fix(objects): support modifier-click table selection

apps/desktop/src/lib/table/objectBrowserSelection.ts

@@ -0,0 +1,25 @@
+import type { ObjectBrowserRow } from "@/lib/table/objectBrowserRows";
+
+export function objectBrowserTableSelectionAnchor(rows: readonly ObjectBrowserRow[], anchorId: string | null, currentId: string): string {
+  if (anchorId && rows.some((row) => row.id === anchorId && row.type === "TABLE")) return anchorId;
+  return currentId;
+}
+
+/**
+ * Compute the contiguous table-id range for a shift-click in the object
+ * browser, mirroring the sidebar tree's range-select behavior
+ * (sidebarTreeSelection.ts): the range spans every row between the anchor
+ * and the clicked row in visible order, but only TABLE rows are selectable
+ * so non-table rows inside the span are dropped from the result.
+ */
+export function objectBrowserTableSelectionRange(rows: readonly ObjectBrowserRow[], anchorId: string, currentId: string): string[] {
+  const anchorIndex = rows.findIndex((row) => row.id === anchorId);
+  const currentIndex = rows.findIndex((row) => row.id === currentId);
+  if (anchorIndex < 0 || currentIndex < 0) return rows.some((row) => row.id === currentId && row.type === "TABLE") ? [currentId] : [];
+  const start = Math.min(anchorIndex, currentIndex);
+  const end = Math.max(anchorIndex, currentIndex);
+  return rows
+    .slice(start, end + 1)
+    .filter((row) => row.type === "TABLE")
+    .map((row) => row.id);
+}