/claim #9909, This PR adds JVM-only lifecycle tests for ZIOAppDefault, including:

• Finalizer execution (FinalizingApp)
• Logging verification (LoggingApp)
• Timeout enforcement (TimeoutApp) Also fixes shared specs (ZIOAppSpec, ZIOAppArgsSpec) to ensure CI passes cleanly. All tests pass locally via:

sbt "coreTestsJVM/test".
Demo link: https://drive.google.com/file/d/1lajDuu3_lgYCJ7LELGwGWgPYWmH593sJ/view?usp=sharing.