Catalog test fixture
Runtime playground
Use these pages to exercise SSR, hydration, HMR, SQLite, JSON handlers, public files, and analytics without touching a production site.
Loader + POST + SQLite
Guestbook
Submit a message, see it hydrate into the list, and confirm it survives a restart.
Client state
Refresh
Change the counter, edit a sentence, and check that Fast Refresh keeps the number.
GET handler
Status
Read SQLite health from a page loader and again from /api/health.
Analytics
Signals
Echo query strings and fire a first-party conversion on the public host.