🐛 fix(auth): require name field in registration forms

Add required name field (min 2 chars) to all registration forms to fix
Better Auth validation error. Updates backend DTO, shared-auth service,
shared-auth-ui RegisterPage component, i18n translations, and all app
auth stores and register pages.

apps/calendar/apps/web/src/lib/stores/auth.svelte.ts

@@ -111,16 +111,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/calendar/apps/web/src/routes/(auth)/register/+page.svelte

@@ -12,8 +12,8 @@
 	// Get translations based on current locale
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/chat/apps/web/src/lib/stores/auth.svelte.ts

@@ -110,16 +110,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/chat/apps/web/src/routes/(auth)/register/+page.svelte

@@ -12,8 +12,8 @@
 	// Get translations based on current locale
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/clock/apps/web/src/lib/stores/auth.svelte.ts

@@ -110,16 +110,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/clock/apps/web/src/routes/(auth)/register/+page.svelte

@@ -10,8 +10,8 @@
 	// Get translations based on current locale
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/contacts/apps/web/src/lib/stores/auth.svelte.ts

@@ -110,16 +110,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/contacts/apps/web/src/routes/(auth)/register/+page.svelte

@@ -11,8 +11,8 @@
 
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/manacore/apps/web/src/lib/stores/auth.svelte.ts

@@ -116,19 +116,20 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password and name
 	 * @param email User email
 	 * @param password User password
+	 * @param name User's display name
 	 * @param referralCode Optional referral code for bonus credits
 	 */
-	async signUp(email: string, password: string, referralCode?: string) {
+	async signUp(email: string, password: string, name: string, referralCode?: string) {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password, referralCode);
+			const result = await authService.signUp(email, password, name, referralCode);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/manacore/apps/web/src/routes/(auth)/register/+page.svelte

@@ -9,8 +9,13 @@
 	// Get referral code from URL if present
 	let initialReferralCode = $derived($page.url.searchParams.get('ref') || '');
 
-	async function handleSignUp(email: string, password: string, referralCode?: string) {
-		return authStore.signUp(email, password, referralCode);
+	async function handleSignUp(
+		email: string,
+		password: string,
+		name: string,
+		referralCode?: string
+	) {
+		return authStore.signUp(email, password, name, referralCode);
 	}
 
 	async function handleValidateReferralCode(code: string) {

apps/manadeck/apps/web/src/lib/stores/auth.svelte.ts

@@ -92,10 +92,10 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
-		const result = await authService.signUp(email, password);
+	async signUp(email: string, password: string, name: string) {
+		const result = await authService.signUp(email, password, name);
 		if (result.success && !result.needsVerification) {
 			const userData = await authService.getUserFromToken();
 			user = toManaUser(userData);

apps/manadeck/apps/web/src/routes/(auth)/register/+page.svelte

@@ -5,8 +5,8 @@
 	import AppSlider from '$lib/components/AppSlider.svelte';
 	import { authStore } from '$lib/stores/auth.svelte';
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/picture/apps/web/src/lib/stores/auth.svelte.ts

@@ -115,7 +115,7 @@ export const authStore = {
 		}
 	},
 
-	async signUp(email: string, password: string): Promise<AuthResult> {
+	async signUp(email: string, password: string, name: string): Promise<AuthResult> {
 		const authService = await getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth service not available' };
@@ -123,7 +123,7 @@ export const authStore = {
 
 		try {
 			loading = true;
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (result.success) {
 				// Auto-login after signup

apps/todo/apps/web/src/lib/stores/auth.svelte.ts

@@ -143,16 +143,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/todo/apps/web/src/routes/(auth)/register/+page.svelte

@@ -11,8 +11,8 @@
 	// Get translations based on current locale
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>
 

apps/zitare/apps/web/src/lib/stores/auth.svelte.ts

@@ -131,16 +131,16 @@ export const authStore = {
 	},
 
 	/**
-	 * Sign up with email and password
+	 * Sign up with email, password, and name
 	 */
-	async signUp(email: string, password: string) {
+	async signUp(email: string, password: string, name: string) {
 		const authService = getAuthService();
 		if (!authService) {
 			return { success: false, error: 'Auth not available on server', needsVerification: false };
 		}
 
 		try {
-			const result = await authService.signUp(email, password);
+			const result = await authService.signUp(email, password, name);
 
 			if (!result.success) {
 				return { success: false, error: result.error || 'Signup failed', needsVerification: false };

apps/zitare/apps/web/src/routes/(auth)/register/+page.svelte

@@ -10,8 +10,8 @@
 
 	const translations = $derived(getRegisterTranslations($locale || 'de'));
 
-	async function handleSignUp(email: string, password: string) {
-		return authStore.signUp(email, password);
+	async function handleSignUp(email: string, password: string, name: string) {
+		return authStore.signUp(email, password, name);
 	}
 </script>