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A3 · Software Design Specification · Version 1.0 · 7 September 2026

The Sprint 1 design baseline. Kept unchanged as the record of the design at the end of Sprint 1.

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Controlled document


Document Software Design Specification

Version 1.0

Date 7 September 2026

Written by The Culprit project team

Companion SRS v1.0

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Superseded by


A3 — SDS v2.0 — Issued

Issued 6 October 2026

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Design decisions

Architecture decision records