fix: make backend local verification safe

tsconfig.typecheck.app.json

@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "incremental": false,
+    "noEmit": true
+  },
+  "include": ["src/**/*.ts"],
+  "exclude": ["src/**/*.spec.ts", "test", "node_modules", "dist"]
+}