Add scheduling-remote service to docker-compose and enhance camera error handling

- Introduced a new service for scheduling-remote in docker-compose.yml, allowing for better management of scheduling functionalities.
- Enhanced error handling in CameraMonitor and CameraStreamer classes to improve robustness during camera initialization and streaming processes.
- Updated various components in the management dashboard to support dark mode and improve user experience with consistent styling.
- Implemented feature flags for enabling/disabling modules, including the new scheduling module.

scheduling-remote/src/App.tsx

@@ -0,0 +1,29 @@
+import React from 'react'
+import { Scheduling } from './components/Scheduling'
+import type { User } from './services/supabase'
+
+interface AppProps {
+  user?: User
+  currentRoute?: string
+}
+
+export default function App(props: AppProps) {
+  // Get user and route from props or try to get from window (for standalone testing)
+  const user = props.user || (window as any).__SCHEDULING_USER__
+  const currentRoute = props.currentRoute || window.location.pathname
+
+  if (!user) {
+    return (
+      <div className="p-6">
+        <div className="bg-yellow-50 border border-yellow-200 rounded-md p-4">
+          <div className="text-sm text-yellow-700">
+            User information is required to use the scheduling module. Please ensure you are logged in.
+          </div>
+        </div>
+      </div>
+    )
+  }
+
+  return <Scheduling user={user} currentRoute={currentRoute} />
+}
+