Move product status calculation to database, fix up products table, more categories tweaks

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

@@ -151,6 +151,9 @@ CREATE TABLE public.product_metrics (
     -- Yesterday's Metrics (Refreshed Hourly from daily_product_snapshots)
     yesterday_sales INT,
 
+    -- Product Status (Calculated from metrics)
+    status VARCHAR, -- Stores status values like: Critical, Reorder Soon, Healthy, Overstock, At Risk, New
+
     CONSTRAINT fk_product_metrics_pid FOREIGN KEY (pid) REFERENCES public.products(pid) ON DELETE CASCADE ON UPDATE CASCADE
 );
 
@@ -163,6 +166,7 @@ CREATE INDEX idx_product_metrics_revenue_30d ON public.product_metrics(revenue_3
 CREATE INDEX idx_product_metrics_sales_30d ON public.product_metrics(sales_30d DESC NULLS LAST); -- Example sorting index
 CREATE INDEX idx_product_metrics_current_stock ON public.product_metrics(current_stock);
 CREATE INDEX idx_product_metrics_sells_out_in_days ON public.product_metrics(sells_out_in_days ASC NULLS LAST); -- Example sorting index
+CREATE INDEX idx_product_metrics_status ON public.product_metrics(status); -- Index for status filtering
 
 -- Add new vendor, category, and brand metrics tables
 -- Drop tables in reverse order if they exist