- Register Prometheus ChannelCollector in GetMetrics() sync.Once block
- Add MetricsMiddleware to /v1 and /v1beta relay router groups when metrics enabled
- Remove public_name field from channel creation form and validation
- Restore InvitationCard in topup page
- Extract fetchSearchPage helper in useModelsData to eliminate ~50 lines of duplication; fix setSearching with finally block; use Axios params for URL encoding; fix missing vendor_counts update during paginated search
- Fix vendor ordering in HomePricingFilters to follow vendorsMap sort_order; fix O(n²) Array.includes to use Set

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>