phsl / new-api

* feat: channel affinity

* feat: channel affinity -> model setting

* fix: channel affinity

* feat: channel affinity op

* feat: channel_type setting

* feat: clean

* feat: cache supports both memory and Redis.

* feat: Optimise ui/ux

* feat: Optimise ui/ux

* feat: Optimise codex usage ui/ux

* feat: Optimise ui/ux

* feat: Optimise ui/ux

* feat: Optimise ui/ux

* feat: If the affinitized channel fails and a retry succeeds on another channel, update the affinity to the successful channel