From 53608f917a73fc592ada56d92a75d89a5dd66abf Mon Sep 17 00:00:00 2001
From: appleb_m <martin.appleby@psi.ch>
Date: Fri, 27 Mar 2026 17:08:35 +0100
Subject: [PATCH] error_codes: added NOT_BATON_HOLDER error code and helper

---
 src/aare/common/error_codes.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/aare/common/error_codes.py b/src/aare/common/error_codes.py
index d4247300..9179291b 100644
--- a/src/aare/common/error_codes.py
+++ b/src/aare/common/error_codes.py
@@ -25,6 +25,7 @@ class AuthErrorCode(StrEnum):
     # Authorization
     NOT_STAFF = "NOT_STAFF"
     NOT_IN_ACTIVE_PGROUP = "NOT_IN_ACTIVE_PGROUP"
+    NOT_BATON_HOLDER = "NOT_BATON_HOLDER"
 
 
 class DAQErrorCode(StrEnum):
@@ -48,6 +49,8 @@ _ERROR_CODE_HELP: dict[str, str] = {
         "A different session currently owns control. Use “force current session” (if allowed) "
         "or wait for the active session to expire/end."
     ),
+    AuthErrorCode.NOT_BATON_HOLDER: (
+        "A different session currently owns the baton. Request the baton or wait for active session to expire/end"),
     # Authorization
     AuthErrorCode.FORBIDDEN: (
         "Generic permissions failure. The user is authenticated but not allowed to perform this action."