Designing a portable, plug-in VPN appliance - WireGuard on Alpine Linux, small enough to reason about end to end.
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ksegit@kse:~/writing$ ls --by-date
Notes from building and breaking things - security, data plumbing, AI tooling.
The design of Version-Sentinel - a Claude Code hook that refuses dependency changes until the model cites a fresh registry check.
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Twelve bytes, two epochs, one endianness trap - parsing Parquet's deprecated INT96 timestamps in C# without shifting your data by whole eras.
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