feat(web): migrate teacher attendance workflow

Add the React attendance console with manual, QR, and location check-in flows, record editing, Excel exchange, submission, risk signals, and course statistics. Preserve server-side task scope and archived-task restrictions.

web-react/package.json

@@ -11,9 +11,11 @@
   "dependencies": {
     "@ant-design/icons": "6.3.4",
     "@capacitor/core": "8.5.0",
+    "@capacitor/geolocation": "8.2.2",
     "@tanstack/react-query": "5.104.0",
     "antd": "6.6.5",
     "axios": "1.20.0",
+    "qrcode": "1.5.4",
     "react": "19.3.0",
     "react-dom": "19.3.0",
     "react-router-dom": "7.18.4",
@@ -21,6 +23,7 @@
   },
   "devDependencies": {
     "@types/node": "26.6.3",
+    "@types/qrcode": "1.5.6",
     "@types/react": "19.3.0",
     "@types/react-dom": "19.3.0",
     "@vitejs/plugin-react": "6.1.1",