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All writing

Notes on reliability.

Ideas and decisions from the things I’m building.

4 min read
Building Flightdeck Tools

Evidence without automatic green lights

Why repository health, configuration baselines, and review receipts distinguish a verified observation from approval or certainty.

5 min read
Building Flightdeck Tools

State that survives the terminal

Four small tools for durable messages, lifecycle history, generation-safe progress, and decisions whose original wording remains intact.

8 min read
Building Helmsman

Moving the scheduler without running the work twice

A cutover trace from Helmsman's move to Kubernetes CronJobs: one declared owner per job, a revision-pinned switch, a rollback that could not be a revert, and alerts that had to move too.

6 min read
Building Helmsman

Building a real-time news parsing pipeline

One synthetic headline traced through a partial observation, an upgrade, duplicate deliveries, an edit and a retraction, using the ingestion writer's real storage contract.