feat(cursor): Integrate Cursor IDE support with OAuth import token flow

- Add CursorExecutor for handling requests to the Cursor API using protobuf over HTTP/2.
- Implement CursorAuthModal for user token import from local SQLite database.
- Update provider models and constants to include Cursor as a supported provider.
- Enhance API service with token validation and user info extraction from Cursor tokens.
- Introduce utility functions for checksum generation and protobuf encoding/decoding for Cursor API interactions.

src/app/(dashboard)/dashboard/providers/[id]/page.js

@@ -5,7 +5,7 @@ import PropTypes from "prop-types";
 import { useParams, useRouter } from "next/navigation";
 import Link from "next/link";
 import Image from "next/image";
-import { Card, Button, Badge, Input, Modal, CardSkeleton, OAuthModal, KiroOAuthWrapper, Toggle, Select } from "@/shared/components";
+import { Card, Button, Badge, Input, Modal, CardSkeleton, OAuthModal, KiroOAuthWrapper, CursorAuthModal, Toggle, Select } from "@/shared/components";
 import { OAUTH_PROVIDERS, APIKEY_PROVIDERS, getProviderAlias, isOpenAICompatibleProvider } from "@/shared/constants/providers";
 import { getModelsByProviderId } from "@/shared/constants/models";
 import { useCopyToClipboard } from "@/shared/hooks/useCopyToClipboard";
@@ -486,6 +486,12 @@ export default function ProviderDetailPage() {
           onSuccess={handleOAuthSuccess}
           onClose={() => setShowOAuthModal(false)}
         />
+      ) : providerId === "cursor" ? (
+        <CursorAuthModal
+          isOpen={showOAuthModal}
+          onSuccess={handleOAuthSuccess}
+          onClose={() => setShowOAuthModal(false)}
+        />
       ) : (
         <OAuthModal
           isOpen={showOAuthModal}