feat(WHE-20): implement deterministic monthly settlement engine

packages/application/package.json

@@ -2,10 +2,16 @@
   "name": "@household/application",
   "private": true,
   "type": "module",
+  "exports": {
+    ".": "./src/index.ts"
+  },
   "scripts": {
     "build": "bun build src/index.ts --outdir dist --target bun",
     "typecheck": "tsgo --project tsconfig.json --noEmit",
     "test": "bun test --pass-with-no-tests",
     "lint": "oxlint \"src\""
+  },
+  "dependencies": {
+    "@household/domain": "workspace:*"
   }
 }