AIE
Infrastructure bugs look like reasoning failures
What it looked like
What it actually was
Agent can't find data
One-character extraction bug (50% → 73%)
Agent uses wrong quoting
SKILL.md had backwards examples
Agent times out constantly
Per-cell recalculation query instead of batch
Agent retries endlessly
API returning empty results intermittently
When the agent seems confused, check the plumbing first.
Engineering the future of AI