feat(dao): Implement comprehensive DAO layer (#308)

Co-authored-by: samanhappy@qq.com <my6051199>

package.json

@@ -48,10 +48,12 @@
     "@apidevtools/swagger-parser": "^11.0.1",
     "@modelcontextprotocol/sdk": "^1.17.4",
     "@types/adm-zip": "^0.5.7",
+    "@types/bcrypt": "^6.0.0",
     "@types/multer": "^1.4.13",
     "@types/pg": "^8.15.5",
     "adm-zip": "^0.5.16",
     "axios": "^1.11.0",
+    "bcrypt": "^6.0.0",
     "bcryptjs": "^3.0.2",
     "cors": "^2.8.5",
     "dotenv": "^16.6.1",