Function cleanupSubscriptionIfIdle

cleanupSubscriptionIfIdle(
subscription: ShadowSubscriptionState,
transport: null | MQTTTransport,
): boolean
Unsubscribes from shadow topic when no listeners remain. Cleans up subscription state to avoid orphaned MQTT subscriptions.
Parameters
- subscription: ShadowSubscriptionState
  The shadow subscription state
- transport: null | MQTTTransport
  MQTT transport for unsubscribe
Returns boolean
true if unsubscribed, false otherwise
- Defined in src/services/NodeMQTTOrchestratorHelpers.ts:63