v1.4.0 — Clean Restart

Clean Restart — right-click any app row → Clean Restart to stop it, delete its framework build cache, free the port, and start fresh in one move.

This is the fix for a dev server that wedges on compile: port open, CPU pegged, but the page never loads — and a normal Stop→Run doesn't help because it reuses the same poisoned cache. OpenPort wipes the right cache per framework so you never have to drop into a terminal:

Framework	Cache cleared
Next.js	.next
Vite / SvelteKit	node_modules/.vite, .svelte-kit
CRA	node_modules/.cache

Plain Run is unchanged — the cache is only cleared when you explicitly choose Clean Restart, so day-to-day launches stay fast.

Also: dropped the redundant System theme mode (Auto already follows the system sun-based appearance).