dashboard fix

apps/api/src/routes/auth.company.ts

@@ -21,6 +21,7 @@ const signupSchema = z.object({
   companyPhone: z.string().min(1).max(80),
   fax: z.string().max(80).optional(),
   yearsActive: z.string().min(1).max(80),
+  preferredLanguage: z.enum(['en', 'fr', 'ar']).default('en'),
   plan: z.enum(['STARTER', 'GROWTH', 'PRO']),
   billingPeriod: z.enum(['MONTHLY', 'ANNUAL']),
   currency: z.enum(['MAD', 'USD', 'EUR']),
@@ -196,6 +197,7 @@ router.post('/signup', async (req, res, next) => {
           phone: body.companyPhone,
           passwordHash,
           role: 'OWNER',
+          preferredLanguage: body.preferredLanguage,
           isActive: true,
         },
       })