From ff4a7f1df37fa77ef3ea6184186d698cd49ccc72 Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Mon, 23 Feb 2026 22:35:43 +0100
Subject: [PATCH 01/10] add tests

---
 packages/sv/src/cli/tests/cli.ts | 38 +++++++++++++++-----------------
 1 file changed, 18 insertions(+), 20 deletions(-)

diff --git a/packages/sv/src/cli/tests/cli.ts b/packages/sv/src/cli/tests/cli.ts
index 4b8564853..95cef13d7 100644
--- a/packages/sv/src/cli/tests/cli.ts
+++ b/packages/sv/src/cli/tests/cli.ts
@@ -16,7 +16,7 @@ beforeAll(() => {
 
 describe('cli', () => {
 	const testCases = [
-		{ projectName: 'create-only', args: ['--no-add-ons'] },
+		{ projectName: 'create-only', args: ['--no-add-ons'], cmds: [] },
 		{
 			projectName: 'create-with-all-addons',
 			args: [
@@ -34,20 +34,26 @@ describe('cli', () => {
 				'paraglide=languageTags:en,es+demo:yes',
 				'mcp=ide:claude-code,cursor,gemini,opencode,vscode,other+setup:local'
 				// 'storybook' // No storybook addon during tests!
+			],
+			cmds: [
+				['i'],
+				['run', 'auth:schema'], //['run', 'build'],
+				['exec', 'eslint', '--', '.']
 			]
 		},
 		{
 			projectName: '@my-org/sv',
 			template: 'addon',
-			args: []
+			args: [],
+			cmds: [['i'], ['run', 'demo-create'], ['run', 'demo-add:ci'], ['run', 'test']]
 		}
 	];
 
 	it.for(testCases)(
 		'should create a new project with name $projectName',
-		{ timeout: 51_000 },
+		{ timeout: 101_000 },
 		async (testCase) => {
-			const { projectName, args, template = 'minimal' } = testCase;
+			const { projectName, args, template = 'minimal', cmds } = testCase;
 
 			const testOutputPath = path.relative(
 				monoRepoPath,
@@ -124,23 +130,15 @@ describe('cli', () => {
 					packageJsonPath,
 					JSON.stringify(packageJson, null, 3).replaceAll('   ', '\t')
 				);
+			}
 
-				const cmds = [
-					// list of cmds to test
-					['i'],
-					['run', 'demo-create'],
-					['run', 'demo-add:ci'],
-					['run', 'test']
-				];
-				for (const cmd of cmds) {
-					const res = await exec('npm', cmd, {
-						nodeOptions: { stdio: 'pipe', cwd: testOutputPath }
-					});
-					expect(
-						res.exitCode,
-						`Error addon test: '${cmd}' -> ${JSON.stringify(res, null, 2)}`
-					).toBe(0);
-				}
+			for (const cmd of cmds) {
+				const res = await exec('npm', cmd, {
+					nodeOptions: { stdio: 'pipe', cwd: testOutputPath }
+				});
+				expect(res.exitCode, `Error addon test: '${cmd}' -> ${JSON.stringify(res, null, 2)}`).toBe(
+					0
+				);
 			}
 		}
 	);

From 7d47ca970cf093fccc188d40b320dbc3b8458ada Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Mon, 23 Feb 2026 22:35:47 +0100
Subject: [PATCH 02/10] update conf

---
 packages/sv/src/addons/eslint.ts                           | 3 ++-
 .../snapshots/create-with-all-addons/eslint.config.js      | 7 +++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/sv/src/addons/eslint.ts b/packages/sv/src/addons/eslint.ts
index b5fd010c5..93b80ca4a 100644
--- a/packages/sv/src/addons/eslint.ts
+++ b/packages/sv/src/addons/eslint.ts
@@ -48,7 +48,7 @@ export default defineAddon({
 			eslintConfigs.push(jsConfig);
 
 			if (typescript) {
-				const tsConfig = js.common.parseExpression('ts.configs.recommended');
+				const tsConfig = js.common.parseExpression('ts.configs.recommendedTypeChecked');
 				eslintConfigs.push(js.common.createSpread(tsConfig));
 			}
 
