Clerk failed to load.

Fix these first:

• CLERK_PUBLISHABLE_KEY must be set (prod key for prod instance)
• CLERK_FRONTEND_API must be set to the instance Frontend API (not your app URL)
• In DevTools → Network, the script request must return 200 (not 404/blocked)

Current values:
CLERK_FRONTEND_API:
CLERK_PUBLISHABLE_KEY starts with: