Quick question for people building with LLM APIs (3 questions, 2 min)

I'm building an open-source reference called AI Oversight Patterns, a catalog of software patterns for keeping humans in control of AI agents. Things like approval gates before irreversible actions, action whitelists, audit logs, that kind of thing. Before I go further, I want to make sure I'm solving a real gap and not just something that seems important to me. Three quick questions: 1. Are you currently building or maintaining an application that uses an LLM API (OpenAI, Anthropic, Gemini, e...