Fix remaining any types and enable strict mode

src/components/auth/AuthModal.tsx

@@ -18,6 +18,7 @@ import { setAuthMethod } from '@/lib/sessionFlags';
 import { validateEmailNotDisposable } from '@/lib/emailValidation';
 import { getErrorMessage } from '@/lib/errorHandler';
 import { logger } from '@/lib/logger';
+import type { SignInOptions } from '@/types/supabase-auth';
 
 interface AuthModalProps {
   open: boolean;
@@ -70,7 +71,7 @@ export function AuthModal({ open, onOpenChange, defaultTab = 'signin' }: AuthMod
     setSignInCaptchaToken(null);
 
     try {
-      const signInOptions: any = {
+      const signInOptions: SignInOptions = {
         email: formData.email,
         password: formData.password,
       };