Field notes

Insights

Practical notes on AI platforms, agent workflows, and reliable software.

Agent workflow with a human approval checkpoint.

Engineering · October 2026

Agent workflows need control points, not just prompts

How to give AI agents useful autonomy while keeping permissions, human review, and retries inside clear boundaries.

Read article →Three model providers compared through routing and service tradeoffs.

Engineering · October 2026

Model routing is a product decision disguised as infrastructure

A practical framework for routing models around task quality, latency, cost, privacy boundaries, and provider health.

Read article →Protected data surrounded by access boundaries and an auditable event trail.

Engineering · October 2026

Auditability belongs in the AI system design

Design event trails and review paths that explain what an AI feature did, which configuration it used, and how it was approved.

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