Prep interviews with Claude. Any advice?

A user is utilizing Claude to prepare for job interviews, providing it with vacancy details, mockups, and portfolios. While Claude effectively identifies weaknesses in the user's presentation, the user feels the questions are too tailored to their specific work cases rather than general interview questions. They suspect Claude engineers questions to allow answers based on their provided case information. The user is seeking advice and success stories from others who have used Claude for interview preparation, specifically regarding the relevance of Claude's questions and recommended answers to actual interviews.