After building RAG + multi-step agent systems, three lessons stood out:
- Good ingestion determines everything downstream. If extraction isn’t deterministic, nothing else is.
- Verification is non-negotiable. Without schema/citation checking, errors spread quickly.
- You need clear tool contracts. The agent can’t compensate for unknown input/output formats.
If you’ve built retrieval or agent pipelines, what stability issues did you run into?
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