Complete initial setup: dependencies, Prisma fixes, and database setup guides

- Install backend and frontend dependencies
- Fix Prisma schema BigInt default values
- Generate Prisma client
- Create database setup script and documentation
- Add DATABASE_SETUP.md guide

backend/scripts/setup-database.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Database setup script for ASLE backend
+# This script helps set up PostgreSQL database for development
+
+set -e
+
+echo "=== ASLE Database Setup ==="
+echo ""
+
+# Check if PostgreSQL is running
+if ! pg_isready -h localhost -p 5432 > /dev/null 2>&1; then
+    echo "❌ PostgreSQL is not running on localhost:5432"
+    echo ""
+    echo "Please start PostgreSQL:"
+    echo "  - Using Docker: docker-compose up -d postgres"
+    echo "  - Using systemd: sudo systemctl start postgresql"
+    echo "  - Or install PostgreSQL: sudo apt install postgresql"
+    exit 1
+fi
+
+echo "✅ PostgreSQL is running"
+echo ""
+
+# Try to connect and create database
+echo "Attempting to create database 'asle'..."
+
+# Try different connection methods
+if psql -U postgres -c "CREATE DATABASE asle;" 2>/dev/null; then
+    echo "✅ Database 'asle' created using postgres user"
+    DB_USER="postgres"
+elif psql -d postgres -c "CREATE DATABASE asle;" 2>/dev/null; then
+    echo "✅ Database 'asle' created using peer authentication"
+    DB_USER=$(whoami)
+else
+    echo "⚠️  Could not create database automatically"
+    echo ""
+    echo "Please create the database manually:"
+    echo "  psql -U postgres -c \"CREATE DATABASE asle;\""
+    echo ""
+    echo "Or update backend/.env with correct DATABASE_URL:"
+    echo "  DATABASE_URL=\"postgresql://username:password@localhost:5432/asle?schema=public\""
+    echo ""
+    read -p "Press Enter after creating the database..."
+fi
+
+echo ""
+echo "=== Database Setup Complete ==="
+echo ""
+echo "Next steps:"
+echo "  1. Update backend/.env with correct DATABASE_URL"
+echo "  2. Run: cd backend && npm run prisma:migrate"
+echo "  3. Run: npm run setup:db"
+echo "  4. Run: npm run setup:admin"
+