- Rename Prompts tab to Instructions (with backwards-compatible URL routing)
- Update header/subheader text to "Instructions Bundle" / "Configure your agent's behavior with instructions"
- Remove standalone legacy prompt warning banner; move warning to deprecated virtual file badge with tooltip
- Move mode, root path, and entry file controls into a collapsible "Advanced" section below the file browser
- Add help tooltips (?) for mode, root path, and entry file fields
- Show full root path in managed mode with copy-to-clipboard icon
- Reorder: root path now appears to the left of entry file
- Remove HEARTBEAT.md, SOUL.md, TOOLS.md shortcut buttons from file browser
- Add key prop to MarkdownEditor to ensure proper re-mount on file selection change
Co-Authored-By: Paperclip <noreply@paperclip.ing>