Add BlueBubbles to Phone controls

tests/quickshell/control-center-contract.sh

@@ -90,6 +90,18 @@ for component in ControlSectionHeader HomeBrightnessSlider HomeControls HomeTile
         || fail "$component is missing"
 done
 
+[[ "$(rg -c 'id: "(share|clipboard|ring|messages)"' "$quicksettings_path/PhoneControls.qml")" -eq 4 ]] \
+    || fail 'Phone controls do not expose four stable action models'
+rg -Fq 'columns: 4' "$quicksettings_path/PhoneControls.qml" \
+    || fail 'Phone actions are not arranged in four equal columns'
+if rg -Fq '.filter(' "$quicksettings_path/PhoneControls.qml"; then
+    fail 'Phone action columns change when a KDE capability is unavailable'
+fi
+rg -Fq 'SystemSettings.bluebubblesAvailable' "$quicksettings_path/PhoneControls.qml" \
+    || fail 'Messages action is not independently enabled by BlueBubbles'
+rg -Fq 'KdeConnect.phoneReachable' "$quicksettings_path/PhoneControls.qml" \
+    || fail 'KDE action reachability behavior is missing'
+
 [[ -f "$quicksettings_path/qmldir" ]] \
     || fail 'quick-settings module manifest is missing'
 rg -Fq 'HomeBrightnessSlider 1.0 HomeBrightnessSlider.qml' \