/**
 * @license
 * Copyright 2025 Vybestack LLC
 * SPDX-License-Identifier: Apache-2.0
 *
 * Behavioral tests for handleRefreshToken.
 * Verifies REAL token refresh through RefreshCoordinator.
 *
 * CRITICAL: Tests verify BACKING STORE state, not just response.
 * Tests verify rate limiting and deduplication behavior.
 *
 * @plan PLAN-20250217-CREDPROXY-REMEDIATION.P06
 */
export {};
