Add order deletion functionality

- Add delete button to AdminOrders dialog with Trash2 and AlertTriangle icons
- Create delete-order edge function to handle deletion requests
- Add database migration for delete_order function with comprehensive cleanup
- Update config.toml to register delete-order edge function
- Deletion sequence: reviews → consulting slots → order items → user access → order

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

supabase/migrations/20241223_order_deletion_function.sql

@@ -0,0 +1,85 @@
+-- ============================================================================
+-- Order Deletion Function
+-- ============================================================================
+-- Safely deletes an order and all related data in the correct sequence
+-- to maintain database integrity and avoid orphaned records.
+-- ============================================================================
+
+CREATE OR REPLACE FUNCTION delete_order(order_uuid UUID)
+RETURNS JSON AS $$
+DECLARE
+  order_user_id UUID;
+  order_payment_status TEXT;
+  deleted_counts JSON;
+BEGIN
+  -- Get order details first
+  SELECT user_id, payment_status
+  INTO order_user_id, order_payment_status
+  FROM orders
+  WHERE id = order_uuid;
+
+  IF NOT FOUND THEN
+    RETURN jsonb_build_object(
+      'success', false,
+      'error', 'Order not found'
+    );
+  END IF;
+
+  -- Log the deletion
+  RAISE NOTICE 'Deleting order: %', order_uuid;
+
+  -- Step 1: Delete consulting-related reviews
+  DELETE FROM reviews
+  WHERE order_id = order_uuid
+  AND type = 'consulting';
+  RAISE NOTICE 'Deleted consulting reviews for order %', order_uuid;
+
+  -- Step 2: Delete consulting slots (this also removes meet_link references)
+  DELETE FROM consulting_slots
+  WHERE order_id = order_uuid;
+  RAISE NOTICE 'Deleted consulting slots for order %', order_uuid;
+
+  -- Step 3: Delete order items
+  DELETE FROM order_items
+  WHERE order_id = order_uuid;
+  RAISE NOTICE 'Deleted order items for order %', order_uuid;
+
+  -- Step 4: Delete user access records (only if order was paid)
+  IF order_payment_status = 'paid' THEN
+    DELETE FROM user_access
+    WHERE user_id = order_user_id
+    AND product_id IN (
+      SELECT product_id FROM order_items WHERE order_id = order_uuid
+    );
+    RAISE NOTICE 'Deleted user access for order %', order_uuid;
+  END IF;
+
+  -- Step 5: Finally delete the order itself
+  DELETE FROM orders
+  WHERE id = order_uuid;
+  RAISE NOTICE 'Deleted order %', order_uuid;
+
+  -- Build success response with counts
+  deleted_counts := jsonb_build_object(
+    'success', true,
+    'order_id', order_uuid,
+    'message', 'Order and all related data deleted successfully'
+  );
+
+  RETURN deleted_counts;
+EXCEPTION
+  WHEN OTHERS THEN
+    RETURN jsonb_build_object(
+      'success', false,
+      'error', SQLERRM,
+      'detail', 'Failed to delete order: ' || order_uuid
+    );
+END;
+$$ LANGUAGE plpgsql SECURITY DEFINER;
+
+-- Grant execute permission
+GRANT EXECUTE ON FUNCTION delete_order(UUID) TO postgres;
+GRANT EXECUTE ON FUNCTION delete_order(UUID) TO authenticated;
+
+-- Add comment
+COMMENT ON FUNCTION delete_order(UUID) IS 'Safely deletes an order and all related data (reviews, consulting slots, order items, user access) in the correct sequence to maintain data integrity.';