fix: use ASGI callable for SSE endpoint to avoid BaseHTTPMiddleware AssertionError (#883)#2029

Ashutosh0x wants to merge 5 commits intomodelcontextprotocol:mainmodelcontextprotocol/python-sdk:mainfrom

Ashutosh0x:fix/883-sse-middleware-assertionAshutosh0x/python-sdk:fix/883-sse-middleware-assertionCopy head branch name to clipboard