Allow authors to renew and refill tokens when the current plan budget runs out.

Restore author self-serve billing: view plans, renew, upgrade, and invoices.

Fix embed unlock: redirect to HF /author, confirm on return, idempotent grant

Enforce plan embed slots with lock-on-save and paid Stripe unlock.

fix: pass author_id as granted_by for Stripe grants (NOT NULL on legacy DB)

Fix billing dashboard 500 after subscription repair.

Complete Stripe subscription grants with plan limits enforcement.

Reclaim orphaned Stripe subscription access for paying author.

Fix token-usage 500 after Stripe access repair.

Ensure paid Stripe authors always get ClientAccess grants.

Fix paid activation when account row is missing after Stripe checkout.

Paid Stripe checkout must always allow password setup and login.

Recover Stripe activation when subscription access row already exists.

Link existing author accounts during Stripe success-page activation.

Fix Stripe metadata access during checkout activation.

Fix post-payment activation failures on HF after Stripe checkout.

Complete Stripe billing E2E: checkout, onboarding, auto catalog sync.

fix: repair 8 broken unit tests after chatbot overhaul

Deliver enterprise features with JWT blacklist, SuperAdmin TOTP, and CI hardening.

Make Stripe optional at import and add billing test deps.

Add enterprise growth APIs, billing, admin UI, and test suite.

Implement Enterprise Worth Roadmap (R-139–R-173).