Hot-reload every installed plugin, not just local clones

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

shell/README.md

@@ -155,7 +155,7 @@ the interactive picker, then opens the new `local.*` directory in `$EDITOR`.
 Existing shortcuts and shell IPC calls made to the built-in id are routed to
 the enabled clone, so cloning does not require changing its callers. Removing
 an active clone switches back to its built-in source.
-Saving a file anywhere inside a `local.*` plugin reloads plugin code
+Saving a file anywhere under `~/.config/omarchy/plugins/` reloads plugin code
 automatically; `omarchy-shell shell rescanPlugins` remains available to force a reload.
 
 First-party plugins under `shell/plugins/` are discovered the same way and load

shell/services/PluginRegistry.qml

@@ -668,9 +668,11 @@ QtObject {
   function localPluginIdForPath(filePath) {
     var base = pluginsDir.replace(/\/$/, "") + "/"
     var path = String(filePath || "").trim()
-    if (path.indexOf(base + "local.") !== 0) return ""
+    if (path.indexOf(base) !== 0) return ""
 
     var relative = path.slice(base.length)
+    // Hidden entries are not plugins: clone staging dirs, remove backups.
+    if (relative.indexOf(".") === 0) return ""
     if (relative.indexOf("/.git/") !== -1 || relative.endsWith("/.git")) return ""
 
     var slash = relative.indexOf("/")