feat(pairing): QR offer + app scanner

packages/server/package.json

@@ -44,6 +44,7 @@
     "pino": "^10.2.0",
     "pino-pretty": "^13.1.3",
     "playwright": "^1.56.1",
+    "qrcode": "^1.5.4",
     "tiny-invariant": "^1.3.3",
     "uuid": "^9.0.1",
     "ws": "^8.14.2",
@@ -53,6 +54,7 @@
     "@playwright/test": "^1.56.1",
     "@types/express": "^4.17.20",
     "@types/node": "^20.9.0",
+    "@types/qrcode": "^1.5.6",
     "@types/uuid": "^9.0.7",
     "@types/ws": "^8.5.8",
     "@vitest/ui": "^3.2.4",