gof-observer-dangling-reference-on-subject-delete

Status: IN

When a subject is deleted, it must notify observers so they can reset their references; simply deleting observers is unsafe because they may observe other subjects.

Source: entries/2026/06/17/gof-oo-chunk-19.md

Depended on by

• event-architecture-discipline-bounded-by-observer-liabilities
• observer-command-event-architecture-production-ready
• observer-notification-three-design-decisions

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