chore: tmux config update, homebrew cleanshit up

modules/darwin/homebrew.nix

@@ -38,7 +38,6 @@ in
         "obs"
         "neohtop"
         "orbstack"
-        "ghostty"
         "openvpn-connect"
       ];
       description = "Homebrew casks to install.";

modules/home/shell/tmux.nix

@@ -21,7 +21,7 @@
       set-option -ga terminal-overrides ",*256col*:Tc"
       set-option -g focus-events on
       # Avoid CSI-u newline remapping that breaks Neovim pastes
-      set -as terminal-features 'xterm-ghostty:bpaste,clipboard,RGB'
+      set -as terminal-features 'xterm-kitty:clipboard,RGB'
       set -g status-interval 5
         setw -g automatic-rename on
         set -g renumber-windows on
@@ -31,7 +31,25 @@
       unbind '"'
       unbind %
       set -g display-panes-time 1500
-      bind k send-keys -R \; send-keys C-l \; clear-history
+      bind C-k send-keys -R \; send-keys C-l \; clear-history
+
+      # Vim-style pane navigation (prefix + hjkl)
+      bind h select-pane -L
+      bind j select-pane -D
+      bind k select-pane -U
+      bind l select-pane -R
+
+      # No-prefix pane switching (Option + arrow)
+      bind -n M-Left select-pane -L
+      bind -n M-Right select-pane -R
+      bind -n M-Up select-pane -U
+      bind -n M-Down select-pane -D
+
+      # Pane resizing (prefix + Shift+hjkl)
+      bind H resize-pane -L 5
+      bind J resize-pane -D 5
+      bind K resize-pane -U 5
+      bind L resize-pane -R 5
       # Ensure tmux panes spawn login nu so Starship integration runs
       set -g default-shell "${config.home.profileDirectory}/bin/nu"
       set -g default-command "${config.home.profileDirectory}/bin/nu --login"