chore: install @node-saml/node-saml and otpauth for Phase 3 identity

apps/api/package.json

@@ -19,6 +19,7 @@
     "@fastify/rate-limit": "^10.2.0",
     "@fastify/static": "^9.1.3",
     "@neplex/vectorizer": "^0.1.0",
+    "@node-saml/node-saml": "^5.1.0",
     "@scalar/fastify-api-reference": "^1.57.5",
     "@sentry/node": "^10.55.0",
     "@snapotter/ai": "workspace:*",
@@ -43,6 +44,7 @@
     "mupdf": "^1.27.0",
     "openid-client": "^6.8.4",
     "opentype.js": "^2.0.0",
+    "otpauth": "^9.5.1",
     "p-queue": "^9.3.0",
     "papaparse": "^5.5.3",
     "pdfkit": "^0.18.0",