[Chore] Update AGENTS.md terminology - remove pilot references #24

Summary

During the ecosystem documentation update, we updated README.md, CONTRIBUTING.md, and SECURITY.md to use "Agentic Coding Capability Assessment" instead of "pilot" terminology.

Task

Review and update AGENTS.md to:

• Replace references to "pilot" or "trial" with "Agentic Coding Capability Assessment"
• Ensure terminology is consistent with the updated README.md
• Update any outdated section headers or descriptions

Related Files

• README.md (already updated)
• CONTRIBUTING.md (already updated)
• SECURITY.md (already updated)

Context

Part of the cross-repo ecosystem consistency effort.