Update AzureAIAgentClient import paths

Changed imports from 'agent_framework.azure' to 'agent_framework_azure_ai' for AzureAIAgentClient in foundry_agent.py and reasoning_agent.py. Also removed an unused import in lifecycle.py to clean up dependencies.

Author: Fr4nc3

src/backend/af/magentic_agents/common/lifecycle.py

@@ -7,7 +7,6 @@
 from azure.ai.projects.aio import AIProjectClient
 from azure.identity.aio import DefaultAzureCredential
 
-from agent_framework.azure import AzureAIAgentClient
 from agent_framework import HostedMCPTool
 
 from af.magentic_agents.models.agent_models import MCPConfig

src/backend/af/magentic_agents/foundry_agent.py

@@ -4,7 +4,7 @@
 from typing import List, Optional
 
 from azure.ai.agents.models import Agent, AzureAISearchTool, CodeInterpreterToolDefinition
-from agent_framework.azure import AzureAIAgentClient
+from agent_framework_azure_ai import AzureAIAgentClient
 from agent_framework import ChatMessage, Role, ChatOptions, HostedMCPTool
 
 from af.magentic_agents.common.lifecycle import AzureAgentBase

src/backend/af/magentic_agents/reasoning_agent.py

@@ -3,8 +3,7 @@
 import uuid
 from dataclasses import dataclass
 from typing import AsyncIterator, List, Optional
-
-from agent_framework.azure import AzureAIAgentClient
+from agent_framework_azure_ai import AzureAIAgentClient
 from agent_framework import (
     ChatMessage,
     ChatOptions,