docs: add consolidated dev URL reference and migrate /shop to /storefront

- Add Development URL Quick Reference section to url-routing overview
  with all login URLs, entry points, and full examples
- Replace /shop/ path segments with /storefront/ across 50 docs files
- Update file references: shop_pages.py → storefront_pages.py,
  templates/shop/ → templates/storefront/, api/v1/shop/ → api/v1/storefront/
- Preserve domain references (orion.shop) and /store/ staff dashboard paths
- Archive docs left unchanged (historical)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/development/auth-dependencies-guide.md

@@ -26,8 +26,8 @@ FastAPI routes use different authentication dependencies based on whether they s
 
 | Dependency | Use Case | Accepts | Description |
 |------------|----------|---------|-------------|
-| `get_current_customer_from_cookie_or_header` | HTML pages | Cookie OR Header | For shop account pages like `/shop/account/dashboard` |
-| `get_current_customer_api` | API endpoints | Header ONLY | For shop API routes like `/api/v1/shop/cart` |
+| `get_current_customer_from_cookie_or_header` | HTML pages | Cookie OR Header | For storefront account pages like `/storefront/account/dashboard` |
+| `get_current_customer_api` | API endpoints | Header ONLY | For storefront API routes like `/api/v1/storefront/cart` |
 | `get_current_customer_optional` | Login pages | Cookie OR Header | Returns `None` instead of raising exception |
 
 ## When to Use Which?