Agents

The 0.3% Bug That Wasn't

What I learned the embarrassing way about debugging a system that can be wrong and right in the same way. I spent a few days hardening my analytics agent against a bug it didn't have. It returned 0.

The Error Contract Matters More Than the Happy Path

What a production data agent taught me about treating tool failures as control flow, not exceptions.

The System Prompt Is the Last Resort

What I learned from a SQL subagent that hallucinated columns five times in a row, and the two-skill system I now run on every harness change.