Billing
You are on the free tier. Billing is currently disabled until real Stripe keys are provided.
To enable upgrade and portal flows, add real Stripe env vars to .env.local and restart.
NEXT_PUBLIC_STRIPE_PUBLIC_KEYSTRIPE_SECRET_KEYSTRIPE_WEBHOOK_SECRET(for webhooks)PREMIUM_PLAN_PRICE_IDBILLING_PORTAL_RETURN_URL
Until then, API routes return a structured stripe_not_configured and UI upgrade controls remain disabled.