v2 - latest fix

Fixed Ctrl+C exit handling so the Bash wrapper reliably changes to the directory where TUI was closed, including when Bash set -e is enabled.
Action commands are evaluated as complete Bash commands, so && and || chains work as they do directly in the terminal.
Updated the example ZIP action to demonstrate success/failure prompts with && / ||.

Changelog

Made the installer compatible with minimal Calculinux environments by replacing install -m with cp followed by chmod.

Bash shell integration is installed automatically through ~/.bashrc.
Multi-command actions execute as one TUI handoff; TUI is not redrawn between commands.
Each generated command is added to Bash history.
Failed commands stop the current action and pause on a read before TUI resumes.
Marks are stored as absolute paths and survive directory changes.
Returning to a directory shows its previously marked entries again.
Moving marked entries uses the current TUI directory as the destination.
.tui lookup is limited to the user's home directory.

Hidden files and directories are hidden by default; use tui -a / tui --all to show them.
Added a synthetic parent-directory entry at the top of every listing.
Left arrow moves the cursor to the parent entry; pressing left again moves to the parent directory.
Navigation is limited to the directory containing the applicable .tui file.
Added ls --color-style colors for directories, symlinks, executables, archives and common image files.
Marked paths remain visible as marked when returning to their directory.

Cursor can now move to the empty line immediately below the last object.
Ctrl+K K now behaves like joe: the block end is the row immediately above the cursor.
On the bottom empty line, Ctrl+K K therefore selects through the last object.

The bottom empty row now visibly shows the cursor.
When TUI exits normally, the shell integration changes the parent Bash shell to the directory where TUI was closed.