[FEATURE]: Add slash command to show active instruction file paths in a session

[phall1]

I work mainly in a large-ish monorepo with scattered agents.md files, and I can't keep track of which ones get loaded.

The slash command shows which files and remote paths were loaded as instructions

PR at:
#7678

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• [FEATURE]: Show included Agents.MD in the sidebar #4876: Show included Agents.MD in the sidebar
• [FEATURE]: Auto-selection of nested AGENTS.md based on file/directory context #7576: Auto-selection of nested AGENTS.md based on file/directory context
• [FEATURE]: Context Auto-Discovery: Load AGENTS.md from Directories When Accessing Files #6316: Context Auto-Discovery: Load AGENTS.md from Directories When Accessing Files
• opencode reads agents.md from parent directories #6479: opencode reads agents.md from parent directories

Feel free to ignore if none of these address your specific case.