@@ -77,6 +77,7 @@ export default defineAddon({
 
 			const globalsConfig = js.object.create({
 				languageOptions: {
+					parserOptions: typescript ? { projectService: true } : undefined,
 					globals: globalsObjLiteral
 				},
 				rules: typescript ? rules : undefined
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/eslint.config.js b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/eslint.config.js
index ef3e6616b..4c63b101a 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/eslint.config.js
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/eslint.config.js
@@ -13,12 +13,15 @@ const gitignorePath = path.resolve(import.meta.dirname, '.gitignore');
 export default defineConfig(
 	includeIgnoreFile(gitignorePath),
 	js.configs.recommended,
-	...ts.configs.recommended,
+	...ts.configs.recommendedTypeChecked,
 	...svelte.configs.recommended,
 	prettier,
 	...svelte.configs.prettier,
 	{
-		languageOptions: { globals: { ...globals.browser, ...globals.node } },
+		languageOptions: {
+			parserOptions: { projectService: true },
+			globals: { ...globals.browser, ...globals.node }
+		},
 		rules: {
 			// typescript-eslint strongly recommend that you do not use the no-undef lint rule on TypeScript projects.
 			// see: https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors

From 26817aefa79a0d4778e53c33e94240563f3ea8f5 Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Mon, 23 Feb 2026 23:09:41 +0100
Subject: [PATCH 03/10] update tests

---
 packages/sv/src/cli/tests/cli.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/sv/src/cli/tests/cli.ts b/packages/sv/src/cli/tests/cli.ts
index 95cef13d7..5a3927a89 100644
--- a/packages/sv/src/cli/tests/cli.ts
+++ b/packages/sv/src/cli/tests/cli.ts
@@ -37,7 +37,8 @@ describe('cli', () => {
 			],
 			cmds: [
 				['i'],
-				['run', 'auth:schema'], //['run', 'build'],
+				['run', 'auth:schema'],
+				['run', 'build'],
 				['exec', 'eslint', '--', '.']
 			]
 		},

From 49796ebb2a9a7a6b969524973b60526111e9b71c Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Mon, 23 Feb 2026 23:09:47 +0100
Subject: [PATCH 04/10] add changelog

---
 .changeset/plenty-deserts-tan.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/plenty-deserts-tan.md

diff --git a/.changeset/plenty-deserts-tan.md b/.changeset/plenty-deserts-tan.md
new file mode 100644
index 000000000..9a81c6cb6
--- /dev/null
+++ b/.changeset/plenty-deserts-tan.md
@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+feat(eslint): add `recommendedTypeChecked` config

From a8ebe101e0925f29467fc1e09d8ef1d96a4adf4a Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Mon, 23 Feb 2026 23:12:16 +0100
Subject: [PATCH 05/10] first pass

---
 packages/sv/src/addons/better-auth.ts         | 19 ++++++++++---------
 packages/sv/src/addons/drizzle.ts             | 10 ++++++++++
 packages/sv/src/addons/eslint.ts              | 11 +++++++++++
 packages/sv/src/addons/paraglide.ts           |  7 +++++--
 packages/sv/src/addons/playwright.ts          | 11 +++++++++++
 .../create-only/src/routes/+layout.svelte     |  3 ++-
 .../create-with-all-addons/src/hooks.ts       |  2 +-
 .../src/routes/+layout.svelte                 |  6 ++++--
 .../routes/demo/better-auth/+page.server.ts   |  2 +-
 .../src/routes/demo/better-auth/+page.svelte  |  1 +
 .../demo/better-auth/login/+page.server.ts    | 16 ++++++++--------
 .../create-with-all-addons/tsconfig.json      | 14 ++++++++------
 .../minimal/src/routes/+layout.svelte         |  3 ++-
 13 files changed, 74 insertions(+), 31 deletions(-)

diff --git a/packages/sv/src/addons/better-auth.ts b/packages/sv/src/addons/better-auth.ts
index cd55b0277..895c1d3ff 100644
--- a/packages/sv/src/addons/better-auth.ts
+++ b/packages/sv/src/addons/better-auth.ts
@@ -240,8 +240,8 @@ export default defineAddon({
 						? `
 						signInEmail: async (event) => {
 							const formData = await event.request.formData();
-							const email = formData.get('email')?.toString() ?? '';
-							const password = formData.get('password')?.toString() ?? '';
+							const email = (formData.get('email') ?? '') as string;
+							const password = (formData.get('password') ?? '') as string;
 
