chore: refactor

backend/package-lock.json

@@ -37,7 +37,6 @@
         "@slack/oauth": "^3.0.1",
         "@slack/web-api": "^7.3.4",
         "@team-plain/typescript-sdk": "^4.6.1",
-        "@types/sjcl": "^1.0.34",
         "@ucast/mongo2js": "^1.3.4",
         "ajv": "^8.12.0",
         "argon2": "^0.31.2",
@@ -119,6 +118,7 @@
         "@types/prompt-sync": "^4.2.3",
         "@types/resolve": "^1.20.6",
         "@types/safe-regex": "^1.1.6",
+        "@types/sjcl": "^1.0.34",
         "@types/uuid": "^9.0.7",
         "@typescript-eslint/eslint-plugin": "^6.20.0",
         "@typescript-eslint/parser": "^6.20.0",
@@ -7302,6 +7302,7 @@
       "version": "1.0.34",
       "resolved": "https://registry.npmjs.org/@types/sjcl/-/sjcl-1.0.34.tgz",
       "integrity": "sha512-bQHEeK5DTQRunIfQeUMgtpPsNNCcZyQ9MJuAfW1I7iN0LDunTc78Fu17STbLMd7KiEY/g2zHVApippa70h6HoQ==",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/@types/uuid": {