feat(mongo): preserve BSON types when cloning and saving documents

packages/app-tests/dataGridEditor.test.ts

@@ -109,7 +109,7 @@ function createQuickEntryEditor(options: {
   rowStatusFilter?: ReturnType<typeof ref<RowStatusFilter>>;
   filterRowsInGetRowItem?: boolean;
   supportsInsert?: boolean;
-  save?: (changes: { dirtyRows: Map<number, Map<number, CellValue>>; newRows: CellValue[][] }) => Promise<void>;
+  save?: (changes: { dirtyRows: Map<number, Map<number, CellValue>>; newRows: CellValue[][]; newRowMeta: Array<{ sourceIndex?: number; editedColumns?: number[] }> }) => Promise<void>;
 }) {
   const result = computed(() => ({
     columns: ["id", "name"],
@@ -376,6 +376,48 @@ test("cloning a row copies non-generated primary key values without executing sa
   assert.deepEqual(editor.newRows.value, []);
 });
 
+test("cloning a row preserves its source and edited columns for custom saves", async () => {
+  setActivePinia(createPinia());
+  installBrowserTestGlobals();
+
+  let savedMeta: Array<{ sourceIndex?: number; editedColumns?: number[] }> | undefined;
+  const editor = createQuickEntryEditor({
+    quickEntryEnabled: false,
+    save: async (changes) => {
+      savedMeta = changes.newRowMeta;
+    },
+  });
+
+  editor.cloneRow(0);
+  assert.equal(editor.newRowMeta.value[0]?.sourceIndex, 0);
+  assert.deepEqual(editor.newRowMeta.value[0]?.editedColumns, undefined);
+
+  editor.applyCellValue(-1, 1, "Grace");
+  assert.deepEqual(editor.newRowMeta.value[0]?.editedColumns, [1]);
+
+  await editor.saveChanges();
+  assert.deepEqual(savedMeta, [
+    {
+      token: 1,
+      placement: null,
+      sourceIndex: 0,
+      editedColumns: [1],
+    },
+  ]);
+});
+
+test("cloning an edited source row marks its pending changes as explicit", () => {
+  setActivePinia(createPinia());
+  installBrowserTestGlobals();
+
+  const editor = createQuickEntryEditor({ quickEntryEnabled: false });
+  editor.applyCellValue(0, 1, "Lin");
+  editor.cloneRow(0);
+
+  assert.deepEqual(editor.newRows.value, [[1, "Lin"]]);
+  assert.deepEqual(editor.newRowMeta.value[0]?.editedColumns, [1]);
+});
+
 test("cloning a row clears auto-generated key columns", async () => {
   setActivePinia(createPinia());
   installBrowserTestGlobals();

packages/app-tests/documentBrowser.test.ts

@@ -31,6 +31,16 @@ test("mongo document table passes copy context to the data grid", () => {
   assert.match(source, /props\.databaseType === "mongodb" && mongoCopyDocumentsAvailable\.value/);
 });
 
+test("mongo document row clones reuse the type-preserving source document for saves and previews", () => {
+  const source = documentBrowserSource();
+  assert.match(source, /type DocumentGridChanges = \{[\s\S]*?newRowMeta: GridNewRowMeta\[\];/);
+  assert.match(source, /function buildMongoGridInsertDocument\([\s\S]*?copyDocuments\.value\[sourceIndex\][\s\S]*?buildMongoCopyDocumentFromOriginal\([\s\S]*?excludePrimaryKeys: true/);
+  assert.match(source, /buildMongoGridInsertDocument\(newRow, cols, newRowMeta\)/);
+  assert.match(source, /buildMongoGridInsertDocument\(newRow, columns, newRowMeta\[newRowIndex\]\)/);
+  assert.match(source, /preserveBsonTypes = sourceIndex !== undefined && copyDocuments\.value\[sourceIndex\] !== undefined/);
+  assert.match(source, /documentInsertDocument\(props\.connectionId, props\.database, props\.collection, JSON\.stringify\(doc\), undefined, preserveBsonTypes\)/);
+});
+
 test("document edit mode toggles whole JSON editing for insert and save", () => {
   const source = documentBrowserSource();
   assert.match(source, /documentEditMode = ref<"fields" \| "json">\("json"\)/);