diff --git a/packages/kit/src/exports/vite/dev/index.js b/packages/kit/src/exports/vite/dev/index.js
index 8371a81ba5b1..ecada10f23d0 100644
--- a/packages/kit/src/exports/vite/dev/index.js
+++ b/packages/kit/src/exports/vite/dev/index.js
@@ -1,3 +1,5 @@
+/** @import { RequestEvent } from '@sveltejs/kit' */
+/** @import { PrerenderOption, UniversalNode } from 'types' */
 import fs from 'node:fs';
 import path from 'node:path';
 import process from 'node:process';
@@ -34,13 +36,19 @@ const vite_css_query_regex = /(?:\?|&)(?:raw|url|inline)(?:&|$)/;
 export async function dev(vite, vite_config, svelte_config, get_remotes) {
 	installPolyfills();
 
+	/** @type {AsyncLocalStorage<{ event: RequestEvent, config: any, prerender: PrerenderOption }>} */
 	const async_local_storage = new AsyncLocalStorage();
 
 	globalThis.__SVELTEKIT_TRACK__ = (label) => {
 		const context = async_local_storage.getStore();
 		if (!context || context.prerender === true) return;
 
-		check_feature(context.event.route.id, context.config, label, svelte_config.kit.adapter);
+		check_feature(
+			/** @type {string} */ (context.event.route.id),
+			context.config,
+			label,
+			svelte_config.kit.adapter
+		);
 	};
 
 	const fetch = globalThis.fetch;
@@ -68,7 +76,8 @@ export async function dev(vite, vite_config, svelte_config, get_remotes) {
 	async function loud_ssr_load_module(url) {
 		try {
 			return await vite.ssrLoadModule(url, { fixStacktrace: true });
-		} catch (/** @type {any} */ err) {
+		} catch (/** @type {unknown} */ e) {
+			const err = /** @type {import('rollup').RollupError} */ (e);
 			const msg = buildErrorMessage(err, [colors.red(`Internal server error: ${err.message}`)]);
 
 			if (!vite.config.logger.hasErrorLogged(err)) {
@@ -77,13 +86,13 @@ export async function dev(vite, vite_config, svelte_config, get_remotes) {
 
 			vite.ws.send({
 				type: 'error',
-				err: {
+				err: /** @type {import('vite').ErrorPayload['err']} */ ({
 					...err,
 					// these properties are non-enumerable and will
 					// not be serialized unless we explicitly include them
 					message: err.message,
-					stack: err.stack
-				}
+					stack: err.stack ?? ''
+				})
 			});
 
 			throw err;
@@ -204,7 +213,7 @@ export async function dev(vite, vite_config, svelte_config, get_remotes) {
 
 						if (node.universal) {
 							if (node.page_options?.ssr === false) {
-								result.universal = node.page_options;
+								result.universal = /** @type {UniversalNode} */ (node.page_options);
 							} else {
 								// TODO: explain why the file was loaded on the server if we fail to load it
 								const { module, module_node } = await resolve(node.universal);
@@ -437,7 +446,7 @@ export async function dev(vite, vite_config, svelte_config, get_remotes) {
 	return () => {
 		const serve_static_middleware = vite.middlewares.stack.find(
 			(middleware) =>
-				/** @type {function} */ (middleware.handle).name === 'viteServeStaticMiddleware'
+				/** @type {Function} */ (middleware.handle).name === 'viteServeStaticMiddleware'
 		);
 
