docs (main.py)

Author: HzaRashid

src/backend/base/langflow/api/v1/mcp_projects.py

@@ -1202,8 +1202,8 @@ def __init__(self, project_id: UUID):
         # TODO: implement an environment variable to enable/disable stateless mode
         self.session_manager = StreamableHTTPSessionManager(self.server, stateless=True)
         # since we lazily initialize the session manager's
-        # lifecyle (run()), we use the lock to prevent
-        # race conditions on concurrent requests.
+        # lifecyle (via .run(), which can only be called once),
+        # we use the lock to prevent race conditions on concurrent requests.
         self._manager_lock = asyncio.Lock()
         self._manager_started = False
 

src/backend/base/langflow/main.py

@@ -310,9 +310,10 @@ async def delayed_init_mcp_servers():
             # Create AsyncExitStack for context managers that need
             # to be kept alive for the duration of lf main's lifespan.
             # Right now, this includes the streamable-http
-            # session manager's lifecycle for the v1/mcp server,
-            # and the project MCP global exit stack that manages
-            # each project's streamable-http session manager.
+            # session mgr's lifecycle ctx mgr for the v1/mcp server,
+            # and the MCP project servers' global lifecycle mgr
+            # that maintains each per-project streamable-http
+            # session mgr's lifecycle mgr.
             from contextlib import AsyncExitStack
 
             from langflow.api.v1.mcp import init_streamable_http_manager