Use raw SQL for admin user creation to ensure login works

backend/seed.js

@@ -1,6 +1,6 @@
 const { sequelize, connectDB } = require('./config/database');
 const Block = require('./models/Block');
-const User = require('./models/User');
+const bcrypt = require('bcryptjs');
 
 const eventBlocks = [
   {
@@ -115,25 +115,28 @@ const eventBlocks = [
 async function seed() {
   try {
     await connectDB();
-    // Create admin user if not exists
-    const existingUser = await User.findOne({ where: { email: 'admin@cad.local' } });
-    if (!existingUser) {
-      await User.create({ email: 'admin@cad.local', password: 'admin123' });
-      console.log('Admin user created: admin@cad.local / admin123');
-    }
+    // Use raw SQL to create user, bcrypt hashing via sequelize might fail, so we do raw
+    const hashedPassword = bcrypt.hashSync('admin123', 10);
+    await sequelize.query(`
+      INSERT INTO "Users" ("email", "password", "createdAt", "updatedAt")
+      VALUES (:email, :password, datetime('now'), datetime('now'))
+      ON CONFLICT ("email") DO NOTHING;
+    `, {
+      replacements: { email: 'admin@cad.local', password: hashedPassword },
+      type: sequelize.QueryTypes.INSERT
+    });
+    console.log('Admin user ensured.');
     // Clear existing blocks
     await Block.destroy({ where: {} });
     console.log('Existing blocks cleared.');
-    // Insert new blocks
     for (const block of eventBlocks) {
       await Block.create(block);
     }
-    console.log(`${eventBlocks.length} blocks created successfully.`);
+    console.log(`${eventBlocks.length} blocks created.`);
     process.exit(0);
   } catch (err) {
     console.error('Seed failed:', err);
     process.exit(1);
   }
 }
-
 seed();