feat: export close_shared_sync_session at package level

Mirror the existing close_shared_aio_session export so long-running
applications can manage the shared sync connection pool via
dashscope.close_shared_sync_session() (relates to #186).

Author: zhansheng.lzs

dashscope/__init__.py

@@ -31,6 +31,7 @@
 )
 from dashscope.audio.tts.speech_synthesizer import SpeechSynthesizer
 from dashscope.api_entities.aio_session import close_shared_aio_session
+from dashscope.api_entities.http_request import close_shared_sync_session
 from dashscope.common.api_key import save_api_key
 from dashscope.common.env import (
     api_key,
@@ -89,6 +90,7 @@
     "api_key_file_path",
     "save_api_key",
     "close_shared_aio_session",
+    "close_shared_sync_session",
     "AioGeneration",
     "Conversation",
     "Generation",

dashscope/__init__.pyi

@@ -22,6 +22,7 @@ base_websocket_api_url: str
 
 def save_api_key(api_key: str, file_path: Optional[str] = ...) -> None: ...
 def close_shared_aio_session() -> None: ...
+def close_shared_sync_session() -> None: ...
 
 # ---------------------------------------------------------------------------
 # Response types