Add Actions to open AGENTS.md (#57847)

<img width="620" height="172" alt="Screenshot 2026-05-27 at 12 08 26 PM"
src="https://github.com/user-attachments/assets/226b3d0c-003b-44ac-a16f-10af4f2952b3"
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Add command palette actions for opening global and project-specific
AGENTS.md files

Closes AI-324

Release Notes:

- Added commands to open global and project-specific AGENTS.md rules
bc6a483e5cRichard Feldman committed on 5/27/2026, 4:08:52 PM· committed by GitHubparent32d0737
4 files changedLine totals unavailable