test(runtime-fallback): cover localized provider errors

src/hooks/runtime-fallback/error-classifier.test.ts

@@ -59,6 +59,44 @@ describe("runtime-fallback error classifier", () => {
     expect(retryable).toBe(true)
   })
 
+  test("treats localized transient provider messages as retryable", () => {
+    //#given
+    const errors = [
+      { message: "请求过于频繁，请稍后重试" },
+      { message: "服务暂时不可用" },
+      { message: "触发频率限制" },
+    ]
+
+    //#when
+    const retryable = errors.map((error) => isRetryableError(error, [429, 503, 529]))
+
+    //#then
+    expect(retryable).toEqual([true, true, true])
+  })
+
+  test("classifies localized quota exhaustion messages as quota_exceeded", () => {
+    //#given
+    const errors = [
+      { message: "已达到 5 小时的使用上限" },
+      { message: "已达到每日调用限制" },
+      { message: "额度不足" },
+      { message: "账户余额不足" },
+      { message: "免费额度已耗尽" },
+    ]
+
+    //#when
+    const classifications = errors.map((error) => classifyErrorType(error))
+
+    //#then
+    expect(classifications).toEqual([
+      "quota_exceeded",
+      "quota_exceeded",
+      "quota_exceeded",
+      "quota_exceeded",
+      "quota_exceeded",
+    ])
+  })
+
   test("classifies ProviderModelNotFoundError as model_not_found", () => {
     //#given
     const error = {