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

inventory-server/scripts/reset-metrics.js

@@ -84,6 +84,14 @@ async function resetMetrics() {
         // Disable foreign key checks first
         await connection.query('SET FOREIGN_KEY_CHECKS = 0');
 
+        // Drop the metrics views first
+        outputProgress({
+            status: 'running',
+            operation: 'Dropping metrics views',
+            percentage: '15'
+        });
+        await connection.query('DROP VIEW IF EXISTS inventory_health, product_sales_trends');
+
         // Drop only the metrics tables if they exist
         const [existing] = await connection.query(`
             SELECT GROUP_CONCAT(table_name) as tables