field-notes 25
- Migrating from Prototype to Platform Without a Rewrite
- Cross-Org Agent Handoffs: Where Interoperability Gets Hard
- Prompt Caching Strategies That Actually Move the Cost Needle
- Budgeting a Context Window Like It's a Scarce Resource
- Spec Failures: Three Case Studies and What Went Wrong
- Spec-Driven Refactors of Code Nobody Wants to Touch
- Handling Genuine Ambiguity in a Spec
- Writing Specs for a Legacy Migration, Not Just Greenfield Code
- Detecting Spec Drift Before It Becomes Tech Debt
- The Performance Overhead of Guardrails, Measured
- Tuning Guardrails to Cut False Positives Without Opening Holes
- Layered Defense: Why One Guardrail Is Never Enough
- The Hidden Cost of Running Your Own Evaluation Suite
- Retiring a Legacy Chatbot in Favor of an Agentic Rewrite
- Evaluating a Vector Database Migration Before You Commit
- Vendor Lock-In Tradeoffs in Managed Vector Databases
- Setting SLAs for an Agentic System Nobody Trusts Yet
- A Failure Taxonomy for RAG: Where Pipelines Actually Break
- Breaking Down the Real Cost of a RAG Pipeline
- Handling Stale Documents in a Live Knowledge Base
- Observability for RAG: What to Log Beyond the Final Answer
- Caching Retrieved Context Without Serving Stale Answers
- Setting a Latency Budget for a RAG Pipeline
- Field Note: What Broke in Our First Production Agent Rollout
- Field Note: Debugging a CrewAI Agent That Wouldn't Stop Looping