host：引擎已创建，注册能力 ${capabilityCount()} 个\n`);
+
+  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "rpa-cli-"));
+  try {
+    await run("Window_GetActiveWindow", getHandler("Window_GetActiveWindow")!, {});
+    await run("Window_GetScreenSize", getHandler("Window_GetScreenSize")!, {});
+    await run("Excel_Cs_NewV5", getHandler("Excel_Cs_NewV5")!, { filePath: tmpDir, name: "rpa-cli-demo.xlsx" });
+    const file = path.join(tmpDir, "hello.txt");
+    await run("File_Write", getHandler("File_Write")!, { path: file, content: "hello from rpa-core CLI" });
+    await run("File_Read", getHandler("File_Read")!, { path: file });
+    await run("Http_Get", getHandler("Http_Get")!, { url: "https://www.baidu.com", timeout: 15 });
+    console.log("\n5 项代表能力全部通过 ✓");
+  } finally {
+    fs.rmSync(tmpDir, { recursive: true, force: true });
+  }
+}
+
+void main().catch((error) => {
+  console.error("\nCLI host 失败：", (error as Error).message);
+  process.exit(1);
+});