test(opencode): cover capped retry backoff with headers

Author: Bagnesium

packages/opencode/test/session/retry.test.ts

@@ -37,6 +37,12 @@ describe("session.retry.delay", () => {
     expect(delays).toStrictEqual([2000, 4000, 8000, 16000, 30000, 30000, 30000, 30000, 30000, 30000])
   })
 
+  test("caps delay at 30 seconds when headers omit retry hints", () => {
+    const error = apiError({ date: new Date().toUTCString() })
+    const delays = Array.from({ length: 10 }, (_, index) => SessionRetry.delay(index + 1, error))
+    expect(delays).toStrictEqual([2000, 4000, 8000, 16000, 30000, 30000, 30000, 30000, 30000, 30000])
+  })
+
   test("prefers retry-after-ms when shorter than exponential", () => {
     const error = apiError({ "retry-after-ms": "1500" })
     expect(SessionRetry.delay(4, error)).toBe(1500)