Ttomsen_

Writing from the boundary

Field notes, not victory laps.

What failed, how it became reproducible, and which assumption the regression test now protects.

01
Kubernetes2026-08-29 · 5 min

The queue name was right. The identity was wrong.

How a missing namespace crossed a fair-sharing boundary, and how a small regression test made the bug undeniable.

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02
Agent runtime2026-08-24 · 4 min

Session isolation is not a logging detail

A process-global fallback looks harmless until two agent sessions run at the same time.

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03
Reliability2026-07-20 · 4 min

Cleanup bugs live at the process boundary

Why cancellation, bind, and retry windows deserve executable proofs rather than source-level suspicion.

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