feat: Refactor result preparation and add contradiction checks

backend/tsconfig.json

@@ -2,6 +2,8 @@
   "compilerOptions": {
     "target": "es6",
     "module": "commonjs",
+    "moduleResolution": "node",
+    "types": ["node", "jest"],
     "outDir": "./dist",
     "rootDir": "./src",
     "strict": true,
@@ -9,6 +11,6 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true
   },
-  "include": ["src/**/*"],
-  "exclude": ["node_modules", "dist", "tests"]
+  "include": ["src/**/*", "tests/**/*"],
+  "exclude": ["node_modules", "dist"]
 }