CLI: restore lightweight root help and scoped status plugin preload

src/cli/program/preaction.ts

@@ -67,6 +67,10 @@ function loadPluginRegistryModule() {
   return pluginRegistryModulePromise;
 }
 
+function resolvePluginRegistryScope(commandPath: string[]): "channels" | "all" {
+  return commandPath[0] === "status" || commandPath[0] === "health" ? "channels" : "all";
+}
+
 function getRootCommand(command: Command): Command {
   let current = command;
   while (current.parent) {
@@ -136,7 +140,7 @@ export function registerPreActionHooks(program: Command, programVersion: string)
     // Load plugins for commands that need channel access
     if (PLUGIN_REQUIRED_COMMANDS.has(commandPath[0])) {
       const { ensurePluginRegistryLoaded } = await loadPluginRegistryModule();
-      ensurePluginRegistryLoaded();
+      ensurePluginRegistryLoaded({ scope: resolvePluginRegistryScope(commandPath) });
     }
   });
 }