Add OpenAI Codex Multiplexer service

option/ocm.go

@@ -0,0 +1,20 @@
+package option
+
+import (
+	"github.com/sagernet/sing/common/json/badoption"
+)
+
+type OCMServiceOptions struct {
+	ListenOptions
+	InboundTLSOptionsContainer
+	CredentialPath string               `json:"credential_path,omitempty"`
+	Users          []OCMUser            `json:"users,omitempty"`
+	Headers        badoption.HTTPHeader `json:"headers,omitempty"`
+	Detour         string               `json:"detour,omitempty"`
+	UsagesPath     string               `json:"usages_path,omitempty"`
+}
+
+type OCMUser struct {
+	Name  string `json:"name,omitempty"`
+	Token string `json:"token,omitempty"`
+}