headless login으로 리펙토링

backend/internal/domain/hydra_models.go

@@ -27,8 +27,8 @@ type HydraClient struct {
 	Metadata                map[string]interface{} `json:"metadata,omitempty"`
 }
 
-func (c *HydraClient) IsTrustedRP() bool {
-	// A Trusted RP must have a public key registered (URI or Inline)
+func (c *HydraClient) SupportsHeadlessLogin() bool {
+	// A headless login client must have a public key registered (URI or Inline)
 	// and use private_key_jwt for token endpoint authentication.
 	hasPublicKey := c.HeadlessJWKSURI() != "" || c.HeadlessJWKS() != nil
 	isPrivateKeyJwt := c.HeadlessTokenEndpointAuthMethod() == "private_key_jwt"
@@ -67,7 +67,7 @@ func (c *HydraClient) HeadlessJWKS() interface{} {
 }
 
 func (c *HydraClient) IsHeadlessLoginEnabled() bool {
-	if !c.IsTrustedRP() {
+	if !c.SupportsHeadlessLogin() {
 		return false
 	}
 	if c.Metadata == nil {