From 7601cd6a7587540430f34c7499bdf6a62eaa79d2 Mon Sep 17 00:00:00 2001
From: Filip Leonarski <filip.leonarski@psi.ch>
Date: Sun, 18 Oct 2026 19:56:43 +0200
Subject: [PATCH] broker: clear file_prefix for the calibration sequence, so
 status no longer shows the previous run's prefix

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PXc1zD1yxHqaR1DGdCTHL4
---
 broker/JFJochStateMachine.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/broker/JFJochStateMachine.cpp b/broker/JFJochStateMachine.cpp
index 29ee052d0..ccadf4949 100644
--- a/broker/JFJochStateMachine.cpp
+++ b/broker/JFJochStateMachine.cpp
@@ -85,6 +85,8 @@ bool JFJochStateMachine::CalibrateJUNGFRAU(std::unique_lock<std::mutex> &ul) {
 
 void JFJochStateMachine::CalibrateDetector(std::unique_lock<std::mutex> ul) {
     cancel_sequence = false;
+    // Status and messages must not show the previous run's prefix; calibration writes no files anyway
+    experiment.FilePrefix("");
 
     pixel_mask = PixelMask(experiment);
     UpdatePixelMaskStatistics(pixel_mask.GetStatistics());