 							try {
 								await auth.api.signInEmail({
@@ -262,9 +262,9 @@ export default defineAddon({
 						},
 						signUpEmail: async (event) => {
 							const formData = await event.request.formData();
-							const email = formData.get('email')?.toString() ?? '';
-							const password = formData.get('password')?.toString() ?? '';
-							const name = formData.get('name')?.toString() ?? '';
+							const email = (formData.get('email') ?? '') as string;
+							const password = (formData.get('password') ?? '') as string;
+							const name = (formData.get('name') ?? '') as string;
 
 							try {
 								await auth.api.signUpEmail({
@@ -290,8 +290,8 @@ export default defineAddon({
 						? `
 						signInSocial: async (event) => {
 							const formData = await event.request.formData();
-							const provider = formData.get('provider')?.toString() ?? 'github';
-							const callbackURL = formData.get('callbackURL')?.toString() ?? '/demo/better-auth';
+							const provider = (formData.get('provider') ?? 'github') as string;
+							const callbackURL = (formData.get('callbackURL') ?? '/demo/better-auth') as string;
 
 							const result = await auth.api.signInSocial({
 								body: {
@@ -316,7 +316,7 @@ export default defineAddon({
 					import { auth } from '$lib/server/auth';
 					${needsAPIError ? "import { APIError } from 'better-auth/api';" : ''}
 
-					export const load${ts(': PageServerLoad')} = async (event) => {
+					export const load${ts(': PageServerLoad')} = (event) => {
 						if (event.locals.user) {
 							return redirect(302, '/demo/better-auth');
 						}
@@ -405,7 +405,7 @@ export default defineAddon({
 					${ts("import type { PageServerLoad } from './$types';")}
 					import { auth } from '$lib/server/auth';
 
-					export const load${ts(': PageServerLoad')} = async (event) => {
+					export const load${ts(': PageServerLoad')} = (event) => {
 						if (!event.locals.user) {
 							return redirect(302, '/demo/better-auth/login');
 						}
@@ -443,6 +443,7 @@ export default defineAddon({
 						${s5(`let { data }${ts(': { data: PageServerData }')} = $props();`, `export let data${ts(': PageServerData')};`)}
 					</script>
 
+					<!-- eslint-disable @typescript-eslint/no-unsafe-member-access -->
 					<h1>Hi, {data.user.name}!</h1>
 					<p>Your user ID is {data.user.id}.</p>
 					<form method="post" action="?/signOut" use:enhance>
diff --git a/packages/sv/src/addons/drizzle.ts b/packages/sv/src/addons/drizzle.ts
index 94a61e00d..094c3ab0b 100644
--- a/packages/sv/src/addons/drizzle.ts
+++ b/packages/sv/src/addons/drizzle.ts
@@ -410,6 +410,16 @@ export default defineAddon({
 
 			return generateCode();
 		});
+
+		if (typescript) {
+			sv.file('tsconfig.json', (content) => {
+				const { data, generateCode } = parse.json(content);
+				const file = `drizzle.config.${language}`;
+				if (!data.files) data.files = [];
+				if (!data.files.includes(file)) data.files.push(file);
+				return generateCode();
+			});
+		}
 	},
 	nextSteps: ({ options, packageManager }) => {
 		const steps: string[] = [];
diff --git a/packages/sv/src/addons/eslint.ts b/packages/sv/src/addons/eslint.ts
index 93b80ca4a..6c23f6fe9 100644
--- a/packages/sv/src/addons/eslint.ts
+++ b/packages/sv/src/addons/eslint.ts
@@ -153,5 +153,16 @@ export default defineAddon({
 		if (prettierInstalled) {
 			sv.file(files.eslintConfig, addEslintConfigPrettier);
 		}
+
+		if (typescript) {
+			sv.file('tsconfig.json', (content) => {
+				const { data, generateCode } = parse.json(content);
+				if (!data.files) data.files = [];
+				for (const file of ['svelte.config.js', files.eslintConfig]) {
+					if (!data.files.includes(file)) data.files.push(file);
+				}
+				return generateCode();
+			});
+		}
 	}
 });
diff --git a/packages/sv/src/addons/paraglide.ts b/packages/sv/src/addons/paraglide.ts
index 53ac29d76..4dbc46e64 100644
--- a/packages/sv/src/addons/paraglide.ts
+++ b/packages/sv/src/addons/paraglide.ts
@@ -85,7 +85,9 @@ export default defineAddon({
 			});
 
