Clean up semantic theme compatibility

bin/omarchy-theme-set-vscode

@@ -3,7 +3,7 @@
 # omarchy:summary=Sync Omarchy theme to VS Code, VSCodium, and Cursor
 # omarchy:hidden=true
 
-VS_CODE_THEME="$HOME/.config/omarchy/current/theme/vscode.json"
+VS_CODE_THEME_DESCRIPTOR="$HOME/.config/omarchy/current/theme/vscode.json"
 GENERATED_THEME="$HOME/.config/omarchy/current/theme/vscode-theme.json"
 
 # Install generated theme as a local extension for a given editor
@@ -50,22 +50,18 @@ set_theme() {
 
   local theme_name=""
 
-  # Always deploy the generated theme so it's available in the theme picker
-  if [[ -f "$GENERATED_THEME" ]]; then
-    install_generated_extension "$ext_base/omarchy-theme"
-  fi
-
-  if [[ -f "$VS_CODE_THEME" ]]; then
-    # Theme specifies a preferred 3rd-party extension
-    theme_name=$(jq -r '.name' "$VS_CODE_THEME")
+  if [[ -f "$VS_CODE_THEME_DESCRIPTOR" ]]; then
+    # Theme specifies a preferred 3rd-party extension/theme pair.
+    theme_name=$(jq -r '.name' "$VS_CODE_THEME_DESCRIPTOR")
     local extension
-    extension=$(jq -r '.extension' "$VS_CODE_THEME")
+    extension=$(jq -r '.extension' "$VS_CODE_THEME_DESCRIPTOR")
 
     if [[ -n $extension ]] && ! "$editor_cmd" --list-extensions 2>/dev/null | grep -Fxq "$extension"; then
       "$editor_cmd" --install-extension "$extension" >/dev/null 2>&1
     fi
   elif [[ -f "$GENERATED_THEME" ]]; then
-    # No 3rd-party preference, activate the generated theme
+    # VS Code only discovers local color themes through an extension package.
+    install_generated_extension "$ext_base/omarchy-theme"
     theme_name="Omarchy"
   fi