fix(core): resolve local client url redirects and stabilize dev environment

- enforce localhost:5174 for wheel campaign client URL in local development
- lock vite dev server ports using strictPort on admin (5173) and client (5174)
- sanitize .env.example and remove hardcoded staging domain
- configure root dev orchestration and docker multi-stage build context

apps/admin/src/main.ts

@@ -4,6 +4,7 @@ import './assets/fonts/fonts.css';
 import { createPinia } from 'pinia';
 import { createApp } from 'vue';
 import App from './App.vue';
+import { bindDeviceRouter } from './composables/useDevice';
 import { router } from './router';
 
 const app = createApp(App);
@@ -13,4 +14,6 @@ app.use(pinia);
 app.use(router);
 app.use(Antd);
 
+bindDeviceRouter(router);
+
 app.mount('#app');