 			const expression = js.common.parseExpression(
-				'(request) => deLocalizeUrl(request.url).pathname'
+				language === 'ts'
+					? '(request: { url: URL }) => deLocalizeUrl(request.url).pathname'
+					: '(request) => deLocalizeUrl(request.url).pathname'
 			);
 			const rerouteIdentifier = js.variables.declaration(ast, {
 				kind: 'const',
@@ -184,7 +186,8 @@ export default defineAddon({
 			svelte.addFragment(
 				ast,
 				`<div style="display:none">
-	{#each locales as locale}
+	{#each locales as locale (locale)}
+		<!-- eslint-disable-next-line svelte/no-navigation-without-resolve -->
 		<a href={localizeHref(page.url.pathname, { locale })}>{locale}</a>
 	{/each}
 </div>`
diff --git a/packages/sv/src/addons/playwright.ts b/packages/sv/src/addons/playwright.ts
index d886ec498..2382d0c92 100644
--- a/packages/sv/src/addons/playwright.ts
+++ b/packages/sv/src/addons/playwright.ts
@@ -37,6 +37,17 @@ export default defineAddon({
 				`;
 		});
 
+		if (language === 'ts') {
+			sv.file('tsconfig.json', (content) => {
+				const { data, generateCode } = parse.json(content);
+				if (!data.files) data.files = [];
+				for (const file of [`playwright.config.ts`, `e2e/demo.test.ts`]) {
+					if (!data.files.includes(file)) data.files.push(file);
+				}
+				return generateCode();
+			});
+		}
+
 		sv.file(`playwright.config.${language}`, (content) => {
 			const { ast, generateCode } = parse.script(content);
 			const defineConfig = js.common.parseExpression('defineConfig({})');
diff --git a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
index 9cebde545..671636796 100644
--- a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
@@ -1,7 +1,8 @@
 <script lang="ts">
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/hooks.ts b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/hooks.ts
index e75600b3e..0988131ea 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/hooks.ts
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/hooks.ts
@@ -1,3 +1,3 @@
 import { deLocalizeUrl } from '$lib/paraglide/runtime';
 
-export const reroute = (request) => deLocalizeUrl(request.url).pathname;
+export const reroute = (request: { url: URL }) => deLocalizeUrl(request.url).pathname;
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
index b22ec360f..f17ab4b7d 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
@@ -2,16 +2,18 @@
 	import { page } from '$app/state';
 	import { locales, localizeHref } from '$lib/paraglide/runtime';
 	import './layout.css';
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head><link rel="icon" href={favicon} /></svelte:head>
 {@render children()}
 
 <div style="display:none">
-	{#each locales as locale}
+	{#each locales as locale (locale)}
+		<!-- eslint-disable-next-line svelte/no-navigation-without-resolve -->
 		<a href={localizeHref(page.url.pathname, { locale })}>{locale}</a>
 	{/each}
 </div>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.server.ts b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.server.ts
index 7c3083543..92a1f2ec3 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.server.ts
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.server.ts
@@ -3,7 +3,7 @@ import type { Actions } from './$types';
 import type { PageServerLoad } from './$types';
 import { auth } from '$lib/server/auth';
 
-export const load: PageServerLoad = async (event) => {
+export const load: PageServerLoad = (event) => {
 	if (!event.locals.user) {
 		return redirect(302, '/demo/better-auth/login');
 	}
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
index 87a24ab7c..900ba24e6 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
@@ -5,6 +5,7 @@
 	let { data }: { data: PageServerData } = $props();
 </script>
 
+<!-- eslint-disable @typescript-eslint/no-unsafe-member-access -->
 <h1>Hi, {data.user.name}!</h1>
 <p>Your user ID is {data.user.id}.</p>
 <form method="post" action="?/signOut" use:enhance>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/login/+page.server.ts b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/login/+page.server.ts
index 2ddbc0e7c..e5f3c649d 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/login/+page.server.ts
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/login/+page.server.ts
@@ -4,7 +4,7 @@ import type { PageServerLoad } from './$types';
 import { auth } from '$lib/server/auth';
 import { APIError } from 'better-auth/api';
 
