fix: use custom profile endpoints for email/password change

src/lib/api.ts

@@ -95,31 +95,19 @@ class ApiClient {
     }
   }
 
-  // Account (email & password changes via Better Auth)
+  // Account (email & password changes via profile API)
   async changePassword(currentPassword: string, newPassword: string): Promise<void> {
-    const response = await fetch(`${AUTH_BASE}/api/auth/change-password`, {
+    return this.fetch('/profile/password', {
-      method: 'POST',
+      method: 'PUT',
-      headers: { 'Content-Type': 'application/json', ...this.authHeaders() },
-      credentials: 'include',
       body: JSON.stringify({ currentPassword, newPassword }),
     });
-    if (!response.ok) {
-      const error = await response.json().catch(() => ({ message: 'Failed to change password' }));
-      throw new Error(error.message || 'Failed to change password');
-    }
   }
 
   async changeEmail(newEmail: string): Promise<void> {
-    const response = await fetch(`${AUTH_BASE}/api/auth/change-email`, {
+    return this.fetch('/profile/email', {
-      method: 'POST',
+      method: 'PUT',
-      headers: { 'Content-Type': 'application/json', ...this.authHeaders() },
-      credentials: 'include',
       body: JSON.stringify({ newEmail }),
     });
-    if (!response.ok) {
-      const error = await response.json().catch(() => ({ message: 'Failed to change email' }));
-      throw new Error(error.message || 'Failed to change email');
-    }
   }
 
   // Profile