Written after the deployment, not before.

Your retrieval pipeline fails long before your LLM does. What three enterprise deployments taught me about chunking, freshness, and who should own the corpus.

An eval suite is a contract between your team and reality. How to write one that survives contact with the roadmap.

Multi-agent systems fail the way companies fail: unclear ownership, no escalation path. Borrow from management science, not sci-fi.

The job isn't picking models. It's translating between the board's risk appetite, the data team's reality, and what the technology can actually promise this quarter.