Implement a feature that allows users to choose their preferred AI service for engagement analysis and summarization. Users will have the ability to provide their own credentials for the selected AI, ensuring a personalized and secure experience. Additionally, they can customize the instructions given to the AI summarizer, tailoring its output to their specific needs and preferences. This might include setting parameters for the length of summaries, focus areas, tone, and style. This feature is designed to offer users greater control over AI interactions and outputs, enhancing the overall utility and personalization of the platform.