 		// Vite will give a 403 on URLs like /test, /static, and /package.json preventing us from
diff --git a/packages/kit/src/exports/vite/index.js b/packages/kit/src/exports/vite/index.js
index b448fc7bb3d1..fe829e73e240 100644
--- a/packages/kit/src/exports/vite/index.js
+++ b/packages/kit/src/exports/vite/index.js
@@ -1,3 +1,6 @@
+/** @import { Options } from '@sveltejs/vite-plugin-svelte' */
+/** @import { PreprocessorGroup } from 'svelte/compiler' */
+/** @import { ConfigEnv, Manifest, Plugin, ResolvedConfig, UserConfig, ViteDevServer } from 'vite' */
 import fs from 'node:fs';
 import path from 'node:path';
 import process from 'node:process';
@@ -87,7 +90,7 @@ const options_regex = /(export\s+const\s+(prerender|csr|ssr|trailingSlash))\s*=/
 /** @type {Set<string>} */
 const warned = new Set();
 
-/** @type {import('svelte/compiler').PreprocessorGroup} */
+/** @type {PreprocessorGroup} */
 const warning_preprocessor = {
 	script: ({ content, filename }) => {
 		if (!filename) return;
@@ -130,12 +133,12 @@ const warning_preprocessor = {
 
 /**
  * Returns the SvelteKit Vite plugins.
- * @returns {Promise<import('vite').Plugin[]>}
+ * @returns {Promise<Plugin[]>}
  */
 export async function sveltekit() {
 	const svelte_config = await load_config();
 
-	/** @type {import('@sveltejs/vite-plugin-svelte').Options['preprocess']} */
+	/** @type {Options['preprocess']} */
 	let preprocess = svelte_config.preprocess;
 	if (Array.isArray(preprocess)) {
 		preprocess = [...preprocess, warning_preprocessor];
@@ -145,7 +148,7 @@ export async function sveltekit() {
 		preprocess = warning_preprocessor;
 	}
 
-	/** @type {import('@sveltejs/vite-plugin-svelte').Options} */
+	/** @type {Options} */
 	const vite_plugin_svelte_options = {
 		configFile: false,
 		extensions: svelte_config.extensions,
@@ -185,10 +188,10 @@ let build_metadata = undefined;
  * - https://rollupjs.org/guide/en/#output-generation-hooks
  *
  * @param {{ svelte_config: import('types').ValidatedConfig }} options
- * @return {Promise<import('vite').Plugin[]>}
+ * @return {Promise<Plugin[]>}
  */
 async function kit({ svelte_config }) {
-	/** @type {import('vite')} */
+	/** @type {typeof import('vite')} */
 	const vite = await import_peer('vite');
 
 	// @ts-ignore `vite.rolldownVersion` only exists in `vite 8`
@@ -199,10 +202,10 @@ async function kit({ svelte_config }) {
 
 	const version_hash = hash(kit.version.name);
 
-	/** @type {import('vite').ResolvedConfig} */
+	/** @type {ResolvedConfig} */
 	let vite_config;
 
-	/** @type {import('vite').ConfigEnv} */
+	/** @type {ConfigEnv} */
 	let vite_config_env;
 
 	/** @type {boolean} */
@@ -214,7 +217,7 @@ async function kit({ svelte_config }) {
 	/** @type {() => Promise<void>} */
 	let finalise;
 
-	/** @type {import('vite').UserConfig} */
+	/** @type {UserConfig} */
 	let initial_config;
 
 	const service_worker_entry_file = resolve_entry(kit.files.serviceWorker);
@@ -234,7 +237,7 @@ async function kit({ svelte_config }) {
 	const sourcemapIgnoreList = /** @param {string} relative_path */ (relative_path) =>
 		relative_path.includes('node_modules') || relative_path.includes(kit.outDir);
 
-	/** @type {import('vite').Plugin} */
+	/** @type {Plugin} */
 	const plugin_setup = {
 		name: 'vite-plugin-sveltekit-setup',
 
@@ -268,7 +271,7 @@ async function kit({ svelte_config }) {
 				const generated = path.posix.join(kit.outDir, 'generated');
 
 				// dev and preview config can be shared
-				/** @type {import('vite').UserConfig} */
+				/** @type {UserConfig} */
 				const new_config = {
 					resolve: {
 						alias: [
@@ -438,7 +441,7 @@ async function kit({ svelte_config }) {
 		}
 	};
 
