[User Story] - Integrate Entra ID for User authentication and authorization

[dantelmomsft]

Description
Brief summary of the problem or enhancement. What is happening or what is needed? Focus on user impact, not implementation details.

Current Behavior
Describe what currently happens. Include examples, logs, or snippets if helpful.

Acceptance Criteria
List clear, testable outcomes. Example:

• Credit card numbers in agent responses are masked (only last 4 digits remain)
• Middleware applies across all agents generating text
• Unit tests cover detection and non-detection scenarios

Design Considerations
High-level approach. Mention patterns (e.g., agent middleware), data flow, constraints, and any alternatives rejected. Do NOT paste full code unless essential.

Main Affected Modules and/or Classes
List exact file paths or module names. Example:

• app/copilot/app/agents/azure_chat/account_agent.py
• app/copilot/app/agents/azure_chat/payment_agent.py

References
Link to docs, ADRs, samples, related issues. Example:

• Agent middleware docs:
• Sample middleware implementation:

Optional

Security & Privacy (optional)
Data masking, logging considerations, PII handling, compliance notes.

Risks & Mitigations (optional)
Potential side effects (e.g., false positives masking numbers that aren't cards) and mitigation strategies.

Open Questions (optional)
Items needing clarification before implementation.

Additional Context (optional)
Supporting info: screenshots, sample responses, logs, reproduction steps.