Function cleanup

devctx/src/commands/watch.ts:107–112

()

        // Graceful shutdown
        const cleanup = () => {
            clearInterval(timer);
            watcher.close();
            console.log(chalk.gray("\n  Watch mode stopped."));
            process.exit(0);
        };

        process.on("SIGINT", cleanup);
        process.on("SIGTERM", cleanup);