Update for project move on server, add ability to update existing POs, add spec lookup page, enhance copy down functionality.

.claude/CLAUDE.md

@@ -84,7 +84,7 @@ npm run setup      # Create required directories (logs, uploads)
 - PostgreSQL with connection pooling (pg library)
 - Pool initialized in `utils/db.js` via `initPool()`
 - Pool attached to `app.locals.pool` for route access
-- Environment variables loaded from `/var/www/html/inventory/.env` (production path)
+- Environment variables loaded from `/var/www/inventory/.env` (production path)
 
 **API Routes:** All prefixed with `/api/`
 - `/api/products` - Product CRUD operations
@@ -164,7 +164,7 @@ Run tests for individual components or features:
 
 ## Important Notes
 
-- Environment variables must be configured in `/var/www/html/inventory/.env` for production
+- Environment variables must be configured in `/var/www/inventory/.env` for production
 - The frontend expects the backend at `/api` (proxied in dev, served together in production)
 - PM2 is used for production process management
 - Database uses PostgreSQL with SSL support (configurable via `DB_SSL` env var)