Release 0.2.2

Bug Fixes

• Regex Find-and-Replace: Fixed regex mode not working. Added capture group support ($1, $2, ${name}) and a toolbar hint when regex mode is active.

• Keybinding Editor: Fixed actions with no default keybinding missing from the editor; all actions are now listed. Fixed inability to delete built-in keymap bindings. Fixed deleted bindings reappearing after save.

• LSP Completion Popup: Fixed completion popup blocking typing when using non-English locales.

• Revised in-editor help: Rewrote the in-editor help manual, should be a bit more useful.

Internal

• Refactored keybinding editor into multi-file module.
• Locked Cargo.toml dependency versions to minor; docs recommend --locked. Dependency updates.
• ~53 documentation clarity fixes.