Merge master into wave-2

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

# Conflicts:
#	docs/traceability.md

ui/dr-ui/ui/app.slint

@@ -544,7 +544,6 @@ export component AppWindow inherits Window {
     callback library-cell-press-ended();
     /// TRACES: FR-UI-2 | FR-UI-4
     /// Two taps on a cell: in selection mode, the far end of a range.
-    callback library-cell-double-clicked(int);
     /// Renaming started on a row, by id — a double-click, or `F2`.
     callback collection-rename-start(int);
     /// A rename was committed: the collection's id and the new name.
@@ -594,7 +593,7 @@ export component AppWindow inherits Window {
     callback library-drag-finished();
     in property <int> library-selected-count: 0;
 
-    callback library-cell-pressed(int, bool, bool, bool);
+    callback library-cell-pressed(int, bool, bool);
     callback library-remove-from-collection();
 
     // The keyboard cursor: where the arrows are in the library, as an image
@@ -1568,11 +1567,10 @@ in property <bool> panel-visible: true;
                     open-settings() => { root.settings-open(); }
                     open-people() => { root.identity-open(); }
 
-                    cell-pressed(i, ctrl, shift, touch) => {
-                        root.library-cell-pressed(i, ctrl, shift, touch);
+                    cell-pressed(i, ctrl, shift) => {
+                        root.library-cell-pressed(i, ctrl, shift);
                     }
                     cell-press-ended() => { root.library-cell-press-ended(); }
-                    cell-double-clicked(i) => { root.library-cell-double-clicked(i); }
                     select-mode: root.library-select-mode;
                     toggle-select-mode() => { root.library-toggle-select-mode(); }
                     // The sidebar's rows, not a second model: the sheet files