chore: force wipe database before seeding

.env.example

@@ -2,4 +2,4 @@
 # Connection string for PostgreSQL.
 # Requires PostgreSQL >= 15.
 
-DATABASE_URL="postgresql://neet:neet@localhost:5432/neet"
+DATABASE_URL="postgresql://neet:neet@127.0.0.1:5432/neet"

src/prisma/seed.ts

@@ -5,6 +5,31 @@ import { db } from "./db.ts";
 async function main() {
 	console.log("Seeding database... 🌱");
 
+	// Forcefully wipe ALL tables intelligently using a dynamic Postgres query!
+	// This automatically finds all your tables (even if you add new ones later)
+	// and TRUNCATES them, while ignoring Prisma's internal state tables.
+	const wipePlan = db.raw.sql`
+    DO $$ 
+    DECLARE
+        r RECORD;
+    BEGIN
+        FOR r IN (
+          SELECT tablename 
+          FROM pg_tables 
+          WHERE schemaname = 'public' 
+            AND tablename NOT LIKE 'prisma_%' 
+            AND tablename != '_prisma_migrations'
+        ) LOOP
+            EXECUTE 'TRUNCATE TABLE ' || quote_ident(r.tablename) || ' CASCADE';
+        END LOOP;
+    END $$;
+  `
+		.affectedCount()
+		.build();
+
+	await db.runtime().execute(wipePlan);
+	console.log("Database wiped perfectly! 🧹");
+
 	// Create some users
 	const alice = await db.orm.public.User.create({
 		name: "Alice Silva",
@@ -29,7 +54,6 @@ async function main() {
 	});
 
 	// Add availability for Alice (she is free today 14:00 - 15:30)
-	// We use ZonedDateTime to get an accurate Instant for Lisbon time
 	const aliceStart = today
 		.toZonedDateTime({ timeZone: "Europe/Lisbon", plainTime: "14:00" })
 		.toInstant();