feat(theme): add light/dark mode detection based on light.mode file

script/omarchy-theme-set-templates

@@ -7,6 +7,7 @@ TEMPLATES_DIR="$DOTFILES_DIR/default/themed"
 USER_TEMPLATES_DIR="$HOME/.config/omarchy/themed"
 NEXT_THEME_DIR="$HOME/.config/omarchy/current/next-theme"
 COLORS_FILE="$NEXT_THEME_DIR/colors.toml"
+THEME_MODE="$NEXT_THEME_DIR/light.mode"
 
 # Convert hex color to decimal RGB (e.g., "#1e1e2e" -> "30,30,46")
 hex_to_rgb() {
@@ -18,6 +19,13 @@ hex_to_rgb() {
 if [[ -f $COLORS_FILE ]]; then
   sed_script=$(mktemp)
 
+  key="theme_mode";
+  if [[ -f $THEME_MODE ]]; then
+    printf 's|{{ %s }}|%s|g\n' "$key" "light"            # {{ key }} -> value
+  else
+    printf 's|{{ %s }}|%s|g\n' "$key" "dark"            # {{ key }} -> value
+  fi >"$sed_script"
+
   while IFS='=' read -r key value; do
     key="${key//[\"\' ]/}"                # strip quotes and spaces from key
     [[ $key && $key != \#* ]] || continue # skip empty lines and comments
@@ -30,7 +38,7 @@ if [[ -f $COLORS_FILE ]]; then
       rgb=$(hex_to_rgb "$value")
       echo "s|{{ ${key}_rgb }}|${rgb}|g"
     fi
-  done <"$COLORS_FILE" >"$sed_script"
+  done <"$COLORS_FILE" >>"$sed_script"
 
   shopt -s nullglob