The CMS catch-all route /{store_code}/{slug} was registered before tenancy's
/{store_code}/login because modules are discovered alphabetically (cms before
tenancy). Also fix login.js store code extraction for /platforms/{code}/store/...
URL pattern.
- Add ROUTE_CONFIG priority=100 to CMS store pages so catch-all registers last
- Sort get_store_page_routes() by priority (matching other route getters)
- Use indexOf('store') in login.js to support platform-prefixed URLs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>