fix(grid): preserve null clipboard metadata

apps/desktop/src/composables/useDataGridExport.ts

@@ -7,6 +7,7 @@ import { useToast } from "@/composables/useToast";
 import { displayCellValue, type CellValue } from "@/lib/dataGrid/cellValue";
 import { tryStartExclusiveActivation, type ActionActivationGuard } from "@/lib/connection/actionActivation";
 import { copyToClipboard } from "@/lib/common/clipboard";
+import { clearDataGridClipboardCopy, rememberDataGridClipboardCopy } from "@/lib/dataGrid/dataGridClipboard";
 import { buildDataGridCopyInsertStatement, buildDataGridCopyUpdateStatements, type DataGridCopyInsertMode, type DataGridTableMeta } from "@/lib/dataGrid/dataGridSql";
 import { formatSqlInsert, formatTsv } from "@/lib/export/exportFormats";
 import { uuid } from "@/lib/common/utils";
@@ -210,9 +211,12 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
   } = options;
   const selectedCellMatrix = selectedCellMatrixOption ?? computed<CellSelectionMatrix | null>(() => null);
 
-  async function copyText(text: string) {
+  async function copyText(text: string, gridCopy?: { rows: readonly (readonly unknown[])[]; includeHeader?: boolean }) {
+    const copiedRows = gridCopy?.rows.map((row) => [...row]);
+    clearDataGridClipboardCopy();
     try {
       await copyToClipboard(text);
+      if (copiedRows) rememberDataGridClipboardCopy(text, copiedRows, gridCopy?.includeHeader);
       toast(t("grid.copied"));
     } catch (e: any) {
       toast(t("grid.copyFailed", { message: e?.message || String(e) }), 5000);
@@ -684,12 +688,14 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
   // --- Selection copy functions ---
   async function copySelectionTsv() {
     if (!hasCellSelection.value) return;
-    await copyText(formatSelectionAsTsv(selectedCells.value));
+    const selection = selectedCells.value;
+    await copyText(formatSelectionAsTsv(selection), { rows: selection.rows });
   }
 
   async function copySelectionTsvWithHeaders() {
     if (!hasCellSelection.value) return;
-    await copyText(formatSelectionAsTsv(selectedCells.value, true));
+    const selection = selectedCells.value;
+    await copyText(formatSelectionAsTsv(selection, true), { rows: selection.rows, includeHeader: true });
   }
 
   async function copySelectionCsv() {
@@ -711,14 +717,14 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     if (!hasRowSelection.value || selectedRowIds.value.size === 0) return;
     const rows = displayItems.value.filter((item) => selectedRowIds.value.has(item.id) && !item.isDraft).map((item) => item.data);
     if (rows.length === 0) return;
-    await copyText(formatSelectionAsTsv({ columns: columns.value, rows }));
+    await copyText(formatSelectionAsTsv({ columns: columns.value, rows }), { rows });
   }
 
   async function copySelectedRowsTsvWithHeaders() {
     if (!hasRowSelection.value || selectedRowIds.value.size === 0) return;
     const rows = displayItems.value.filter((item) => selectedRowIds.value.has(item.id) && !item.isDraft).map((item) => item.data);
     if (rows.length === 0) return;
-    await copyText(formatSelectionAsTsv({ columns: columns.value, rows }, true));
+    await copyText(formatSelectionAsTsv({ columns: columns.value, rows }, true), { rows, includeHeader: true });
   }
 
   async function copyColumnNames() {
@@ -753,7 +759,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     const item = getRowItem(contextCell.value.rowId);
     if (!item || item.isDraft) return;
     const val = item?.data[contextCell.value.col] ?? null;
-    await copyText(displayCellValue(val));
+    await copyText(displayCellValue(val), { rows: [[val]] });
   }
 
   async function copyRow() {
@@ -823,11 +829,9 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
 
   async function copyAll() {
     const header = columns.value.join("\t");
-    const body = displayItems.value
-      .filter((item) => !item.isDraft)
-      .map((item) => item.data.map((c) => displayCellValue(c)).join("\t"))
-      .join("\n");
-    await copyText(`${header}\n${body}`);
+    const rows = displayItems.value.filter((item) => !item.isDraft).map((item) => item.data);
+    const body = rows.map((row) => row.map((cell) => displayCellValue(cell)).join("\t")).join("\n");
+    await copyText(`${header}\n${body}`, { rows, includeHeader: true });
   }
 
   // --- Export functions ---