chore(gateway): use ws bind as lock

scripts/test-force.ts

@@ -1,48 +1,10 @@
 #!/usr/bin/env tsx
-import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { spawnSync } from "node:child_process";
 import { forceFreePort, type PortProcess } from "../src/cli/ports.js";
 
 const DEFAULT_PORT = 18789;
-const DEFAULT_LOCK = path.join(os.tmpdir(), "clawdis-gateway.lock");
-
-function killPid(pid: number, reason: string) {
-  try {
-    process.kill(pid, "SIGTERM");
-    console.log(`sent SIGTERM to ${pid} (${reason})`);
-  } catch (err) {
-    if ((err as NodeJS.ErrnoException).code === "ESRCH") {
-      console.log(`pid ${pid} (${reason}) not running`);
-    } else {
-      console.error(`failed to kill ${pid} (${reason}): ${String(err)}`);
-    }
-  }
-}
-
-function killLockHolder(lockPath: string) {
-  if (!fs.existsSync(lockPath)) return;
-  try {
-    const contents = fs.readFileSync(lockPath, "utf8").trim();
-    const pid = Number.parseInt(contents.split("\n")[0] ?? "", 10);
-    if (Number.isFinite(pid)) {
-      killPid(pid, "gateway lock holder");
-    }
-  } catch (err) {
-    console.error(`failed to read lock ${lockPath}: ${String(err)}`);
-  }
-}
-
-function cleanupLock(lockPath: string) {
-  if (!fs.existsSync(lockPath)) return;
-  try {
-    fs.rmSync(lockPath, { force: true });
-    console.log(`removed gateway lock: ${lockPath}`);
-  } catch (err) {
-    console.error(`failed to remove lock ${lockPath}: ${String(err)}`);
-  }
-}
 
 function killGatewayListeners(port: number): PortProcess[] {
   try {
@@ -86,16 +48,13 @@ function main() {
     process.env.CLAWDIS_GATEWAY_PORT ?? `${DEFAULT_PORT}`,
     10,
   );
-  const lockPath = process.env.CLAWDIS_GATEWAY_LOCK ?? DEFAULT_LOCK;
 
   console.log(`🧹 test:force - clearing gateway on port ${port}`);
-  killLockHolder(lockPath);
   const killed = killGatewayListeners(port);
   if (killed.length === 0) {
     console.log("no listeners to kill");
   }
 
-  cleanupLock(lockPath);
   console.log("running pnpm test…");
   runTests();
 }