Engineering Patterns
2 posts
Three Ways VCR Cassette Recording Lied to Me
Three vcr recording behaviors that never raise an error: the config beats the CLI flag, ambient traffic gets taped, and re-records append instead of replacing.
Cross-provider LLM failover without losing observability
Every LLM provider goes down eventually, so the obvious move is to retry against another one. The naive rescue-and-retry works until your bill spikes and the logs can't tell you how often failover fired or what it cost. Here's the version that keeps the receipts.
