Good engineering has to be explainable.
A dependable system is not just one that works today. It is one that can be understood, changed and recovered when circumstances are less convenient.
01 — Architecture
Reduce hidden dependencies.
Clear boundaries, explicit assumptions and a reasonable path to change.
↗02 — OperationsMake recovery part of design.
Useful checks, deliberate failure behaviour and ordinary operating procedures.
↗03 — DocumentationWrite for the next reader.
Decisions, risks and runbooks that remain useful when people change.
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