migrate from SQLite to PostgreSQL with Drizzle ORM

- Updated all packages to latest versions (React 19, Next.js 14.2.32)
- Replaced sqlite3 with pg and drizzle-orm dependencies
- Created complete PostgreSQL schema with relationships and indexes
- Migrated all API endpoints from SQLite to Drizzle queries
- Added database seeding with sample data
- Updated authentication to use bcrypt instead of pbkdf2
- Configured connection pooling for PostgreSQL
- Updated app version to 1.0.0
- All endpoints tested and working correctly

scripts/seed.ts

@@ -0,0 +1,19 @@
+import * as dotenv from 'dotenv';
+
+// Load environment variables first
+dotenv.config({ path: '.env.local' });
+
+import { seedDatabase } from '../lib/db/seed';
+
+async function main() {
+  try {
+    console.log('Using DATABASE_URL:', process.env.DATABASE_URL ? 'configured' : 'missing');
+    await seedDatabase();
+    process.exit(0);
+  } catch (error) {
+    console.error('Failed to seed database:', error);
+    process.exit(1);
+  }
+}
+
+main();