Use an exponential delay for API retries

src/core/__tests__/Cline.test.ts

@@ -730,25 +730,19 @@ describe("Cline", () => {
 				const iterator = cline.attemptApiRequest(0)
 				await iterator.next()
 
+				// Calculate expected delay for first retry
+				const baseDelay = 3 // from requestDelaySeconds
+
 				// Verify countdown messages
-				expect(saySpy).toHaveBeenCalledWith(
-					"api_req_retry_delayed",
-					expect.stringContaining("Retrying in 3 seconds"),
-					undefined,
-					true,
-				)
-				expect(saySpy).toHaveBeenCalledWith(
-					"api_req_retry_delayed",
-					expect.stringContaining("Retrying in 2 seconds"),
-					undefined,
-					true,
-				)
-				expect(saySpy).toHaveBeenCalledWith(
-					"api_req_retry_delayed",
-					expect.stringContaining("Retrying in 1 seconds"),
-					undefined,
-					true,
-				)
+				for (let i = baseDelay; i > 0; i--) {
+					expect(saySpy).toHaveBeenCalledWith(
+						"api_req_retry_delayed",
+						expect.stringContaining(`Retrying in ${i} seconds`),
+						undefined,
+						true,
+					)
+				}
+
 				expect(saySpy).toHaveBeenCalledWith(
 					"api_req_retry_delayed",
 					expect.stringContaining("Retrying now"),
@@ -757,12 +751,14 @@ describe("Cline", () => {
 				)
 
 				// Verify delay was called correctly
-				expect(mockDelay).toHaveBeenCalledTimes(3)
+				expect(mockDelay).toHaveBeenCalledTimes(baseDelay)
 				expect(mockDelay).toHaveBeenCalledWith(1000)
 
 				// Verify error message content
 				const errorMessage = saySpy.mock.calls.find((call) => call[1]?.includes(mockError.message))?.[1]
-				expect(errorMessage).toBe(`${mockError.message}\n\nRetrying in 3 seconds...`)
+				expect(errorMessage).toBe(
+					`${mockError.message}\n\nRetry attempt 1\nRetrying in ${baseDelay} seconds...`,
+				)
 			})
 
 			describe("loadContext", () => {