Add usage example for send_chat_history API

Co-authored-by: pontemonti <7850950+pontemonti@users.noreply.github.com>

Author: Copilot

examples/send_chat_history_example.py

@@ -0,0 +1,64 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+"""
+Example usage of the chat history API to send chat history to the MCP platform.
+
+This example demonstrates how to use the send_chat_history method to send
+chat conversation history to the MCP platform for real-time threat protection analysis.
+"""
+
+import asyncio
+from datetime import datetime, timezone
+
+from microsoft_agents_a365.tooling.models import ChatHistoryMessage
+from microsoft_agents_a365.tooling.services import McpToolServerConfigurationService
+
+
+async def main():
+    """Example of sending chat history to MCP platform."""
+
+    # Create the service
+    service = McpToolServerConfigurationService()
+
+    # Create chat history messages
+    messages = [
+        ChatHistoryMessage(
+            id="msg-1",
+            role="user",
+            content="Hello, I need help with my account",
+            timestamp=datetime.now(timezone.utc),
+        ),
+        ChatHistoryMessage(
+            id="msg-2",
+            role="assistant",
+            content="I'd be happy to help you with your account. What do you need assistance with?",
+            timestamp=datetime.now(timezone.utc),
+        ),
+        ChatHistoryMessage(
+            id="msg-3",
+            role="user",
+            content="I forgot my password",
+            timestamp=datetime.now(timezone.utc),
+        ),
+    ]
+
+    # Send chat history to MCP platform
+    result = await service.send_chat_history(
+        conversation_id="conv-123456",
+        message_id="msg-4",
+        user_message="Can you help me reset it?",
+        chat_history_messages=messages,
+        auth_token="your-auth-token-here",
+    )
+
+    # Check the result
+    if result.succeeded:
+        print("✅ Chat history sent successfully!")
+    else:
+        print(f"❌ Failed to send chat history: {result}")
+        for error in result.errors:
+            print(f"   - {error.message}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())