feat(angular): forward a label input to the drawer element

packages/angular/src/lib/components/chat/__tests__/copilot-drawer.spec.ts

@@ -471,3 +471,32 @@ test("copilotDrawerRow renders per-row slot content for each thread", () => {
   );
   expect(slotEl?.textContent?.trim()).toContain("ROW:Alpha");
 });
+
+// ---------------------------------------------------------------------------
+// label input forwarding
+// ---------------------------------------------------------------------------
+
+/** Host that passes a custom label to the drawer. */
+@Component({
+  selector: "test-host-label",
+  standalone: true,
+  imports: [CopilotDrawer],
+  template: `<copilot-drawer [label]="'Custom'" />`,
+})
+class HostWithLabelComponent {}
+
+test("label input is forwarded to the <copilotkit-drawer> element label property", () => {
+  TestBed.resetTestingModule();
+  TestBed.configureTestingModule({
+    imports: [HostWithLabelComponent],
+  });
+
+  const fixture = TestBed.createComponent(HostWithLabelComponent);
+  fixture.detectChanges();
+
+  const drawerEl = (fixture.nativeElement as HTMLElement).querySelector(
+    "copilotkit-drawer",
+  ) as HTMLElement & { label: string };
+
+  expect(drawerEl.label).toBe("Custom");
+});

packages/angular/src/lib/components/chat/copilot-drawer.ts

@@ -140,6 +140,12 @@ export class CopilotDrawer {
     alias: "data-testid",
   });
 
+  /**
+   * Optional accessible/region + default-header label forwarded to the element's
+   * `label` property; defaults to the element's own `"Threads"` when unset.
+   */
+  readonly label = input<string | undefined>();
+
   /**
    * Optional host override for the thread-select action.
    *
@@ -237,6 +243,7 @@ export class CopilotDrawer {
       el.activeThreadId = this.activeThreadId();
       el.hasMore = this.threads.hasMoreThreads();
       el.fetchingMore = this.threads.isFetchingMoreThreads();
+      if (this.label() !== undefined) el.label = this.label() as string;
     });
   }