refactor: migrate to shared dde-shell app model - #791

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/setup-go@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Include file: <QLoggingCategory> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QGuiApplication> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QRect> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QFileInfo> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QDir> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <DDesktopServices> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <DStandardPaths> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <DDesktopEntry> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <DConfig> not found. Please note: Cppcheck does not need standard library headers to get proper results.