feat: Introduce DocumentOpenContext for document activation in the frontend

frontend/src/app/DocumentsRoute.tsx

@@ -5,6 +5,7 @@ import {
   DocumentsFilterProvider,
 } from '../documents/context/DocumentsFilterContext';
 import { PreviewProvider } from '../preview/PreviewContext';
+import { DocumentOpenProvider } from '../context/DocumentOpenContext';
 import { useWorkspaceSurface } from './useWorkspaceSurface';
 import { DocumentsHeaderBreadcrumb } from '../documents/panel/DocumentsPanelHeader';
 import { SidebarProvider, useSidebarContext } from '../sidebar/SidebarContext';
@@ -83,7 +84,9 @@ const DocumentsRouteContent: React.FC = () => {
       <PreviewProvider
         onNavigate={handleDocumentNavigate}
       >
-        {content}
+        <DocumentOpenProvider onOpenViewer={handleDocumentNavigate}>
+          {content}
+        </DocumentOpenProvider>
       </PreviewProvider>
     </DocumentsFilterProvider>
   );