feat: complete hosted mod sync and launcher interface updates

Add pack sync markers, tagged mod updates, parallel progress, JWT downloads and retry recovery. Include pending onboarding, about scene, compatibility data pack and download fixes.

apps/app-frontend/src/components/instance/InstanceModeOptions.vue

@@ -15,7 +15,7 @@ const messages = defineMessages({
 	starlightDescription: {
 		id: 'app.instance-mode.starlight-description',
 		defaultMessage:
-			'Automatically syncs changes published by the StarLight server. Required for playing on StarLight. Select and install the official modpack in Mod management before your first launch.',
+			'Required for playing on StarLight. Automatically installs the server-selected modpack, Minecraft version, and loader. Every launch requires a StarLight login and checks for updates before starting.',
 	},
 	localDescription: {
 		id: 'app.instance-mode.local-description',