RP 로그인 이력 통합

backend/internal/middleware/audit_middleware.go

@@ -150,6 +150,9 @@ func AuditMiddleware(config AuditConfig) fiber.Handler {
 		if sessionID != "" {
 			details["session_id"] = sessionID
 		}
+		if approvedSessionID, ok := c.Locals("approved_session_id").(string); ok && approvedSessionID != "" {
+			details["approved_session_id"] = approvedSessionID
+		}
 		if err != nil {
 			details["error"] = err.Error()
 		}