Replace outdated symbolic geometries with the current curated set and update preference wrappers to match. Add missing alias icons used by System Settings actions (draw-highlight, view-hidden, help-contents, color-picker).
KWin Overview 6.6 asks for the raw delete icon name on its virtual desktop delete button. Provide delete and delete-symbolic in the Shift icon theme, and point nearby KDE delete aliases at the existing close glyph so the button renders as an X instead of a fallback icon.
Guard the aliases in the icon theme coverage check.
Kirigami.Icon { isMask: true } flattens an SVG to its alpha, so when a quick-setting tile resolves to a colored preferences/scalable glyph the whole rounded background collapses into a solid square. Append -symbolic to the five icon names that collided with colored tiles and add symlink aliases where no real symbolic variant exists yet. Guard the regression with a check in tests/check-shift-icon-theme.sh.
Install org.shift.icons as the look-and-feel icon theme while keeping the Plasma style on breeze-dark. Add the icon-theme coverage guard and CTest registration so shell, System Settings, KCM, and installed Plasma icon names do not silently fall back to missing Breeze-only assets.
Document the theme rules and add scoped REUSE metadata for the Phosphor-derived SVG glyphs.
