Python: sample with Foundry Redteams

[Eduard van Valkenburg (eavanvalkenburg)]

Motivation and Context

A sample demonstrating how you can use a agent framework agent with the redteam feature of Foundry.
Deliberately uses another type of agent to demonstrate universal approach.

Relates to #333

Description

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the Contribution Guidelines
• All unit tests pass, and I have added new tests where possible
• Is this a breaking change? If yes, add "[BREAKING]" prefix to the title of the PR.

[Copilot]

Pull Request Overview

This PR adds a comprehensive sample demonstrating red team evaluation of Agent Framework agents using Azure AI Foundry's RedTeam functionality. The sample shows how to assess agent safety and resilience against adversarial attacks.

Key changes:

• Implements a complete red team evaluation workflow with an Azure OpenAI-based financial advisor agent
• Provides extensive documentation covering setup, configuration, and result interpretation
• Includes environment configuration template for required Azure resources

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated 2 comments.

File	Description
red_team_agent_sample.py	Core implementation showing red team evaluation with 11 different attack strategies and async agent callback
README.md	Comprehensive documentation covering prerequisites, setup, usage, and troubleshooting
.env.example	Environment variable template for Azure OpenAI and Azure AI project configuration

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