Improve the UI and tests

services/inventory/migrations/001_add_performance_indexes.sql

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+-- ================================================================
+-- Performance Indexes Migration for Inventory Service
+-- Created: 2025-11-15
+-- Purpose: Add indexes to improve dashboard query performance
+-- ================================================================
+
+-- Index for ingredients by tenant and ingredient_category
+-- Used in: get_stock_by_category, get_business_model_metrics
+CREATE INDEX IF NOT EXISTS idx_ingredients_tenant_ing_category
+ON ingredients(tenant_id, ingredient_category)
+WHERE is_active = true;
+
+-- Index for ingredients by tenant and product_category
+-- Used in: get_stock_status_by_category
+CREATE INDEX IF NOT EXISTS idx_ingredients_tenant_prod_category
+ON ingredients(tenant_id, product_category)
+WHERE is_active = true;
+
+-- Index for stock by tenant, ingredient, and availability
+-- Used in: get_stock_summary_by_tenant, get_ingredient_stock_levels
+CREATE INDEX IF NOT EXISTS idx_stock_tenant_ingredient_available
+ON stock(tenant_id, ingredient_id, is_available);
+
+-- Index for food_safety_alerts by tenant, status, and severity
+-- Used in: get_alerts_by_severity, get_food_safety_dashboard
+CREATE INDEX IF NOT EXISTS idx_alerts_tenant_status_severity
+ON food_safety_alerts(tenant_id, status, severity);
+
+-- Index for stock_movements by tenant and movement_date (descending)
+-- Used in: get_movements_by_type, get_recent_activity
+CREATE INDEX IF NOT EXISTS idx_movements_tenant_date
+ON stock_movements(tenant_id, movement_date DESC);
+
+-- Index for stock by tenant and ingredient with quantity
+-- Used in: get_live_metrics with stock level calculations
+CREATE INDEX IF NOT EXISTS idx_stock_tenant_quantity
+ON stock(tenant_id, ingredient_id, quantity_current)
+WHERE is_available = true;
+
+-- Index for ingredients by tenant and creation date
+-- Used in: get_recent_activity for recently added ingredients
+CREATE INDEX IF NOT EXISTS idx_ingredients_tenant_created
+ON ingredients(tenant_id, created_at DESC)
+WHERE is_active = true;
+
+-- Composite index for stock movements by type and date
+-- Used in: get_movements_by_type with date filtering
+CREATE INDEX IF NOT EXISTS idx_movements_type_date
+ON stock_movements(tenant_id, movement_type, movement_date DESC);