[WIP] Update agents documentation for clarity

[Copilot]

Cloud agent has begun work on What can you do? and will update this pull request as work progresses.

Original prompt

What can you do?

The user has attached the following file paths as relevant context:

• .github\copilot-instructions.md
• AGENTS.md
• backend\FwLite\AGENTS.md
• backend\FwHeadless\AGENTS.md
• .github\AGENTS.md
• AGENTS.md

Created from VS Code.

---

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

[coderabbitai]

Important

Review skipped

Bot user detected.

To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}