feat: add deployment monitor page

- Add /deploy_status API endpoint for system status check
- Create Monitor.tsx component with real-time status display
- Support CUDA, FFmpeg, Whisper model status monitoring
- Auto-refresh every 30 seconds with manual refresh option

BillNote_frontend/src/services/system.ts

@@ -1,5 +1,29 @@
 import request from '@/utils/request'
 
-export const systemCheck=async()=>{
+export const systemCheck = async () => {
   return await request.get('/sys_health')
 }
+
+export interface DeployStatus {
+  backend: {
+    status: string
+    port: number
+  }
+  cuda: {
+    available: boolean
+    version: string | null
+    gpu_name: string | null
+  }
+  whisper: {
+    model_size: string
+    transcriber_type: string
+  }
+  ffmpeg: {
+    available: boolean
+  }
+}
+
+export const getDeployStatus = async (): Promise<DeployStatus> => {
+  return await request.get('/deploy_status')
+}
+