-	/** @type {import('vite').Plugin} */
+	/** @type {Plugin} */
 	const plugin_virtual_modules = {
 		name: 'vite-plugin-sveltekit-virtual-modules',
 
@@ -562,7 +565,7 @@ async function kit({ svelte_config }) {
 	/**
 	 * Ensures that client-side code can't accidentally import server-side code,
 	 * whether in `*.server.js` files, `$app/server`, `$lib/server`, or `$env/[static|dynamic]/private`
-	 * @type {import('vite').Plugin}
+	 * @type {Plugin}
 	 */
 	const plugin_guard = {
 		name: 'vite-plugin-sveltekit-guard',
@@ -669,7 +672,7 @@ async function kit({ svelte_config }) {
 		}
 	};
 
-	/** @type {import('vite').ViteDevServer} */
+	/** @type {ViteDevServer} */
 	let dev_server;
 
 	/** @type {Array<{ hash: string, file: string }>} */
@@ -681,7 +684,7 @@ async function kit({ svelte_config }) {
 	/** @type {Set<string>} Track which remote hashes have already been emitted */
 	const emitted_remote_hashes = new Set();
 
-	/** @type {import('vite').Plugin} */
+	/** @type {Plugin} */
 	const plugin_remote = {
 		name: 'vite-plugin-sveltekit-remote',
 
@@ -810,7 +813,7 @@ async function kit({ svelte_config }) {
 		}
 	};
 
-	/** @type {import('vite').Plugin} */
+	/** @type {Plugin} */
 	const plugin_compile = {
 		name: 'vite-plugin-sveltekit-compile',
 
@@ -822,7 +825,7 @@ async function kit({ svelte_config }) {
 			// avoids overwriting the base setting that's also set by Vitest
 			order: 'pre',
 			handler(config) {
-				/** @type {import('vite').UserConfig} */
+				/** @type {UserConfig} */
 				let new_config;
 
 				const kit_paths_base = kit.paths.base || '/';
@@ -1070,7 +1073,7 @@ async function kit({ svelte_config }) {
 				const verbose = vite_config.logLevel === 'info';
 				const log = logger({ verbose });
 
-				/** @type {import('vite').Manifest} */
+				/** @type {Manifest} */
 				const server_manifest = JSON.parse(read(`${out}/server/.vite/manifest.json`));
 
 				/** @type {import('types').BuildData} */
@@ -1194,7 +1197,7 @@ async function kit({ svelte_config }) {
 					}
 				}
 
-				/** @type {import('vite').Manifest} */
+				/** @type {Manifest} */
 				const client_manifest = JSON.parse(read(`${out}/client/.vite/manifest.json`));
 
 				/**
@@ -1421,8 +1424,8 @@ async function kit({ svelte_config }) {
 }
 
 /**
- * @param {Record<string, any>} config
- * @param {Record<string, any>} resolved_config
+ * @param {UserConfig} config
+ * @param {UserConfig} resolved_config
  */
 function warn_overridden_config(config, resolved_config) {
 	const overridden = find_overridden_config(config, resolved_config, enforced_config, '', []);
diff --git a/packages/kit/types/index.d.ts b/packages/kit/types/index.d.ts
index d23a0a4b7380..2d75e5ab0ab7 100644
--- a/packages/kit/types/index.d.ts
+++ b/packages/kit/types/index.d.ts
@@ -2935,10 +2935,11 @@ declare module '@sveltejs/kit/node/polyfills' {
 }
 
 declare module '@sveltejs/kit/vite' {
+	import type { Plugin } from 'vite';
 	/**
 	 * Returns the SvelteKit Vite plugins.
 	 * */
-	export function sveltekit(): Promise<import("vite").Plugin[]>;
+	export function sveltekit(): Promise<Plugin[]>;
 
 	export {};
 }