Get complete user profile

Retrieve the complete user profile with all available fields including system information, verification status, and timestamps. **Authentication Required:** Yes - Valid JWT token in Authorization header **User Identification:** The system supports finding users by ID, email, or phone number from the authentication token. **Response includes:** - **Complete User Data**: All user fields from the database - **System Information**: id, email, phoneNumber, verification status - **Timestamps**: createdAt, updatedAt, lastLoginAt, lastLogoutAt - **Status Information**: onboardingComplete, status, authMethod - **Terms & Marketing**: termsAccepted, termsAcceptedAt, marketingAccepted, marketingAcceptedAt **Usage:** 1. Generate a test token using the `/auth/generate-test-token` endpoint 2. Include the token in the Authorization header: `Bearer <token>` 3. Call this endpoint to retrieve the complete user profile **Note:** This endpoint returns all available user data, unlike the basic profile endpoint which returns only essential fields. The system will automatically find the user by ID, email, or phone number from the token.