feat(mysql): support safe grouped result editing

apps/desktop/src/composables/__tests__/useDataGridEditor.spec.ts

@@ -26,7 +26,7 @@ vi.mock("@/stores/productionSafetyStore", () => ({
   useProductionSafetyStore: () => ({}),
 }));
 
-function createEditor(sourceColumns?: Array<string | undefined>, confirmDangerousRowDeletion = true, cacheKey?: string) {
+function createEditor(sourceColumns?: Array<string | undefined>, confirmDangerousRowDeletion = true, cacheKey?: string, readonlyColumnIndexes?: number[]) {
   let editor: ReturnType<typeof useDataGridEditor>;
   const result = ref<{ columns: string[]; rows: CellValue[][] }>({
     columns: ["first", "hidden", "last"],
@@ -49,6 +49,7 @@ function createEditor(sourceColumns?: Array<string | undefined>, confirmDangerou
       primaryKeys: [],
     })),
     sourceColumns: computed(() => sourceColumns),
+    readonlyColumnIndexes: computed(() => (readonlyColumnIndexes ? new Set(readonlyColumnIndexes) : undefined)),
     onExecuteSql: computed(() => undefined),
     sql: computed(() => undefined),
     searchText: ref(""),
@@ -180,6 +181,14 @@ describe("useDataGridEditor appendPastedRowsToNewRow", () => {
     expect(editor.hasPendingChanges.value).toBe(true);
   });
 
+  it("keeps explicitly read-only mapped columns out of editing and paste", () => {
+    const editor = createEditor(["first", "hidden", "last"], true, undefined, [0]);
+
+    expect(editor.canEditColumn(0)).toBe(false);
+    expect(editor.canEditColumn(2)).toBe(true);
+    expect(editor.appendPastedRowsToNewRow(-1, [["Ada"]], [0])).toEqual({ ok: false, reason: "readonly-column" });
+  });
+
   it("fills following blank new rows before adding more rows", () => {
     const editor = createEditor();
     editor.newRows.value = [

apps/desktop/src/composables/useDataGridEditor.ts

@@ -86,6 +86,7 @@ export interface UseDataGridEditorOptions {
     | undefined
   >;
   sourceColumns?: ComputedRef<Array<string | undefined> | undefined>;
+  readonlyColumnIndexes?: ComputedRef<ReadonlySet<number> | undefined>;
   canEditExistingRows?: ComputedRef<boolean>;
   onExecuteSql: ComputedRef<((sql: string) => Promise<void>) | undefined>;
   customSaveHandler?: ComputedRef<CustomSaveHandler | undefined>;
@@ -201,6 +202,7 @@ export function useDataGridEditor(options: UseDataGridEditorOptions) {
     database,
     tableMeta,
     sourceColumns = computed(() => undefined),
+    readonlyColumnIndexes = computed(() => undefined),
     canEditExistingRows = computed(() => true),
     onExecuteSql,
     customSaveHandler,
@@ -607,7 +609,7 @@ export function useDataGridEditor(options: UseDataGridEditorOptions) {
 
   function canEditColumn(columnIndex: number): boolean {
     const sources = sourceColumns.value;
-    return !sources || sources[columnIndex] !== undefined;
+    return (!sources || sources[columnIndex] !== undefined) && !readonlyColumnIndexes.value?.has(columnIndex);
   }
 
   // --- Row data helpers ---