Add debug logging for OTP auth flow

src/hooks/useAuth.tsx

@@ -107,20 +107,35 @@ export function AuthProvider({ children }: { children: ReactNode }) {
   const sendAuthOTP = async (userId: string, email: string) => {
     try {
       const { data: { session } } = await supabase.auth.getSession();
+      const token = session?.access_token || import.meta.env.VITE_SUPABASE_ANON_KEY;
+
+      console.log('Sending OTP request', { userId, email, hasSession: !!session });
 
       const response = await fetch(
         `${import.meta.env.VITE_SUPABASE_URL}/functions/v1/send-auth-otp`,
         {
           method: 'POST',
           headers: {
-            'Authorization': `Bearer ${session?.access_token || import.meta.env.VITE_SUPABASE_ANON_KEY}`,
+            'Authorization': `Bearer ${token}`,
             'Content-Type': 'application/json',
           },
           body: JSON.stringify({ user_id: userId, email }),
         }
       );
 
+      console.log('OTP response status:', response.status);
+
+      if (!response.ok) {
+        const errorText = await response.text();
+        console.error('OTP request failed:', response.status, errorText);
+        return {
+          success: false,
+          message: `HTTP ${response.status}: ${errorText}`
+        };
+      }
+
       const result = await response.json();
+      console.log('OTP result:', result);
       return result;
     } catch (error: any) {
       console.error('Error sending OTP:', error);