fix(auth): scope clearAllAppData to active user; fix re-onboarding race; drop dead API call (#1816)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: Steven Enamakel <enamakel@tinyhumans.ai>

app/src/services/api/userApi.ts

@@ -1,5 +1,4 @@
 import type { User } from '../../types/api';
-import { apiClient } from '../apiClient';
 import { callCoreCommand } from '../coreCommandClient';
 
 /**
@@ -13,12 +12,4 @@ export const userApi = {
   getMe: async (): Promise<User> => {
     return await callCoreCommand<User>('openhuman.auth_get_me');
   },
-
-  /**
-   * Mark onboarding complete for the current user.
-   * POST /settings/onboarding-complete
-   */
-  onboardingComplete: async (): Promise<void> => {
-    await apiClient.post<{ success: boolean; data: unknown }>('/settings/onboarding-complete', {});
-  },
 };