diff --git a/src/agents/auth-profiles.resolve-auth-profile-order.does-not-prioritize-lastgood-round-robin-ordering.test.ts b/src/agents/auth-profiles.resolve-auth-profile-order.does-not-prioritize-lastgood-round-robin-ordering.test.ts
index a13ce8fd0..3e6437d7d 100644
--- a/src/agents/auth-profiles.resolve-auth-profile-order.does-not-prioritize-lastgood-round-robin-ordering.test.ts
+++ b/src/agents/auth-profiles.resolve-auth-profile-order.does-not-prioritize-lastgood-round-robin-ordering.test.ts
@@ -118,6 +118,50 @@ describe("resolveAuthProfileOrder", () => {
     },
   );
 
+  it.each(["store", "config"] as const)(
+    "keeps OpenRouter explicit order even when cooldown fields exist (%s)",
+    (orderSource) => {
+      const now = Date.now();
+      const explicitOrder = ["openrouter:default", "openrouter:work"];
+      const order = resolveAuthProfileOrder({
+        cfg:
+          orderSource === "config"
+            ? {
+                auth: {
+                  order: { openrouter: explicitOrder },
+                },
+              }
+            : undefined,
+        store: {
+          version: 1,
+          ...(orderSource === "store" ? { order: { openrouter: explicitOrder } } : {}),
+          profiles: {
+            "openrouter:default": {
+              type: "api_key",
+              provider: "openrouter",
+              key: "sk-or-default",
+            },
+            "openrouter:work": {
+              type: "api_key",
+              provider: "openrouter",
+              key: "sk-or-work",
+            },
+          },
+          usageStats: {
+            "openrouter:default": {
+              cooldownUntil: now + 60_000,
+              disabledUntil: now + 120_000,
+              disabledReason: "billing",
+            },
+          },
+        },
+        provider: "openrouter",
+      });
+
+      expect(order).toEqual(explicitOrder);
+    },
+  );
+
   it("mode: oauth config accepts both oauth and token credentials (issue #559)", () => {
     const now = Date.now();
     const storeWithBothTypes: AuthProfileStore = {