Add auth_handler_name parameter to Authorization.exchange_token call

[pontemonti]

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[Copilot]

Pull Request Overview

This PR refactors the MCP tool registration services by replacing the hard-coded agentic_app_id parameter with a more flexible auth_handler_name parameter, and introduces a new Utility class to dynamically resolve agent identities from tokens or context.

Key Changes:

• Introduces a new Utility class with methods for extracting app IDs from JWT tokens and resolving agent identities
• Replaces agentic_app_id parameter with auth_handler_name in all MCP tool registration services
• Adds comprehensive unit tests for the new utility functions

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/runtime/test_utility.py	New comprehensive test suite covering JWT token parsing and agent identity resolution
libraries/microsoft-agents-a365-tooling-extensions-semantickernel/microsoft_agents_a365/tooling/extensions/semantickernel/services/mcp_tool_registration_service.py	Updated to use auth_handler_name parameter and dynamically resolve agent ID
libraries/microsoft-agents-a365-tooling-extensions-openai/microsoft_agents_a365/tooling/extensions/openai/mcp_tool_registration_service.py	Updated to use auth_handler_name parameter and dynamically resolve agent ID
libraries/microsoft-agents-a365-tooling-extensions-azureaifoundry/microsoft_agents_a365/tooling/extensions/azureaifoundry/services/mcp_tool_registration_service.py	Updated to use auth_handler_name parameter and dynamically resolve agent ID
libraries/microsoft-agents-a365-tooling-extensions-agentframework/microsoft_agents_a365/tooling/extensions/agentframework/services/mcp_tool_registration_service.py	Updated to use auth_handler_name parameter and dynamically resolve agent ID
libraries/microsoft-agents-a365-runtime/pyproject.toml	Added PyJWT dependency for JWT token handling
libraries/microsoft-agents-a365-runtime/microsoft_agents_a365/runtime/utility.py	New utility module providing JWT token parsing and agent identity resolution
libraries/microsoft-agents-a365-runtime/microsoft_agents_a365/runtime/__init__.py	Updated exports to include the new Utility class