Most mainframe troubleshooting RAGs fail at the same place: retrieval. An abend code like S0C7 is a near-exact lookup, not a fuzzy semantic match — but vector search happily returns the S0C4 chunk because the embeddings sit close together. And job dependencies are graph-shaped: an abend in step 3 cascades to …

The multi-agent space is fracturing fast. Teams pick LangGraph one quarter, switch to CrewAI the next, then discover Google ADK or AWS Strands and wonder if they should migrate again. Every switch costs weeks — ripping out abstractions, rewriting orchestration logic, re-testing state management. This is the exact problem Terraform solved …