refactor(frontend): replace React Router BFF with Wouter SPA

Remove React Router 7 SSR/BFF architecture (server-side loaders,
actions, sessions, remix-auth) and replace with a client-side SPA
using Wouter for routing and cookie-based JWT auth.

- Replace reactRouter() Vite plugin with @vitejs/plugin-react
- Add index.html + app/main.tsx as SPA entry points
- Add Wouter routing with auth guards (ProtectedRoute/PublicOnlyRoute)
- Add client-side auth (app/auth.ts) and useAuth hook
- Migrate all route files to app/pages/ with client-side data fetching
- Update NavigateLink and GolfPlayAppGaming to use Wouter Link
- Remove .server/, routes/, root.tsx, react-router.config.ts
- Clean up tsconfig.json (remove .react-router references)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 0 insertions, 115 deletions

diff --git a/frontend/app/routes/login.tsx b/frontend/app/routes/login.tsx
deleted file mode 100644
index e394a6c..0000000
--- a/frontend/app/routes/login.tsx
+++ /dev/null
@@ -1,115 +0,0 @@
-import type {
-	ActionFunctionArgs,
-	LoaderFunctionArgs,
-	MetaFunction,
-} from "react-router";
-import { Form, data, useActionData } from "react-router";
-import { ensureUserNotLoggedIn, login } from "../.server/auth";
-import BorderedContainer from "../components/BorderedContainer";
-import InputText from "../components/InputText";
-import SubmitButton from "../components/SubmitButton";
-import { APP_NAME } from "../config";
-
-export const meta: MetaFunction = () => [{ title: `Login | ${APP_NAME}` }];
-
-export async function loader({ request }: LoaderFunctionArgs) {
-	return await ensureUserNotLoggedIn(request);
-}
-
-export async function action({ request }: ActionFunctionArgs) {
-	const formData = await request.clone().formData();
-	const username = String(formData.get("username"));
-	const password = String(formData.get("password"));
-	if (username === "" || password === "") {
-		return data(
-			{
-				message: "ユーザー名またはパスワードが誤っています",
-				errors: {
-					username:
-						username === "" ? "ユーザー名を入力してください" : undefined,
-					password:
-						password === "" ? "パスワードを入力してください" : undefined,
-				},
-			},
-			{ status: 400 },
-		);
-	}
-
-	try {
-		await login(request);
-	} catch (error) {
-		if (error instanceof Error) {
-			return data(
-				{
-					message: error.message,
-					errors: {
-						username: undefined,
-						password: undefined,
-					},
-				},
-				{ status: 400 },
-			);
-		} else {
-			throw error;
-		}
-	}
-	return null;
-}
-
-export default function Login() {
-	const loginErrors = useActionData<typeof action>();
-
-	return (
-		<div className="min-h-screen bg-gray-100 flex items-center justify-center">
-			<div className="mx-2">
-				<BorderedContainer>
-					<Form method="post" className="w-full max-w-sm p-2">
-						<h2 className="text-2xl mb-6 text-center">
-							fortee アカウントでログイン
-						</h2>
-						{loginErrors?.message && (
-							<p className="text-sky-500 text-sm mb-4">{loginErrors.message}</p>
-						)}
-						<div className="mb-4 flex flex-col gap-1">
-							<label
-								htmlFor="username"
-								className="block text-sm font-medium text-gray-700"
-							>
-								ユーザー名
-							</label>
-							<InputText type="text" name="username" id="username" required />
-							{loginErrors?.errors?.username && (
-								<p className="text-red-500 text-sm">
-									{loginErrors.errors.username}
-								</p>
-							)}
-						</div>
-						<div className="mb-6 flex flex-col gap-1">
-							<label
-								htmlFor="password"
-								className="block text-sm font-medium text-gray-700"
-							>
-								パスワード
-							</label>
-							<InputText
-								type="password"
-								name="password"
-								id="password"
-								autoComplete="current-password"
-								required
-							/>
-							{loginErrors?.errors?.password && (
-								<p className="text-red-500 text-sm">
-									{loginErrors.errors.password}
-								</p>
-							)}
-						</div>
-						<div className="flex justify-center">
-							<SubmitButton type="submit">ログイン</SubmitButton>
-						</div>
-					</Form>
-				</BorderedContainer>
-			</div>
-		</div>
-	);
-}