-export const load: PageServerLoad = async (event) => {
+export const load: PageServerLoad = (event) => {
 	if (event.locals.user) {
 		return redirect(302, '/demo/better-auth');
 	}
@@ -14,8 +14,8 @@ export const load: PageServerLoad = async (event) => {
 export const actions: Actions = {
 	signInEmail: async (event) => {
 		const formData = await event.request.formData();
-		const email = formData.get('email')?.toString() ?? '';
-		const password = formData.get('password')?.toString() ?? '';
+		const email = (formData.get('email') ?? '') as string;
+		const password = (formData.get('password') ?? '') as string;
 
 		try {
 			await auth.api.signInEmail({
@@ -36,9 +36,9 @@ export const actions: Actions = {
 	},
 	signUpEmail: async (event) => {
 		const formData = await event.request.formData();
-		const email = formData.get('email')?.toString() ?? '';
-		const password = formData.get('password')?.toString() ?? '';
-		const name = formData.get('name')?.toString() ?? '';
+		const email = (formData.get('email') ?? '') as string;
+		const password = (formData.get('password') ?? '') as string;
+		const name = (formData.get('name') ?? '') as string;
 
 		try {
 			await auth.api.signUpEmail({
@@ -60,8 +60,8 @@ export const actions: Actions = {
 	},
 	signInSocial: async (event) => {
 		const formData = await event.request.formData();
-		const provider = formData.get('provider')?.toString() ?? 'github';
-		const callbackURL = formData.get('callbackURL')?.toString() ?? '/demo/better-auth';
+		const provider = (formData.get('provider') ?? 'github') as string;
+		const callbackURL = (formData.get('callbackURL') ?? '/demo/better-auth') as string;
 
 		const result = await auth.api.signInSocial({
 			body: {
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/tsconfig.json b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/tsconfig.json
index 2c2ed3c4d..d61687cf7 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/tsconfig.json
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/tsconfig.json
@@ -11,10 +11,12 @@
 		"sourceMap": true,
 		"strict": true,
 		"moduleResolution": "bundler"
-	}
-	// Path aliases are handled by https://svelte.dev/docs/kit/configuration#alias
-	// except $lib which is handled by https://svelte.dev/docs/kit/configuration#files
-	//
-	// To make changes to top-level options such as include and exclude, we recommend extending
-	// the generated config; see https://svelte.dev/docs/kit/configuration#typescript
+	},
+	"files": [
+		"svelte.config.js",
+		"eslint.config.js",
+		"playwright.config.ts",
+		"e2e/demo.test.ts",
+		"drizzle.config.ts"
+	]
 }
diff --git a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
index 9cebde545..671636796 100644
--- a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
+++ b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
@@ -1,7 +1,8 @@
 <script lang="ts">
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head>

From 65c4fed2bac3836fc4fbe9def06fb00810d01a52 Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Fri, 27 Feb 2026 23:31:44 +0100
Subject: [PATCH 06/10] adding some fixes

---
 packages/sv/src/addons/better-auth.ts                      | 1 -
 packages/sv/src/addons/paraglide.ts                        | 4 ++--
 packages/sv/src/cli/tests/cli.ts                           | 7 +------
 .../tests/snapshots/create-only/src/routes/+layout.svelte  | 3 +--
 .../create-with-all-addons/src/routes/+layout.svelte       | 7 +++----
 .../src/routes/demo/better-auth/+page.svelte               | 1 -
 .../src/create/templates/minimal/src/routes/+layout.svelte | 3 +--
 7 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/packages/sv/src/addons/better-auth.ts b/packages/sv/src/addons/better-auth.ts
index 895c1d3ff..02386310b 100644
--- a/packages/sv/src/addons/better-auth.ts
+++ b/packages/sv/src/addons/better-auth.ts
@@ -443,7 +443,6 @@ export default defineAddon({
 						${s5(`let { data }${ts(': { data: PageServerData }')} = $props();`, `export let data${ts(': PageServerData')};`)}
 					</script>
 
