Import and calculate tweaks and fixes

inventory-server/db/config-schema-new.sql

@@ -150,7 +150,7 @@ CREATE TABLE IF NOT EXISTS calculate_history (
 );
 
 CREATE TABLE IF NOT EXISTS calculate_status (
-    module_name module_name PRIMARY KEY,
+    module_name text PRIMARY KEY,
     last_calculation_timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 

inventory-server/db/metrics-schema-new.sql

@@ -280,7 +280,7 @@ CREATE TABLE public.vendor_metrics (
     lifetime_sales INT NOT NULL DEFAULT 0, lifetime_revenue NUMERIC(18, 4) NOT NULL DEFAULT 0.00,
 
     -- Calculated KPIs (Based on 30d aggregates)
-    avg_margin_30d NUMERIC(7, 3) -- (profit / revenue) * 100
+    avg_margin_30d NUMERIC(14, 4) -- (profit / revenue) * 100
     -- Add more KPIs if needed (e.g., avg product value, sell-through rate for vendor)
 );
 CREATE INDEX idx_vendor_metrics_active_count ON public.vendor_metrics(active_product_count);