feat(FN-3400): add native shell connection handoff, plugin management CLI/l

This merge adds a complete plugin management system (FN-3565) with CLI commands, a loader, runner, and dashboard routes, along with project-scoped auth storage (FN-3544), native shell connection support for mobile (FN-3400) spanning onboarding, connection manager, and remote desktop handoff, and ref

Fusion-Task-Id: FN-3400

packages/mobile/src/plugins/native-shell.ts

@@ -69,7 +69,9 @@ export class MobileNativeShellBridge implements FusionShellApi {
   }
 
   async openConnectionManager(): Promise<void> {
-    // Handled by dashboard shell context state.
+    if (typeof window !== "undefined") {
+      window.dispatchEvent(new CustomEvent("shell:open-connection-manager"));
+    }
   }
 
   subscribe(listener: Listener): () => void {