-					<!-- eslint-disable @typescript-eslint/no-unsafe-member-access -->
 					<h1>Hi, {data.user.name}!</h1>
 					<p>Your user ID is {data.user.id}.</p>
 					<form method="post" action="?/signOut" use:enhance>
diff --git a/packages/sv/src/addons/paraglide.ts b/packages/sv/src/addons/paraglide.ts
index 4dbc46e64..f69cc3f70 100644
--- a/packages/sv/src/addons/paraglide.ts
+++ b/packages/sv/src/addons/paraglide.ts
@@ -183,12 +183,12 @@ export default defineAddon({
 				from: '$lib/paraglide/runtime'
 			});
 			js.imports.addNamed(ast.instance.content, { imports: ['page'], from: '$app/state' });
+			js.imports.addNamed(ast.instance.content, { imports: ['resolve'], from: '$app/paths' });
 			svelte.addFragment(
 				ast,
 				`<div style="display:none">
 	{#each locales as locale (locale)}
-		<!-- eslint-disable-next-line svelte/no-navigation-without-resolve -->
-		<a href={localizeHref(page.url.pathname, { locale })}>{locale}</a>
+		<a href={resolve(localizeHref(page.url.pathname, { locale }))}>{locale}</a>
 	{/each}
 </div>`
 			);
diff --git a/packages/sv/src/cli/tests/cli.ts b/packages/sv/src/cli/tests/cli.ts
index 5a3927a89..526ef4a4b 100644
--- a/packages/sv/src/cli/tests/cli.ts
+++ b/packages/sv/src/cli/tests/cli.ts
@@ -35,12 +35,7 @@ describe('cli', () => {
 				'mcp=ide:claude-code,cursor,gemini,opencode,vscode,other+setup:local'
 				// 'storybook' // No storybook addon during tests!
 			],
-			cmds: [
-				['i'],
-				['run', 'auth:schema'],
-				['run', 'build'],
-				['exec', 'eslint', '--', '.']
-			]
+			cmds: [['i'], ['run', 'auth:schema'], ['run', 'build'], ['exec', 'eslint', '--', '.']]
 		},
 		{
 			projectName: '@my-org/sv',
diff --git a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
index 671636796..9cebde545 100644
--- a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
@@ -1,8 +1,7 @@
 <script lang="ts">
-	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children }: { children: Snippet } = $props();
+	let { children } = $props();
 </script>
 
 <svelte:head>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
index f17ab4b7d..ff836b4be 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
@@ -1,11 +1,11 @@
 <script lang="ts">
+	import { resolve } from '$app/paths';
 	import { page } from '$app/state';
 	import { locales, localizeHref } from '$lib/paraglide/runtime';
 	import './layout.css';
-	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children }: { children: Snippet } = $props();
+	let { children } = $props();
 </script>
 
 <svelte:head><link rel="icon" href={favicon} /></svelte:head>
@@ -13,7 +13,6 @@
 
 <div style="display:none">
 	{#each locales as locale (locale)}
-		<!-- eslint-disable-next-line svelte/no-navigation-without-resolve -->
-		<a href={localizeHref(page.url.pathname, { locale })}>{locale}</a>
+		<a href={resolve(localizeHref(page.url.pathname, { locale }))}>{locale}</a>
 	{/each}
 </div>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
index 900ba24e6..87a24ab7c 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/demo/better-auth/+page.svelte
@@ -5,7 +5,6 @@
 	let { data }: { data: PageServerData } = $props();
 </script>
 
-<!-- eslint-disable @typescript-eslint/no-unsafe-member-access -->
 <h1>Hi, {data.user.name}!</h1>
 <p>Your user ID is {data.user.id}.</p>
 <form method="post" action="?/signOut" use:enhance>
diff --git a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
index 671636796..9cebde545 100644
--- a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
+++ b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
@@ -1,8 +1,7 @@
 <script lang="ts">
-	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children }: { children: Snippet } = $props();
+	let { children } = $props();
 </script>
 
 <svelte:head>

From ee6fda0bf86eb4f36636431a56e3bacac1bec37f Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Sun, 1 Mar 2026 17:07:05 +0100
Subject: [PATCH 07/10] snap

---
 .../create-with-all-addons/src/routes/+layout.svelte          | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
index ff836b4be..0a86b1b0b 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
@@ -13,6 +13,8 @@
 
 <div style="display:none">
 	{#each locales as locale (locale)}
-		<a href={resolve(localizeHref(page.url.pathname, { locale }))}>{locale}</a>
+		<a
+			href={resolve(localizeHref(page.url.pathname, { locale }))}
+		>{locale}</a>
 	{/each}
 </div>

From 81c7dc54fd8fb096ed69dd688e282db5e2f5856b Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Sun, 1 Mar 2026 18:10:12 +0100
Subject: [PATCH 08/10] 1.4

---
 packages/sv/src/addons/better-auth.ts                         | 4 ++--
 .../cli/tests/snapshots/create-with-all-addons/package.json   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/sv/src/addons/better-auth.ts b/packages/sv/src/addons/better-auth.ts
index 357806ecf..9ec3ce601 100644
--- a/packages/sv/src/addons/better-auth.ts
+++ b/packages/sv/src/addons/better-auth.ts
@@ -50,8 +50,8 @@ export default defineAddon({
 
 		let drizzleDialect: Dialect;
 
-		sv.devDependency('better-auth', '^1.4.18');
-		sv.devDependency('@better-auth/cli', '^1.4.18');
+		sv.devDependency('better-auth', '~1.4.18');
+		sv.devDependency('@better-auth/cli', '~1.4.18');
 
 		sv.file(`drizzle.config.${language}`, (content) => {
 			const { ast, generateCode } = parse.script(content);
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/package.json b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/package.json
index 5cd80f37d..c8a3d3e3a 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/package.json
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/package.json
@@ -22,7 +22,7 @@
 		"auth:schema": "better-auth generate --config src/lib/server/auth.ts --output src/lib/server/db/auth.schema.ts --yes"
 	},
 	"devDependencies": {
-		"@better-auth/cli": "^1.4.18",
+		"@better-auth/cli": "~1.4.18",
 		"@eslint/compat": "^2.0.2",
 		"@eslint/js": "^9.39.2",
 		"@inlang/paraglide-js": "^2.10.0",
@@ -35,7 +35,7 @@
 		"@tailwindcss/typography": "^0.5.19",
 		"@tailwindcss/vite": "^4.1.18",
 		"@vitest/browser-playwright": "^4.0.18",
-		"better-auth": "^1.4.18",
+		"better-auth": "~1.4.18",
 		"drizzle-kit": "^0.31.8",
 		"drizzle-orm": "^0.45.1",
 		"eslint": "^9.39.2",

From 231a51a78617e1156919fef0040ceb9e9c0be49e Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Sun, 1 Mar 2026 18:30:16 +0100
Subject: [PATCH 09/10] only ONE left

---
 packages/sv/src/addons/better-auth.ts            | 16 +++++++++++++++-
 packages/sv/src/cli/tests/cli.ts                 |  7 ++++++-
 .../create-with-all-addons/src/app.d.ts          |  5 +++--
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/packages/sv/src/addons/better-auth.ts b/packages/sv/src/addons/better-auth.ts
index 9ec3ce601..e9934b6d3 100644
--- a/packages/sv/src/addons/better-auth.ts
+++ b/packages/sv/src/addons/better-auth.ts
@@ -164,6 +164,20 @@ export default defineAddon({
 				isType: true
 			});
 
+			// Add UserInfo interface that extends User with explicit properties
+			// so that type-checked eslint can resolve member access (due to better-auth/minimal not exporting User)
+			const userInfoInterface = js.common.parseStatement(
+				'interface UserInfo extends User { id: string; name: string; }'
+			);
+			const declareGlobalIndex = ast.body.findIndex(
+				(node: AstTypes.Node) => node.type === 'TSModuleDeclaration'
+			);
+			if (declareGlobalIndex !== -1) {
+				ast.body.splice(declareGlobalIndex, 0, userInfoInterface);
+			} else {
+				ast.body.push(userInfoInterface);
+			}
+
 			const locals = js.kit.addGlobalAppInterface(ast, { name: 'Locals' });
 			if (!locals) {
 				throw new Error('Failed detecting `locals` interface in `src/app.d.ts`');
@@ -180,7 +194,7 @@ export default defineAddon({
 			);
 
 			if (!user) {
-				locals.body.body.push(js.common.createTypeProperty('user', 'User', true));
+				locals.body.body.push(js.common.createTypeProperty('user', 'UserInfo', true));
 			}
 			if (!session) {
 				locals.body.body.push(js.common.createTypeProperty('session', 'Session', true));
diff --git a/packages/sv/src/cli/tests/cli.ts b/packages/sv/src/cli/tests/cli.ts
index 6b37c15db..9d98131f0 100644
--- a/packages/sv/src/cli/tests/cli.ts
+++ b/packages/sv/src/cli/tests/cli.ts
@@ -35,7 +35,12 @@ describe('cli', () => {
 				'mcp=ide:claude-code,cursor,gemini,opencode,vscode,other+setup:local'
 				// 'storybook' // No storybook addon during tests!
 			],
-			cmds: [['i'], ['run', 'auth:schema'], ['run', 'build'], ['exec', 'eslint', '--', '.']]
+			cmds: [
+				['i'],
+				['run', 'auth:schema'],
+				['run', 'build'], // needed for paraglide addon
+				['exec', 'eslint', '--', '.']
+			]
 		},
 		{
 			projectName: '@my-org/sv',
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
index 87f8dbd97..413d2f670 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
@@ -1,10 +1,11 @@
 import type { User, Session } from 'better-auth/minimal';
 
