fix(editor): keep shift-click selection in query editor

apps/desktop/src/components/editor/QueryEditor.vue

@@ -1337,6 +1337,11 @@ function updateEditorSelectionDropCursor(currentView: EditorViewType, event: Mou
 }
 
 function startEditorSelectionDrag(currentView: EditorViewType, event: MouseEvent): boolean {
+  // Shift is CodeMirror's native extend-selection gesture. Keep it out of the
+  // custom selection drag path so a shift-click inside the current selection
+  // extends or shrinks the selection instead of collapsing it to the cursor.
+  if (event.shiftKey) return false;
+
   const selection = selectedRangeAtPointer(currentView, event);
   if (!selection) return false;
 

apps/desktop/src/components/editor/__tests__/QueryEditorContextMenu.spec.ts

@@ -165,3 +165,16 @@ describe("QueryEditor batch column selection", () => {
     expect(source).toContain("maxRenderedOptions: batchColumnSelectionExpandedRendering ? Number.MAX_SAFE_INTEGER : 100,");
   });
 });
+
+describe("QueryEditor pointer selection", () => {
+  it("lets CodeMirror handle shift-click instead of starting the selection drag gesture", () => {
+    const start = source.indexOf("function startEditorSelectionDrag");
+    const end = source.indexOf("\n}\n\nfunction executeFromContextMenu", start);
+    const dragSource = source.slice(start, end);
+
+    expect(start).toBeGreaterThanOrEqual(0);
+    expect(end).toBeGreaterThan(start);
+    expect(dragSource).toContain("if (event.shiftKey) return false;");
+    expect(dragSource.indexOf("if (event.shiftKey) return false;")).toBeLessThan(dragSource.indexOf("const selection = selectedRangeAtPointer"));
+  });
+});