Function initialize

apps/host-cloudflare/src/worker.e2e.node.test.ts:397–416

(id: number)

        body: JSON.stringify(body),
      });
    const initialize = async (id: number): Promise<string> => {
      const init = await rpc(null, {
        jsonrpc: "2.0",
        id,
        method: "initialize",
        params: {
          protocolVersion: "2025-03-26",
          capabilities: {},
          clientInfo: { name: "test", version: "1" },
        },
      });
      expect(init.status).toBe(200);
      const sessionId = init.headers.get("mcp-session-id");
      expect(sessionId).toBeTruthy();
      await rpc(sessionId, {
        jsonrpc: "2.0",
        method: "notifications/initialized",
      });
      return sessionId!;
    };

    const sessionA = await initialize(1);
    const execute = await rpc(sessionA, {