feat: 新增启动欢迎通知、流式预览节点及多项功能更新

- 新增启动弹窗通知（绿色主题，支持关闭）
- 新增 StreamPreview 流式文本预览节点
- 新增 fileUpload、updateNotifier 前端 JS 模块
- 重构多个 client，统一错误处理
- 删除废弃节点 batch_nano_banana_v2、quan_neng_sheng_tu 等
- 将 .config 纳入版本控制（已清空密钥）

clients/veo_client.py

@@ -160,7 +160,7 @@ class VeoClient(BaseAPIClient):
 
         close_session = False
         if session is None:
-            session = aiohttp.ClientSession()
+            session = self._make_session()
             close_session = True
 
         try:
@@ -202,7 +202,7 @@ class VeoClient(BaseAPIClient):
 
         close_session = False
         if session is None:
-            session = aiohttp.ClientSession()
+            session = self._make_session()
             close_session = True
 
         interval = self.POLL_INITIAL_INTERVAL
@@ -265,7 +265,7 @@ class VeoClient(BaseAPIClient):
 
         close_session = False
         if session is None:
-            session = aiohttp.ClientSession()
+            session = self._make_session()
             close_session = True
 
         try:
@@ -318,7 +318,7 @@ class VeoClient(BaseAPIClient):
         """
 
         async def _run():
-            connector = aiohttp.TCPConnector(limit=0)
+            connector = aiohttp.TCPConnector(ssl=False, limit=0)
             async with aiohttp.ClientSession(connector=connector) as session:
                 # 1. 提交任务
                 if on_stage:
@@ -383,7 +383,7 @@ class VeoClient(BaseAPIClient):
         """
         async def _run():
             batch_size = len(save_paths)
-            connector = aiohttp.TCPConnector(limit=0)
+            connector = aiohttp.TCPConnector(ssl=False, limit=0)
 
             async def generate_one(save_path: str):
                 return await self._generate_one_video_async(