- Add Stripe Checkout session and Customer Portal API calls and mutation hooks
- Add success/cancel redirect pages for Stripe Checkout flow
- Update subscription status component with upgrade buttons, manage subscription, and trial badge
- Align subscription types (limits, feature benefits, upgrade triggers) with current API response shape
- Update demo provider data to match new type contracts
- Rename "Premium" tier references to "Pro" throughout
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Trey t
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