refactor(core): migrate to Bun and converge acquisition policies and Agent boundaries

apps/server/test/system/bun-runtime.test.ts

@@ -0,0 +1,65 @@
+import { serve, upgradeWebSocket } from "@umt/runtime";
+import { Hono } from "hono";
+import { expect, it } from "vitest";
+
+it("Bun HTTP 适配通过 Hono 中间件升级 WebSocket,保留协议、文本与二进制消息", async () => {
+  const app = new Hono();
+  app.use("*", async (c, next) => {
+    await next();
+    c.header("x-test", "middleware");
+  });
+  app.get("/ws", (c) => {
+    const { socket, response } = upgradeWebSocket(c.req.raw, { protocol: "umt-test" });
+    socket.onmessage = (event) => socket.send(event.data);
+    return response;
+  });
+  const server = serve({ hostname: "127.0.0.1", port: 0 }, app.fetch);
+  const client = new WebSocket(`ws://127.0.0.1:${server.addr.port}/ws`, ["umt-test"]);
+  client.binaryType = "arraybuffer";
+  try {
+    await new Promise<void>((resolve, reject) => {
+      client.onopen = () => resolve();
+      client.onerror = () => reject(new Error("upgrade failed"));
+    });
+    expect(client.protocol).toBe("umt-test");
+    const echo = (data: string | ArrayBuffer) =>
+      new Promise<unknown>((resolve) => {
+        client.onmessage = (event) => resolve(event.data);
+        client.send(data);
+      });
+    expect(await echo("hello")).toBe("hello");
+    expect(new Uint8Array((await echo(new Uint8Array([1, 2, 3]).buffer)) as ArrayBuffer)).toEqual(
+      new Uint8Array([1, 2, 3]),
+    );
+  } finally {
+    client.close();
+    await server.shutdown();
+  }
+});
+
+it("Bun WebSocket 上游连接发送自定义认证头", async () => {
+  let authorization: string | null = null;
+  const server = Bun.serve({
+    hostname: "127.0.0.1",
+    port: 0,
+    fetch(req, server) {
+      authorization = req.headers.get("authorization");
+      if (server.upgrade(req)) return undefined;
+      return new Response(null, { status: 400 });
+    },
+    websocket: { message() {} },
+  });
+  const client = new WebSocket(`ws://127.0.0.1:${server.port}`, {
+    headers: { authorization: "Basic test" },
+  } as unknown as string[]);
+  try {
+    await new Promise<void>((resolve, reject) => {
+      client.onopen = () => resolve();
+      client.onerror = () => reject(new Error("connect failed"));
+    });
+    expect(authorization).toBe("Basic test");
+  } finally {
+    client.close();
+    await server.stop(true);
+  }
+});