Fix time out error on data import and fix regression on progress display + sort out core and metrics schemas better

inventory-server/db/schema.sql

@@ -110,21 +110,4 @@ CREATE TABLE purchase_orders (
 SET FOREIGN_KEY_CHECKS = 1;
 
 -- Create views for common calculations
-CREATE OR REPLACE VIEW product_sales_trends AS
-SELECT 
-    p.product_id,
-    p.SKU,
-    p.title,
-    COALESCE(SUM(o.quantity), 0) as total_sold,
-    COALESCE(AVG(o.quantity), 0) as avg_quantity_per_order,
-    COALESCE(COUNT(DISTINCT o.order_number), 0) as number_of_orders,
-    MIN(o.date) as first_sale_date,
-    MAX(o.date) as last_sale_date
-FROM 
-    products p
-LEFT JOIN 
-    orders o ON p.product_id = o.product_id
-WHERE 
-    o.canceled = false
-GROUP BY 
-    p.product_id, p.SKU, p.title; 
+-- product_sales_trends view moved to metrics-schema.sql