feat: add product detail enrichment for Magnit products

- Add isDetailsFetched field to Product model
- Add fetchProductDetails() and fetchProductObjectInfo() methods to MagnitApiScraper
- Add ProductParser methods for detail parsing
- Add ProductService methods: getProductsNeedingDetails(), updateProductDetails(), markAsDetailsFetched()
- Add enrich-product-details.ts script with statistics tracking
- Update package.json with "enrich" script command
- Add E2E_GUIDE.md documentation
- Exclude debug scripts from tsconfig type-check (temporary)

Co-Authored-By: Claude <noreply@anthropic.com>

prisma.config.ts

@@ -1,5 +1,5 @@
 import 'dotenv/config'
-import { defineConfig, env } from 'prisma/config'
+import { defineConfig } from 'prisma/config'
 
 export default defineConfig({
   schema: 'src/database/prisma/schema.prisma',
@@ -7,6 +7,6 @@ export default defineConfig({
     path: 'src/database/prisma/migrations',
   },
   datasource: {
-    url: env('DATABASE_URL'),
+    url: process.env.DATABASE_URL,
   },
 })