name: agents-canonical-rules-async description: Canonical rules — cubit lifecycle, subscriptions, timers, stream safety, widget async/mounted, coordinators. Part of agents-canonical-rules split.
Lifecycle & async safety
Slice of agents-canonical-rules. Canon: agents-shared-patterns, agents-common-pitfalls, docs/CODE_QUALITY.md.
Open when touching cubit emit/subscriptions/timers/streams/mounted — full rules in shared patterns + CODE_QUALITY, not here.