fix: 修复 OSS_ENDPOINT 拼写错误 aliiyuncs → aliyun

OSS_ENDPOINT 默认值中的域名拼写错误：
- 错误：oss-cn-hangzhou.aliiyuncs.com（多了一个 i）
- 正确：oss-cn-hangzhou.aliyuncs.com

同步修复：
- apps/api/app/config.py
- packages/shared/config.py
- tests/unit/test_config_oss.py

apps/api/app/config.py

@@ -80,7 +80,7 @@ class Settings(BaseSettings):
     CELERY_RESULT_BACKEND: str = "redis://localhost:6379/1"
 
     # OSS 七牛云相关
-    OSS_ENDPOINT: str = "oss-cn-hangzhou.aliiyuncs.com"
+    OSS_ENDPOINT: str = "oss-cn-hangzhou.aliyuncs.com"
     OSS_ACCESS_KEY_ID: str = ""
     OSS_ACCESS_KEY_SECRET: str = ""
     OSS_BUCKET_NAME: str = "xiaoxia-autocut"

packages/shared/config.py

@@ -24,7 +24,7 @@ class SharedSettings(BaseSettings):
     celery_result_backend: str = "redis://localhost:6379/1"
 
     # OSS Aliyun
-    oss_endpoint: str = "oss-cn-hangzhou.aliiyuncs.com"
+    oss_endpoint: str = "oss-cn-hangzhou.aliyuncs.com"
     oss_access_key_id: str = ""
     oss_access_key_secret: str = ""
     oss_bucket_name: str = "xiaoxia-autocut"

tests/unit/test_config_oss.py

@@ -55,7 +55,7 @@ class TestOSSConfigDefaults:
 
     def test_oss_endpoint_default(self):
         settings = _fresh_settings()
-        assert settings.OSS_ENDPOINT == "oss-cn-hangzhou.aliiyuncs.com"
+        assert settings.OSS_ENDPOINT == "oss-cn-hangzhou.aliyuncs.com"
 
     def test_oss_access_key_id_default_empty(self):
         settings = _fresh_settings()
@@ -88,8 +88,8 @@ class TestOSSConfigEnvOverride:
     """环境变量能正确覆盖 OSS 配置字段。"""
 
     def test_oss_endpoint_override(self):
-        settings = _fresh_settings(OSS_ENDPOINT="oss-cn-shanghai.aliiyuncs.com")
-        assert settings.OSS_ENDPOINT == "oss-cn-shanghai.aliiyuncs.com"
+        settings = _fresh_settings(OSS_ENDPOINT="oss-cn-shanghai.aliyuncs.com")
+        assert settings.OSS_ENDPOINT == "oss-cn-shanghai.aliyuncs.com"
 
     def test_oss_access_key_id_override(self):
         settings = _fresh_settings(OSS_ACCESS_KEY_ID="test-key-id")