Architecture Documentation (ARC42)

This section documents the architecture of fnirsi-ps-control using the ARC42 template, a pragmatic, lightweight structure for software and system architecture documentation.

Why ARC42?

See ADR-001 for the rationale.

Sections

#	Section	What it covers
1	Introduction and Goals	Requirements, quality goals, stakeholders
2	Architecture Constraints	Technical and organisational constraints
3	System Scope and Context	System boundaries, external interfaces
4	Solution Strategy	Fundamental technical decisions
5	Building Block View	Static decomposition into modules
6	Runtime View	Dynamic behaviour and interactions
7	Deployment View	Hardware, OS, and deployment topology
8	Cross-Cutting Concepts	Patterns applied throughout
9	Architecture Decisions	Key decisions (links to ADRs)
10	Quality Requirements	Quality tree and scenarios
11	Risks and Technical Debt	Known risks and debt
12	Glossary	Domain and technical terms