migration to SvelteKit 2

package.json

@@ -20,30 +20,31 @@
 		"pyodide:fetch": "node scripts/prepare-pyodide.js"
 	},
 	"devDependencies": {
-		"@sveltejs/adapter-auto": "^2.0.0",
-		"@sveltejs/adapter-static": "^2.0.3",
-		"@sveltejs/kit": "^1.30.0",
-		"@tailwindcss/typography": "^0.5.10",
+		"@sveltejs/adapter-auto": "3.2.2",
+		"@sveltejs/adapter-static": "^3.0.2",
+		"@sveltejs/kit": "^2.5.20",
+		"@sveltejs/vite-plugin-svelte": "^3.1.1",
+		"@tailwindcss/typography": "^0.5.13",
 		"@types/bun": "latest",
 		"@typescript-eslint/eslint-plugin": "^6.17.0",
 		"@typescript-eslint/parser": "^6.17.0",
 		"autoprefixer": "^10.4.16",
 		"cypress": "^13.8.1",
 		"eslint": "^8.56.0",
-		"eslint-config-prettier": "^8.5.0",
-		"eslint-plugin-cypress": "^3.0.2",
-		"eslint-plugin-svelte": "^2.30.0",
+		"eslint-config-prettier": "^9.1.0",
+		"eslint-plugin-cypress": "^3.4.0",
+		"eslint-plugin-svelte": "^2.43.0",
 		"i18next-parser": "^8.13.0",
 		"postcss": "^8.4.31",
-		"prettier": "^2.8.0",
-		"prettier-plugin-svelte": "^2.10.1",
-		"svelte": "^4.0.5",
-		"svelte-check": "^3.4.3",
+		"prettier": "^3.3.3",
+		"prettier-plugin-svelte": "^3.2.6",
+		"svelte": "^4.2.18",
+		"svelte-check": "^3.8.5",
 		"svelte-confetti": "^1.3.2",
 		"tailwindcss": "^3.3.3",
 		"tslib": "^2.4.1",
-		"typescript": "^5.0.0",
-		"vite": "^4.4.2",
+		"typescript": "^5.5.4",
+		"vite": "^5.3.5",
 		"vitest": "^1.6.0"
 	},
 	"type": "module",
@@ -52,7 +53,7 @@
 		"@codemirror/lang-python": "^6.1.6",
 		"@codemirror/theme-one-dark": "^6.1.2",
 		"@pyscript/core": "^0.4.32",
-		"@sveltejs/adapter-node": "^1.3.1",
+		"@sveltejs/adapter-node": "^2.0.0",
 		"async": "^3.2.5",
 		"bits-ui": "^0.19.7",
 		"codemirror": "^6.0.1",
@@ -77,5 +78,9 @@
 		"tippy.js": "^6.3.7",
 		"turndown": "^7.2.0",
 		"uuid": "^9.0.1"
+	},
+	"engines": {
+		"node": ">=18.13.0 <=21.x.x",
+		"npm": ">=6.0.0"
 	}
 }
\ No newline at end of file

svelte.config.js

 import adapter from '@sveltejs/adapter-static';
-import { vitePreprocess } from '@sveltejs/kit/vite';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {