chore(frontend): add font/icon deps and dev config

Add @fontsource-variable (manrope/sora/inter), @lucide/svelte and @types/node, mark @lucide/svelte as noExternal for SSR, and add the dev-server launch config.

frontend/package.json

@@ -17,6 +17,7 @@
 		"@sveltejs/kit": "^2.63.0",
 		"@sveltejs/vite-plugin-svelte": "^7.1.2",
 		"@tailwindcss/vite": "^4.3.0",
+		"@types/node": "^22.20.1",
 		"svelte": "^5.56.1",
 		"svelte-check": "^4.6.0",
 		"tailwindcss": "^4.3.0",
@@ -24,6 +25,10 @@
 		"vite": "^8.0.16"
 	},
 	"dependencies": {
+		"@fontsource-variable/inter": "^5.2.8",
+		"@fontsource-variable/manrope": "^5.2.8",
+		"@fontsource-variable/sora": "^5.2.8",
+		"@lucide/svelte": "^1.23.0",
 		"@sveltejs/adapter-node": "^5.5.7",
 		"jose": "^6.2.3",
 		"openapi-fetch": "^0.17.0",