https://gitlab.synchro.net/main/sbbs/-/commit/24099f4ca14e5284596fd860
Added Files:
src/sbbs3/qtmonitor/textutil.h
Modified Files:
src/sbbs3/qtmonitor/actionwidget.cpp clientwidget.cpp loginattemptswidget.cpp logwidget.cpp nodewidget.cpp
Log Message:
qtmonitor: sanitize control characters in all MQTT-sourced text

Shared textutil.h provides setItemText() for QTreeWidget cells:
translates C0/DEL to Unicode Control Pictures with a cell tooltip
listing each control char found. Applied to all widgets displaying
MQTT data. Deduplicated control char tables from logwidget.cpp.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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