docs: Add AGENTS.md with Cursor Cloud development instructions

[dzier]

What does the PR do?

Adds AGENTS.md with Cursor Cloud-specific development instructions for AI coding agents. This file documents:

• Component overview (core server, OpenAI frontend, build system, QA tests)
• How to run linting via pre-commit hooks
• Test environment requirements (NVIDIA NGC containers, GPU, tritonserver package)
• Key development gotchas

Checklist

• PR title reflects the change and is of format <commit_type>: <Title>
• Changes are described in the pull request.
• I ran pre-commit locally (pre-commit install, pre-commit run --all)
• Verified copyright is correct on all changed files.
• All template sections are filled out.

Commit Type:

• docs

Where should the reviewer start?

AGENTS.md — the only file changed.

Test plan:

No code changes; documentation only. Pre-commit hooks pass on the new file.

Caveats:

This file is intended for Cursor Cloud agent environments and provides guidance for AI-assisted development workflows.

Background

Setting up the development environment for Cursor Cloud agents to enable linting, testing, and Python frontend development in this codebase.