fix(panel): show login screen instead of enrollment page for unauthenticated users

/auth/me was returning enrolled: false for all unauthenticated requests,
causing the frontend to show the NotEnrolled page before login. Enrollment
is already enforced server-side during the OAuth callback.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

api/src/routes/auth.routes.ts

@@ -225,7 +225,7 @@ async function handler(ctx: RouteContext): Promise<Response | null> {
     // GET /auth/me — return current session info
     if (pathname === "/auth/me" && method === "GET") {
         const session = getSession(ctx.req);
-        if (!session) return jsonResponse({ authenticated: false, enrolled: false });
+        if (!session) return jsonResponse({ authenticated: false, enrolled: true });
         return jsonResponse({
             authenticated: true,
             enrolled: true,