Add product variants API, deployment scripts, and documentation

- Add Node.js variant-api server with PostgreSQL integration
- Add new utility scripts for system verification and website status
- Update CI/CD workflow configuration
- Add color variant solution documentation
- Add product variants JavaScript support
- Update gitignore for new build artifacts

verify-database.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# Comprehensive PostgreSQL Database Verification and Repair Script for SkyArtShop
+
+echo "================================================"
+echo "PostgreSQL Database Verification - SkyArtShop"
+echo "================================================"
+echo ""
+
+# 1. Check PostgreSQL Service
+echo "[1] Checking PostgreSQL Service..."
+sudo systemctl status postgresql --no-pager | grep -E "Active|loaded"
+echo ""
+
+# 2. Check all table structures
+echo "[2] Table Structures and Row Counts..."
+sudo -u postgres psql -d skyartshop << 'EOF'
+SELECT 
+  tablename,
+  (SELECT COUNT(*) FROM pg_indexes WHERE pg_indexes.tablename = pg_tables.tablename) as index_count,
+  (SELECT string_agg(indexname, ', ') FROM pg_indexes WHERE pg_indexes.tablename = pg_tables.tablename) as indices
+FROM pg_tables 
+WHERE schemaname='public'
+ORDER BY tablename;
+EOF
+echo ""
+
+# 3. Check for any locks or blocking queries
+echo "[3] Checking for Active Connections and Locks..."
+sudo -u postgres psql -d skyartshop << 'EOF'
+SELECT pid, usename, application_name, query, query_start
+FROM pg_stat_activity 
+WHERE datname='skyartshop' AND state != 'idle'
+ORDER BY query_start DESC;
+EOF
+echo ""
+
+# 4. Check schema integrity
+echo "[4] Checking Foreign Key Constraints..."
+sudo -u postgres psql -d skyartshop << 'EOF'
+SELECT 
+  constraint_name,
+  table_name,
+  column_name,
+  referenced_table_name,
+  referenced_column_name
+FROM information_schema.referential_constraints rc
+JOIN information_schema.key_column_usage kcu 
+  ON rc.constraint_name = kcu.constraint_name
+WHERE constraint_schema='public'
+ORDER BY table_name;
+EOF
+echo ""
+
+# 5. Check permissions
+echo "[5] Checking User Permissions..."
+sudo -u postgres psql -d skyartshop << 'EOF'
+SELECT grantee, privilege_type, table_name
+FROM information_schema.table_privileges 
+WHERE grantee='skyartapp'
+ORDER BY table_name, privilege_type;
+EOF
+echo ""
+
+# 6. Test application user connection
+echo "[6] Testing skyartapp User Connection..."
+PGPASSWORD='SkyArt2025Pass!' psql -h localhost -U skyartapp -d skyartshop -c "SELECT version();" 2>&1 | head -5
+echo ""
+
+# 7. Check table sizes
+echo "[7] Table Sizes..."
+sudo -u postgres psql -d skyartshop << 'EOF'
+SELECT 
+  tablename,
+  pg_size_pretty(pg_total_relation_size(schemaname||'.'||tablename)) as size
+FROM pg_tables 
+WHERE schemaname='public'
+ORDER BY pg_total_relation_size(schemaname||'.'||tablename) DESC;
+EOF
+echo ""
+
+echo "================================================"
+echo "Verification Complete"
+echo "================================================"