JPLI Batch Error Analyzer

Automated batch error analysis platform for mainframe environments running JPLI applications (COBOL to Java migrations), built for a Spanish Tier 1 bank. A team of 6 specialized LLM agents (JCL scripts, stdout logs, XML stacktraces, JPLI/Java code, correlation and report generation) processes ZIP files with error evidence, correlates the different sources and produces technical reports with diagnosis, root cause, impact and an actionable correction plan. FastAPI backend, React/Vite frontend and Supabase authentication. Confidential client project.