AppDNALifecycleDelegate

```
public interface AppDNALifecycleDelegate

                    
```
SPEC-404 — backend-driven SDK lock-state observer. Fires once per state transition (idle <-> locked). Hosts use this to surface a custom "service unavailable" banner and trigger a one-shot event-queue retry on unlock.

Method Summary

Modifier and Type	Method	Description
`Unit`	`onSdkRuntimeLocked(String reason, String lockedAt)`	Fires once on idle to locked.
`Unit`	`onSdkRuntimeUnlocked()`	Fires once on locked to idle (next bootstrap returned no runtime_lock).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onSdkRuntimeLocked
```
 Unit onSdkRuntimeLocked(String reason, String lockedAt)
```
    Fires once on idle to locked. reason in {billing_overdue, manual_admin, org_cancelled}. lockedAt is ISO-8601 (raw string for cross-platform parity; host parses if it needs a Date).
  - onSdkRuntimeUnlocked
```
 Unit onSdkRuntimeUnlocked()
```
    Fires once on locked to idle (next bootstrap returned no runtime_lock).