arc42 Section 6: Runtime View

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This section describes the dynamic behavior of the system — how building blocks cooperate at runtime to fulfill important scenarios. It complements the static structure of Section 5.

Selection rule: 3–5 scenarios only. Choose what is architecturally interesting, not what is exhaustive. Every scenario must have a reason for being here.

Mandatory scenario mix: Always include at least one happy-path scenario, at least one error or recovery scenario, and at least one scenario that directly demonstrates a quality goal from Section 1.2.

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