fix: Properly handle signup errors

src/routes/login/+page.server.ts

@@ -59,7 +59,7 @@ export const actions = {
           status: 401,
         });
       } else {
-        return setError(form, 'password', (e as APIError).body.code as string);
+        return setError(form, 'password', (e as APIError).body.message as string);
       }
     }
 

src/routes/signup/+page.server.ts

@@ -5,6 +5,7 @@ import { redirect } from '@sveltejs/kit';
 import { fail, message, setError, superValidate } from 'sveltekit-superforms';
 import { zod } from 'sveltekit-superforms/adapters';
 import type { Actions } from './$types';
+import type { APIError } from 'better-auth/api';
 
 export async function load({ request }) {
   const session = await auth.api.getSession({
@@ -26,6 +27,7 @@ export const actions = {
     const password = form.data.password;
     const name = form.data.username;
 
+    try {
       if (!form.valid) {
         return fail(400, { form });
       }
@@ -52,10 +54,9 @@ export const actions = {
           maxAge: 604800,
           secure: !dev,
         });
-    } else {
-      return setError(form, 'verify', 'Invalid email or password', {
-        status: 401,
-      });
+      }
+    } catch (e) {
+      return setError(form, 'verify', (e as APIError).body.message as string);
     }
 
     return message(form, 'Successfuly signed in.');