Update 17 E2E test files including admin, auth, inquiries, listings, payments, search, subscriptions, and MCP specs. Update listings fixture and global setup to align with latest schema changes. Co-Authored-By: Paperclip <noreply@paperclip.ing>
Cover auth handlers (RegisterUser, LoginUser, RefreshToken), TokenService (token rotation, reuse attack detection), payment callback edge cases (duplicate/concurrent callbacks, multi-provider), subscription lifecycle transitions (expire, pastDue, renew), and throttler proxy guard. Co-Authored-By: Paperclip <noreply@paperclip.ing>
