feat: channel affinity (#2669)

* 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

setting/model_setting/global.go

@@ -11,20 +11,25 @@ type ChatCompletionsToResponsesPolicy struct {
 	Enabled       bool     `json:"enabled"`
 	AllChannels   bool     `json:"all_channels"`
 	ChannelIDs    []int    `json:"channel_ids,omitempty"`
+	ChannelTypes  []int    `json:"channel_types,omitempty"`
 	ModelPatterns []string `json:"model_patterns,omitempty"`
 }
 
-func (p ChatCompletionsToResponsesPolicy) IsChannelEnabled(channelID int) bool {
+func (p ChatCompletionsToResponsesPolicy) IsChannelEnabled(channelID int, channelType int) bool {
 	if !p.Enabled {
 		return false
 	}
 	if p.AllChannels {
 		return true
 	}
-	if channelID == 0 || len(p.ChannelIDs) == 0 {
-		return false
+
+	if channelID > 0 && len(p.ChannelIDs) > 0 && slices.Contains(p.ChannelIDs, channelID) {
+		return true
 	}
-	return slices.Contains(p.ChannelIDs, channelID)
+	if channelType > 0 && len(p.ChannelTypes) > 0 && slices.Contains(p.ChannelTypes, channelType) {
+		return true
+	}
+	return false
 }
 
 type GlobalSettings struct {