feat: implemented pruning/mapping conversation manager

Author: Ro-ee Tal

src/strands/experimental/__init__.py

@@ -1,6 +1,13 @@
 """Experimental features.
 
 This module implements experimental features that are subject to change in future revisions without notice.
+
+Available submodules:
+- conversation_manager: Experimental conversation management strategies
+- tools: Experimental tool providers
+
+Note: Import experimental features directly from their submodules to avoid circular dependencies.
+Example: from strands.experimental.conversation_manager import MappingConversationManager
 """
 
 from . import tools

src/strands/experimental/conversation_manager/__init__.py

@@ -0,0 +1,16 @@
+"""Experimental conversation management strategies.
+
+This module implements experimental conversation managers that are subject to change.
+"""
+
+from .mapping_conversation_manager import (
+    LargeToolResultMapper,
+    MappingConversationManager,
+    MessageMapper,
+)
+
+__all__ = [
+    "MappingConversationManager",
+    "MessageMapper",
+    "LargeToolResultMapper",
+]