Refactor desktop app into separate client and proxy apps

apps/yaak-client/routes/workspaces/$workspaceId/index.tsx

@@ -0,0 +1,40 @@
+import { createFileRoute } from '@tanstack/react-router';
+import { Workspace } from '../../../components/Workspace';
+
+type WorkspaceSearchSchema = {
+  environment_id?: string | null;
+  cookie_jar_id?: string | null;
+} & (
+  | {
+      request_id: string;
+    }
+  | {
+      folder_id: string;
+    }
+  // biome-ignore lint/complexity/noBannedTypes: Needed to support empty
+  | {}
+);
+
+export const Route = createFileRoute('/workspaces/$workspaceId/')({
+  component: RouteComponent,
+  validateSearch: (search: Record<string, unknown>): WorkspaceSearchSchema => {
+    const base: Pick<WorkspaceSearchSchema, 'environment_id' | 'cookie_jar_id'> = {
+      environment_id: search.environment_id as string,
+      cookie_jar_id: search.cookie_jar_id as string,
+    };
+
+    const requestId = search.request_id as string | undefined;
+    const folderId = search.folder_id as string | undefined;
+    if (requestId != null) {
+      return { ...base, request_id: requestId };
+    }
+    if (folderId) {
+      return { ...base, folder_id: folderId };
+    }
+    return base;
+  },
+});
+
+function RouteComponent() {
+  return <Workspace />;
+}