feat: add Condo owner desk frontend and backend

backend/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "condon-backend",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "engines": {
+    "node": ">=24"
+  },
+  "scripts": {
+    "api:smoke": "node scripts/api-smoke.mjs",
+    "api:test-write": "node scripts/api-write-smoke.mjs",
+    "build": "tsc -p tsconfig.json",
+    "dev": "tsx watch src/server.ts",
+    "preview:history": "node scripts/import-preview-server.mjs",
+    "preview:history:check": "node scripts/import-preview-server.mjs --check",
+    "start": "node dist/src/server.js",
+    "test": "tsx --test tests/**/*.test.ts",
+    "typecheck": "tsc --noEmit -p tsconfig.json",
+    "db:inventory": "node scripts/db-inventory.mjs",
+    "db:check-migrations": "node scripts/check-migrations.mjs",
+    "db:migrate:up": "node scripts/migrate-up.mjs",
+    "db:test-integration": "node scripts/test-database.mjs",
+    "db:verify-import": "node scripts/verify-import-batch.mjs",
+    "db:verify": "node scripts/verify-deployment.mjs"
+  },
+  "dependencies": {
+    "@fastify/cors": "11.3.0",
+    "@fastify/swagger": "9.8.1",
+    "@fastify/swagger-ui": "6.1.1",
+    "fastify": "5.10.0",
+    "pg": "8.22.0",
+    "zod": "4.4.3"
+  },
+  "devDependencies": {
+    "@types/node": "26.1.2",
+    "@types/pg": "8.20.0",
+    "tsx": "4.23.1",
+    "typescript": "7.0.2"
+  }
+}