Remove TYPE_CHECKING and always import TurnContext, add microsoft-agents-hosting-core dependency

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

Author: Copilot

libraries/microsoft-agents-a365-tooling/microsoft_agents_a365/tooling/services/mcp_tool_server_configuration_service.py

@@ -24,13 +24,11 @@
 import os
 import sys
 from pathlib import Path
-from typing import Any, Dict, List, Optional, TYPE_CHECKING
+from typing import Any, Dict, List, Optional
 
 # Third-party imports
 import aiohttp
-
-if TYPE_CHECKING:
-    from microsoft_agents.hosting.core import TurnContext
+from microsoft_agents.hosting.core import TurnContext
 
 # Local imports
 from ..models import ChatHistoryMessage, MCPServerConfig, ToolOptions
@@ -504,7 +502,7 @@ def _validate_server_strings(self, name: Optional[str], unique_name: Optional[st
 
     async def send_chat_history(
         self,
-        turn_context: "TurnContext",
+        turn_context: TurnContext,
         chat_history_messages: List[ChatHistoryMessage],
         options: Optional[ToolOptions] = None,
     ):

libraries/microsoft-agents-a365-tooling/pyproject.toml

@@ -25,6 +25,7 @@ license = {text = "MIT"}
 dependencies = [
     "pydantic >= 2.0.0",
     "typing-extensions >= 4.0.0",
+    "microsoft-agents-hosting-core >= 0.4.0, < 0.6.0",
 ]
 
 [project.urls]