Fixed a crash when experimental mode was enabled

Improvements

• CoreLet plugin tools return metadata in execute results.@jquense
• CoreShow real filenames instead of /dev/null in revert diffs.
• CoreImproved workspace session handling when a workspace no longer exists.
• CoreFixed Windows ctrl+z terminal suspend and input undo behavior.
• CoreEnabled Azure prompt caching with a default per-session cache key.
• TerminalPreserve prompt input when views unmount and remount.
• TerminalKeep session list dialogs ordered more consistently within each day.
• DesktopFixed desktop workspace loading so ready state persists correctly.
• DesktopFixed desktop session syncing when loading project data from query cache.
• DesktopAdded beta desktop settings to hide title bar tools like navigation, search, terminal, status, and file tree.
• DesktopImproved desktop session change loading in the review panel.