server: expose uvicorn timeout_keep_alive in config

server/opensandbox_server/cli.py

@@ -292,6 +292,7 @@ def main() -> None:
         port=server_main.app_config.server.port,
         reload=args.reload,
         log_config=server_main._log_config,
+        timeout_keep_alive=server_main.app_config.server.timeout_keep_alive,
     )
 
 

server/opensandbox_server/config.py

@@ -240,6 +240,14 @@ class ServerConfig(BaseModel):
         le=65535,
         description="Port exposed by the lifecycle API server.",
     )
+    timeout_keep_alive: int = Field(
+        default=30,
+        ge=1,
+        description=(
+            "Idle keep-alive timeout in seconds passed to uvicorn. "
+            "Connections idle longer than this may be closed by the server."
+        ),
+    )
     log_level: str = Field(
         default="INFO",
         description="Python logging level for the server process.",

server/opensandbox_server/main.py

@@ -227,4 +227,5 @@ async def health_check():
         port=app_config.server.port,
         reload=True,
         log_config=_log_config,
+        timeout_keep_alive=app_config.server.timeout_keep_alive,
     )