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Learning notes: a sentence I believed about TLS interception was wrong, and working out why settled a separate architecture question — whether the L7 proxy belongs on every node.

July 25, 2026 · 20 min · 4051 words · Boteng Yao

Agent Substrate: Running a Million Sleeping Agents on Kubernetes

A first-principles tour of the open-source Agent Substrate project — the problem it solves, the four-plane architecture it builds on top of Kubernetes, how nodes, pods, and actors relate, and the design tensions it still has to resolve.

July 11, 2026 · 11 min · 2266 words · Boteng Yao