fix(cli): ghostty-tmux skips pj task sessions; confirm ctrl-c before stopping bg tasks

dot_local/bin/executable_ghostty-tmux

@@ -2,8 +2,11 @@
 # Ghostty's `command`: every Ghostty window gets its own tmux session, never
 # a mirror of another window's. Reclaim the oldest detached session (left by
 # a closed window, or restored by tmux-continuum after a reboot) so closed
-# windows don't pile up sessions; otherwise start a new one. The first window
-# after boot starts the server, which is what triggers continuum's restore.
+# windows don't pile up sessions; otherwise start a new one. pj-palette's
+# background task sessions (@pj_task, named <session>:<task>) are never
+# reclaimed, and targets use the session id since names may contain ':'.
+# The first window after boot starts the server, which is what triggers
+# continuum's restore.
 # ponytail: two windows opened in the same instant can claim the same detached
 # session; take a lock (flock) here if that ever bites.
 
@@ -12,8 +15,8 @@
 # (bun for tmux-palette, fzf, zoxide).
 [[ -d $HOME/.local/share/mise/shims ]] && PATH="$HOME/.local/share/mise/shims:$PATH"
 
-oldest=$(tmux list-sessions -f '#{==:#{session_attached},0}' \
-    -F '#{session_created} #{session_name}' 2>/dev/null | sort -n | head -1 | cut -d' ' -f2-)
+oldest=$(tmux list-sessions -f '#{&&:#{==:#{session_attached},0},#{!:#{@pj_task}}}' \
+    -F '#{session_created} #{session_id}' 2>/dev/null | sort -n | head -1 | cut -d' ' -f2)
 
-[[ -n $oldest ]] && exec tmux attach-session -t "=$oldest"
+[[ -n $oldest ]] && exec tmux attach-session -t "$oldest"
 exec tmux new-session