first commit

src/lib/auth.ts

@@ -0,0 +1,19 @@
+import { cookies } from "next/headers";
+import { getMe, safe } from "./api";
+import { AUTH_TOKEN_COOKIE } from "./config";
+import type { AuthUser } from "./types";
+
+export { displayName, isAdmin } from "./authUser";
+
+// Server-side "am I logged in" check for the header/account menu. See the
+// AUTH_TOKEN_COOKIE comment in config.ts for the one external dependency
+// this relies on. Resolves to null whenever the cookie is absent or /auth/me
+// fails — never throws, so a missing session degrades to the anonymous view.
+export async function getSession(): Promise<AuthUser | null> {
+  const store = await cookies();
+  const token = store.get(AUTH_TOKEN_COOKIE)?.value;
+  if (!token) return null;
+
+  const result = await safe(getMe(token), null);
+  return result?.user ?? null;
+}