// After close, report stale
        handle.close();
        assertTrue(handle.isStale(), "Closed handle reports stale");
    }

    @Test
    @DisplayName("getSessionKey propagates CIFSException from session acquisition")
    void getSessionKey_exception_propagates() throws Exception {
        SmbPipeHandleImpl handle = newHandleWithBasicStubs(0, "\\\\pipe\\\\sess");

            // No propagation
            int noPropagation = ACE.FLAGS_OBJECT_INHERIT | ACE.FLAGS_NO_PROPAGATE;
            assertTrue((noPropagation & ACE.FLAGS_NO_PROPAGATE) != 0, "Should include no propagate flag");
        }
    }

    @Nested
    @DisplayName("Interface Edge Case Handling")
    class InterfaceEdgeCaseTests {

        @Test

        try {
            failingFactory.destroyObject(pooledObject);
            fail("Should throw exception from close()");
        } catch (Exception e) {
            // Expected - exception should propagate from close()
            assertTrue(e.getMessage().contains("Intentional close failure"));
        }

        // Verify close was attempted
        assertTrue(component.isCloseCalled());
    }

    /**

            log.error("Failed to reconnect durable handle", reconnectError);
            throw new IOException("Connection lost and reconnection failed", e);
        }
    } else {
        throw e;  // No durable handle, propagate error
    }
}
```

### 6.3 Session Integration
```java
// In SmbSession.java
private PersistentHandleManager handleManager;

public SmbSession(CIFSContext context, SmbTransport transport) {