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The day a billing agent refunded $42,000 by accident In February 2026, one of our internal agents — a refund-triage bot running on Claude Opus 4.7 — issued a perfectly polite, perfectly catastrophic chain of refunds totaling around $42,000 before our...
We Rebuilt Our RAG Pipeline 4 Times — Here's the Architecture That Finally Served 50K Daily Queries Under 800ms Our first RAG system hit 91% user satisfaction in demos and 34% in production. This is the brutal post-mortem of 4 rebuilds, 3 fired vendo...