-// See https://svelte.dev/docs/kit/types#app.d.ts
+interface // See https://svelte.dev/docs/kit/types#app.d.ts UserInfo extends User { id: string; name: string }
+
 // for information about these interfaces
 declare global {
 	namespace App {
-		interface Locals { user?: User; session?: Session }
+		interface Locals { user?: UserInfo; session?: Session }
 
 		// interface Error {}
 		// interface PageData {}

From 940f25ef34490fc4049ce9b14d90742bdce61997 Mon Sep 17 00:00:00 2001
From: jycouet <jycouet@gmail.com>
Date: Sun, 1 Mar 2026 18:59:23 +0100
Subject: [PATCH 10/10] better auth

---
 packages/sv/src/addons/better-auth.ts         | 21 +++++++------------
 .../create-only/src/routes/+layout.svelte     |  3 ++-
 .../create-with-all-addons/src/app.d.ts       |  5 +++--
 .../src/routes/+layout.svelte                 |  3 ++-
 .../minimal/src/routes/+layout.svelte         |  3 ++-
 5 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/packages/sv/src/addons/better-auth.ts b/packages/sv/src/addons/better-auth.ts
index e9934b6d3..2afbed850 100644
--- a/packages/sv/src/addons/better-auth.ts
+++ b/packages/sv/src/addons/better-auth.ts
@@ -164,25 +164,18 @@ export default defineAddon({
 				isType: true
 			});
 
-			// Add UserInfo interface that extends User with explicit properties
-			// so that type-checked eslint can resolve member access (due to better-auth/minimal not exporting User)
-			const userInfoInterface = js.common.parseStatement(
-				'interface UserInfo extends User { id: string; name: string; }'
-			);
-			const declareGlobalIndex = ast.body.findIndex(
-				(node: AstTypes.Node) => node.type === 'TSModuleDeclaration'
-			);
-			if (declareGlobalIndex !== -1) {
-				ast.body.splice(declareGlobalIndex, 0, userInfoInterface);
-			} else {
-				ast.body.push(userInfoInterface);
-			}
-
 			const locals = js.kit.addGlobalAppInterface(ast, { name: 'Locals' });
 			if (!locals) {
 				throw new Error('Failed detecting `locals` interface in `src/app.d.ts`');
 			}
 
+			// Add UserInfo interface with explicit properties
+			// as better-auth/minimal does not export User type
+			js.common.appendFromString(ast, {
+				code: 'interface UserInfo extends User { id: string; name: string; }',
+				comments
+			});
+
 			// remove the commented out placeholder since we're adding the real one
 			comments.remove((c) => c.type === 'Line' && c.value.trim() === 'interface Locals {}');
 
diff --git a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
index 9cebde545..671636796 100644
--- a/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-only/src/routes/+layout.svelte
@@ -1,7 +1,8 @@
 <script lang="ts">
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head>
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
index 413d2f670..8c917b12e 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/app.d.ts
@@ -1,7 +1,6 @@
 import type { User, Session } from 'better-auth/minimal';
 
-interface // See https://svelte.dev/docs/kit/types#app.d.ts UserInfo extends User { id: string; name: string }
-
+// See https://svelte.dev/docs/kit/types#app.d.ts
 // for information about these interfaces
 declare global {
 	namespace App {
@@ -15,3 +14,5 @@ declare global {
 }
 
 export {};
+
+interface UserInfo extends User { id: string; name: string }
diff --git a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
index 0a86b1b0b..78dc893ec 100644
--- a/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
+++ b/packages/sv/src/cli/tests/snapshots/create-with-all-addons/src/routes/+layout.svelte
@@ -3,9 +3,10 @@
 	import { page } from '$app/state';
 	import { locales, localizeHref } from '$lib/paraglide/runtime';
 	import './layout.css';
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head><link rel="icon" href={favicon} /></svelte:head>
diff --git a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
index 9cebde545..671636796 100644
--- a/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
+++ b/packages/sv/src/create/templates/minimal/src/routes/+layout.svelte
@@ -1,7 +1,8 @@
 <script lang="ts">
+	import type { Snippet } from 'svelte';
 	import favicon from '$lib/assets/favicon.svg';
 
-	let { children } = $props();
+	let { children }: { children: Snippet } = $props();
 </script>
 
 <svelte:head>