Function updatePort

packages/server/src/lock.ts:267–277

(port: number)

      }
    },
    updatePort(port: number): void {
      if (!existsSync(lockPath)) return;
      const contents = readLockContents(lockPath);
      // Only rewrite our own lock, and only when the port actually changed.
      if (!contents || contents.pid !== ownerPid || contents.port === port) return;
      try {
        writeFileSync(lockPath, JSON.stringify({ ...contents, port }));
      } catch {
        // Best-effort: a concurrent release/takeover may have removed the file.
      }
    },
  };
}