Simplify bar plugin management (#6435)

bin/omarchy-plugin-catalog

@@ -7,10 +7,8 @@
 # Walks $OMARCHY_PATH/shell/plugins and ~/.config/omarchy/plugins, reads every
 # manifest.json / *.manifest.json, and emits one JSON object per plugin with
 # computed fields (sourceDir, barWidgetPath, barPath, firstParty). This is the
-# single source of truth that omarchy-bar (widget/option enumeration),
-# omarchy-bar-plugin (add validation), and omarchy-plugin-clone (source
-# enumeration) read, so the bar and plugin commands never re-implement
-# manifest walking.
+# single source of truth used by bar selection and plugin enable/clone, so
+# those commands never re-implement manifest walking.
 
 set -o pipefail