Docs + Environment pattern: Integrate existing Agents

[bxyu-nvidia]

Use cases, pain points, and background Why should we do this? Why is this needed or wanted?

Description: Just use OpenAI Agents SDK which uses OpenAI Responses schema which is directly compatible with Gym schema

Design: What files should be touched? What logic should be written?

Out of scope: What are some items that this issue could be mistaken to cover that this issue should explicitly NOT cover?

Acceptance Criteria:

• [ ] Individual items that need to be finished in order for this issue to be considered completed