feat: general improvements

package.json

@@ -1,9 +1,9 @@
 {
   "name": "purchases-personas",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Generate realistic fictional personas and their weekly purchase behaviors using AI",
   "scripts": {
-    "start": "prisma generate && node dist/index.js",
+    "start": "node dist/index.js",
     "dev": "nodemon src/index.ts",
     "build": "tsc",
     "lint": "eslint . --fix",
@@ -16,10 +16,10 @@
   },
   "dependencies": {
     "@anthropic-ai/sdk": "^0.32.1",
-    "@prisma/client": "^5.22.0",
     "crypto": "^1.0.1",
     "dotenv": "^16.4.5",
-    "express": "^4.21.1"
+    "express": "^4.21.1",
+    "zod": "^3.23.8"
   },
   "devDependencies": {
     "@commitlint/cli": "^18.4.3",
@@ -35,7 +35,6 @@
     "lint-staged": "^15.1.0",
     "nodemon": "^3.0.2",
     "prettier": "^3.1.0",
-    "prisma": "^5.8.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.3.0"
   }