fix: seed adapter, db:seed script, prisma config seed command

packages/db/prisma/seed.ts

@@ -1,6 +1,13 @@
+import dotenv from "dotenv";
+import path from "path";
+dotenv.config({ path: path.resolve(__dirname, ".env") });
+
 import { PrismaClient } from "../generated/prisma";
+import { PrismaPg } from "@prisma/adapter-pg";
 import bcrypt from "bcrypt";
-const prisma = new PrismaClient();
+
+const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL });
+const prisma = new PrismaClient({ adapter } as any);
 
 function formatTime(date: Date): string {
   return date.toTimeString().slice(0, 5); // "HH:MM"