Add kill tmux server

modules/home/tmux.nix

@@ -79,13 +79,11 @@ let
     # 1. Build the list of active tmux sessions
     sessions=$(${pkgs.tmux}/bin/tmux list-sessions -F "#S" 2>/dev/null)
 
-    if [[ -z "$sessions" ]]; then
-      echo "No active tmux sessions found."
-      exit 0
-    fi
+    # Always add the kill-server option
+    sessions_list="$sessions\n--- KILL TMUX SERVER ---"
 
     # 2. Open fzf (Multi-select: Tab to mark multiple, Enter to confirm)
-    selected=$(echo "$sessions" | ${pkgs.fzf}/bin/fzf -m --header="Select tmux sessions to KILL (Tab to multi-select)" --reverse)
+    selected=$(echo -e "$sessions_list" | ${pkgs.fzf}/bin/fzf -m --header="Select tmux sessions to KILL (Tab to multi-select)" --reverse)
 
     [[ -z "$selected" ]] && exit 0
 
@@ -94,6 +92,11 @@ let
     selected_array=("''${(@f)selected}")
 
     for s_name in "''${selected_array[@]}"; do
+      if [[ "$s_name" == "--- KILL TMUX SERVER ---" ]]; then
+        ${pkgs.tmux}/bin/tmux kill-server
+        echo "Killed tmux server"
+        exit 0
+      fi
       if ${pkgs.tmux}/bin/tmux has-session -t "$s_name" 2>/dev/null; then
         ${pkgs.tmux}/bin/tmux kill-session -t "$s_name"
         echo "Killed session: $s_name"
@@ -119,6 +122,7 @@ in
         set -g display-time 1500
         set -s set-clipboard on
         set -g extended-keys on
+        set -g extended-keys-format csi-u
 
         unbind S
         bind S command-prompt "switch -t %1"