✨ feat(auth): add resend verification email to all login pages

Add ability to resend verification email when login fails with
"Email not verified" error. Implemented across all 14 apps using
Mana Core Auth.

Changes:
- Add POST /api/v1/auth/resend-verification endpoint to mana-core-auth
- Add resendVerificationEmail method to shared-auth client
- Update LoginPage component with resend UI and translations
- Add resendVerificationEmail to all app auth stores
- Add translations for de, en, fr, es, it
- Add PlantaLogo to shared-branding
- Migrate planta login to shared LoginPage component

services/mana-core-auth/src/auth/auth.controller.ts

@@ -20,6 +20,7 @@ import { AcceptInvitationDto } from './dto/accept-invitation.dto';
 import { SetActiveOrganizationDto } from './dto/set-active-organization.dto';
 import { ForgotPasswordDto } from './dto/forgot-password.dto';
 import { ResetPasswordDto } from './dto/reset-password.dto';
+import { ResendVerificationDto } from './dto/resend-verification.dto';
 import { JwtAuthGuard } from '../common/guards/jwt-auth.guard';
 
 /**
@@ -173,6 +174,21 @@ export class AuthController {
 		);
 	}
 
+	/**
+	 * Resend verification email
+	 *
+	 * Sends a new verification email to the user.
+	 * Always returns success to prevent email enumeration attacks.
+	 */
+	@Post('resend-verification')
+	@HttpCode(HttpStatus.OK)
+	async resendVerification(@Body() resendVerificationDto: ResendVerificationDto) {
+		return this.betterAuthService.resendVerificationEmail(
+			resendVerificationDto.email,
+			resendVerificationDto.sourceAppUrl
+		);
+	}
+
 	// =========================================================================
 	// B2B Registration
 	// =========================================================================

services/mana-core-auth/src/auth/dto/resend-verification.dto.ts

@@ -0,0 +1,10 @@
+import { IsEmail, IsOptional, IsString } from 'class-validator';
+
+export class ResendVerificationDto {
+	@IsEmail()
+	email: string;
+
+	@IsOptional()
+	@IsString()
+	sourceAppUrl?: string;
+}

services/mana-core-auth/src/auth/services/better-auth.service.ts

@@ -996,6 +996,49 @@ export class BetterAuthService {
 		}
 	}
 
+	/**
+	 * Resend verification email
+	 *
+	 * Sends a new verification email to the user.
+	 * Uses Better Auth's sendVerificationEmail API.
+	 *
+	 * @param email - User's email address
+	 * @param sourceAppUrl - Optional URL to redirect after verification
+	 * @returns Success status (always returns success to prevent email enumeration)
+	 */
+	async resendVerificationEmail(
+		email: string,
+		sourceAppUrl?: string
+	): Promise<{ success: boolean; message: string }> {
+		try {
+			// Store source app URL for email verification redirect
+			if (sourceAppUrl) {
+				sourceAppStore.set(email, sourceAppUrl);
+			}
+
+			// Better Auth's sendVerificationEmail method
+			// See: https://www.better-auth.com/docs/authentication/email-verification
+			const api = this.auth.api as any;
+
+			await api.sendVerificationEmail({
+				body: { email },
+			});
+
+			// Always return success to prevent email enumeration
+			return {
+				success: true,
+				message: 'If an account with that email exists, a verification email has been sent',
+			};
+		} catch (error) {
+			console.error('[resendVerificationEmail] Error:', error);
+			// Always return success to prevent email enumeration attacks
+			return {
+				success: true,
+				message: 'If an account with that email exists, a verification email has been sent',
+			};
+		}
+	}
+
 	/**
 	 * Get JWKS (JSON Web Key Set)
 	 *