feat: adjust data type

src/db.ts

@@ -1,7 +1,23 @@
 import { PrismaClient } from "@prisma/client";
+import kyselyExtension from "prisma-extension-kysely";
+import type { DB } from "../prisma/generated/types.ts";
+import { Kysely, PostgresAdapter, PostgresIntrospector, PostgresQueryCompiler } from "kysely";
 
 const prisma = new PrismaClient({
   errorFormat: process.env.NODE_ENV === "production" ? "minimal" : "pretty",
-});
+}).$extends(
+  kyselyExtension({
+    kysely: (driver) =>
+      new Kysely<DB>({
+        dialect: {
+          createDriver: () => driver,
+          createAdapter: () => new PostgresAdapter(),
+          createIntrospector: (db: Kysely<DB>) => new PostgresIntrospector(db),
+          createQueryCompiler: () => new PostgresQueryCompiler(),
+        },
+        plugins: [],
+      }),
+  }),
+);
 
 export default prisma;