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Ship & operateEngineering handbook

Engineering handbook

Updated Verified against f25ab97 on 2026-09-25

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ChatGPT and Claude are third-party services. The link gives them this page's public address and a short instruction. This site records nothing.

The operating manual for this repository. Start with the invariants: they are non-negotiable, and the prime directive overrides everything else.

Related: CONTRIBUTING · architecture · ADRs · process & runbooks · Answer Protocol (sggs-data).