fix: improve app restart and gateway logs

src/infra/gateway-lock.test.ts

@@ -0,0 +1,34 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+import { describe, expect, it } from "vitest";
+
+import { acquireGatewayLock, GatewayLockError } from "./gateway-lock.js";
+
+const newLockPath = () =>
+  path.join(
+    os.tmpdir(),
+    `clawdis-gateway-lock-test-${process.pid}-${Math.random().toString(16).slice(2)}.sock`,
+  );
+
+describe("gateway-lock", () => {
+  it("prevents concurrent gateway instances and releases cleanly", async () => {
+    const lockPath = newLockPath();
+
+    const release1 = await acquireGatewayLock(lockPath);
+    expect(fs.existsSync(lockPath)).toBe(true);
+
+    await expect(acquireGatewayLock(lockPath)).rejects.toBeInstanceOf(
+      GatewayLockError,
+    );
+
+    await release1();
+    expect(fs.existsSync(lockPath)).toBe(false);
+
+    // After release, lock can be reacquired.
+    const release2 = await acquireGatewayLock(lockPath);
+    await release2();
+    expect(fs.existsSync(lockPath)).toBe(false);
+  });
+});