if (state.compareAndSet(State.OPEN, State.HALF_OPEN)) {
                    stateChangeTime.set(System.currentTimeMillis());
                    halfOpenSuccesses.set(0);
                    log.info("Circuit breaker {} transitioning from OPEN to HALF_OPEN", name);
                    return State.HALF_OPEN;
                }
                // Another thread changed the state, re-evaluate

    @Test
    @DisplayName("Test transition to HALF_OPEN after timeout")
    void testTransitionToHalfOpen() throws Exception {
        // Open the circuit
        circuitBreaker.tripBreaker();
        assertEquals(SimpleCircuitBreaker.State.OPEN, circuitBreaker.getState());

        // Wait for timeout
        Thread.sleep(150);

        // Next call should transition to HALF_OPEN

            if (currentState == State.OPEN && shouldAttemptReset()) {
                log.debug("[{}] Attempting to reset circuit breaker from OPEN to HALF_OPEN", name);
                transitionTo(State.HALF_OPEN);
                currentState = State.HALF_OPEN;
            }

            // Block if circuit is open
            if (currentState == State.OPEN) {
                totalRequests.incrementAndGet();