pinwheel: Replace purple color scheme with grayscale and amber

Terminals, tmux and Emacs share a grayscale palette with amber
accents instead of Dracula, and the desktop bars and menus use a
matching gray background.

hosts/pinwheel/modules/wezterm/default.nix

@@ -8,6 +8,9 @@ let
   enabled = config.mod.wezterm.enable;
 
   hyprlandEnabled = config.mod.hyprland.enable;
+
+  colors = config.lib.colors.terminal;
+  luaList = list: "{ " + lib.concatMapStringsSep ", " (c: "'#${c}'") list + " }";
 in
 {
   options = {
@@ -27,7 +30,17 @@ in
 
           local config = wezterm.config_builder()
 
-          config.color_scheme = 'Dracula (Official)'
+          config.colors = {
+            foreground = '#${colors.foreground}',
+            background = '#${colors.background}',
+            cursor_bg = '#${colors.cursor}',
+            cursor_border = '#${colors.cursor}',
+            cursor_fg = '#${colors.background}',
+            selection_bg = '#${colors.selection}',
+            selection_fg = '#${colors.foreground}',
+            ansi = ${luaList colors.regular},
+            brights = ${luaList colors.bright},
+          }
 
           config.font = wezterm.font 'JetBrainsMono Nerd Font'
           -- to get "perfect" scaling to the right