docs: fix invalid :pyclass: Sphinx role in session docstrings

src/agents/extensions/memory/dapr_session.py

@@ -55,7 +55,7 @@
 
 
 class DaprSession(SessionABC):
-    """Dapr State Store implementation of :pyclass:`agents.memory.session.Session`."""
+    """Dapr State Store implementation of :class:`agents.memory.session.Session`."""
 
     session_settings: SessionSettings | None = None
 

src/agents/extensions/memory/mongodb_session.py

@@ -63,7 +63,7 @@
 
 
 class MongoDBSession(SessionABC):
-    """MongoDB implementation of :pyclass:`agents.memory.session.Session`.
+    """MongoDB implementation of :class:`agents.memory.session.Session`.
 
     Conversation items are stored as individual documents in a ``messages``
     collection.  A lightweight ``sessions`` collection tracks metadata

src/agents/extensions/memory/redis_session.py

@@ -40,7 +40,7 @@
 
 
 class RedisSession(SessionABC):
-    """Redis implementation of :pyclass:`agents.memory.session.Session`."""
+    """Redis implementation of :class:`agents.memory.session.Session`."""
 
     session_settings: SessionSettings | None = None
 

src/agents/extensions/memory/sqlalchemy_session.py

@@ -54,7 +54,7 @@
 
 
 class SQLAlchemySession(SessionABC):
-    """SQLAlchemy implementation of :pyclass:`agents.memory.session.Session`."""
+    """SQLAlchemy implementation of :class:`agents.memory.session.Session`."""
 
     _table_init_locks: ClassVar[dict[tuple[str, str, str], threading.Lock]] = {}
     _table_init_locks_guard: ClassVar[threading.Lock] = threading.Lock()