[tmux] Update default terminal and keyMode

home/modules/tmux/default.nix

@@ -15,6 +15,8 @@ let
 in
 {
   programs.tmux.enable = true;
+  programs.tmux.terminal = "tmux-direct";
+  programs.tmux.keyMode = "vi";
   programs.tmux.escapeTime = 0;
   programs.tmux.mouse = true;
   programs.tmux.newSession = true;
@@ -24,9 +26,6 @@ in
   programs.tmux.prefix = "`";
 
   programs.tmux.extraConfig = ''
-    set -g mouse on
-    set -g default-terminal "screen-256color"
-
     bind -n S-Left previous-window
     bind -n S-Right next-window
   '';