Fix HTML rendering for service descriptions, allow zero price for services, improve image_url handling

backend/drop_price_constraints.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Drop check constraints on services and products tables
+# Run with: sudo ./drop_price_constraints.sh
+
+sudo -u postgres psql -d prompttech << 'SQL'
+ALTER TABLE services DROP CONSTRAINT IF EXISTS chk_services_price_positive;
+ALTER TABLE products DROP CONSTRAINT IF EXISTS chk_products_price_positive;
+\echo 'Constraints dropped successfully'
+SQL