Show HN: PreFlight – A local AST background daemon to catch AI code drift (preflight-vibe.vercel.app)

PreFlight has launched as a local AST (Abstract Syntax Tree) background daemon, designed to catch AI code drift in real time while developers write code. Available as a VS Code extension, it proactively detects issues such as hallucinated code and schema drift that can breach security protocols, like Supabase RLS (Row-Level Security) policies. Users can test its capabilities with 10 complimentary fixes without needing an account, making it accessible for developers eager to enhance their coding environment. The significance of PreFlight lies in its ability to preemptively identify critical coding anomalies that could lead to security vulnerabilities or production failures. By integrating directly into the coding workflow, it aims to mitigate risks before code is committed, reducing dependency on post-commit processes like CI/CD checks. While it promises real-time protection, PreFlight is currently in beta and emphasizes that it should complement—rather than replace—manual code reviews by experienced developers, ensuring that AI-generated code meets the necessary structural standards before deployment.