feat: add Drizzle ORM database layer

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

package.json

@@ -9,13 +9,16 @@
     "db:migrate": "psql $DATABASE_URL -f schema.sql"
   },
   "dependencies": {
+    "@prisma/engines": "^7.8.0",
+    "drizzle-orm": "^0.45.2",
+    "nanoid": "^5.0.4",
     "pg": "^8.11.0",
-    "drizzle-orm": "^0.29.0",
+    "postgres": "^3.4.9",
     "telegraf": "^4.15.0",
-    "winston": "^3.11.0",
-    "nanoid": "^5.0.4"
+    "winston": "^3.11.0"
   },
   "devDependencies": {
-    "@types/bun": "latest"
+    "@types/bun": "latest",
+    "drizzle-kit": "^0.31.10"
   }
 }