phsl / new-api

Fix v1 frontend regressions across channel forms, dashboard charts, wallet history, payment callbacks, invite links, API key groups, rate-limit errors, and usage-log scrolling.

Fixes #4715
Fixes #4618
Fixes #4699
Fixes #4651
Fixes #4637
Fixes #4682
Fixes #4691
Fixes #4565
Fixes #4334