feat: codex channel (#2652)

* feat: codex channel

* feat: codex channel

* feat: codex oauth flow

* feat: codex refresh cred

* feat: codex usage

* fix: codex err message detail

* fix: codex setting ui

* feat: codex refresh cred task

* fix: import err

* fix: codex store must be false

* fix: chat -> responses tool call

* fix: chat -> responses tool call

relay/channel/codex/oauth_key.go

@@ -0,0 +1,30 @@
+package codex
+
+import (
+	"errors"
+
+	"github.com/QuantumNous/new-api/common"
+)
+
+type OAuthKey struct {
+	IDToken      string `json:"id_token,omitempty"`
+	AccessToken  string `json:"access_token,omitempty"`
+	RefreshToken string `json:"refresh_token,omitempty"`
+
+	AccountID   string `json:"account_id,omitempty"`
+	LastRefresh string `json:"last_refresh,omitempty"`
+	Email       string `json:"email,omitempty"`
+	Type        string `json:"type,omitempty"`
+	Expired     string `json:"expired,omitempty"`
+}
+
+func ParseOAuthKey(raw string) (*OAuthKey, error) {
+	if raw == "" {
+		return nil, errors.New("codex channel: empty oauth key")
+	}
+	var key OAuthKey
+	if err := common.Unmarshal([]byte(raw), &key); err != nil {
+		return nil, errors.New("codex channel: invalid oauth key json")
+	}
+	return &key, nil
+}