fix: clarify memory selection semantics

frontend/src/api/types.ts

@@ -36,6 +36,8 @@ export interface WidgetDescriptor {
   options?: WidgetOption[];
   reserved?: string[];
   allow_empty?: boolean;
+  selection_label?: string;
+  confirm_label?: string;
   artifact?: { kind: string; content?: string; [k: string]: unknown };
   level?: "info" | "warning" | "error";
   text?: string;

frontend/src/widgets/MultiselectWidget.test.tsx

@@ -22,6 +22,30 @@ test("confirms the checked ids including initially selected", async () => {
   expect(onRespond).toHaveBeenCalledWith({ id: "u1", kind: "multiselect", choices: ["t1", "t2"] });
 });
 
+test("uses memory-specific selection copy without changing selected ids", async () => {
+  const onRespond = vi.fn();
+  render(
+    <MultiselectWidget
+      descriptor={{
+        id: "u-memory",
+        widget: "multiselect",
+        selection_label: "memory da applicare",
+        confirm_label: "Applica le memory selezionate",
+        options: [
+          { id: "recommended", label: "Memory raccomandata", selected: true },
+          { id: "optional", label: "Memory opzionale", selected: false },
+        ],
+      }}
+      onRespond={onRespond}
+    />
+  );
+
+  expect(screen.getByRole("checkbox", { name: /memory raccomandata/i })).toBeChecked();
+  expect(screen.getByText("1 / 2 memory da applicare")).toBeInTheDocument();
+  await userEvent.click(screen.getByRole("button", { name: "Applica le memory selezionate" }));
+  expect(onRespond).toHaveBeenCalledWith({ id: "u-memory", kind: "multiselect", choices: ["recommended"] });
+});
+
 test("select-all checks all options", async () => {
   const onRespond = vi.fn();
   render(

frontend/src/widgets/MultiselectWidget.tsx

@@ -39,7 +39,7 @@ export function MultiselectWidget({ descriptor, onRespond }: WidgetProps) {
             {allChecked ? "Deselect all" : "Select all"}
           </button>
           <span className="text-xs tabular-nums text-muted-foreground">
-            {checked.size} / {options.length} selected
+            {checked.size} / {options.length} {descriptor.selection_label ?? "selected"}
           </span>
         </div>
         <div className="flex flex-col gap-1 pt-2">
@@ -67,7 +67,7 @@ export function MultiselectWidget({ descriptor, onRespond }: WidgetProps) {
           disabled={isDisabled}
           onClick={() => onRespond({ id: descriptor.id, kind: "multiselect", choices: Array.from(checked) })}
         >
-          Confirm
+          {descriptor.confirm_label ?? "Confirm"}
         </button>
       </div>
       <ReservedControls