f41705ce3a
- Added Python prelude caching to improve startup performance by caching helper functions and module discovery results. - Added OMP_DEBUG_STARTUP environment variable for detailed startup stage tracing across initialization pipeline. - Changed Python kernel initialization to require shared gateway mode, removing support for local kernel gateway startup. - Improved error handling in shared gateway acquisition with automatic retries on 5xx status codes. - Added repro-stuck.ts script for reproducing and debugging rare CLI hang issues with Chrome DevTools integration. - Added trace-loader.ts preload script for tracing module resolution during startup diagnostics.