feat(auth): add signOutUseCase (test red until DI lands)

packages/auth/src/application/use-cases/sign-out.use-case.ts

@@ -0,0 +1,13 @@
+import type { Cookie } from "../../entities/cookie";
+import { authContainer } from "../../di/container";
+import { AUTH_SYMBOLS } from "../../di/symbols";
+import type { IAuthenticationService } from "../services/authentication-service.interface";
+
+export async function signOutUseCase(
+  sessionId: string,
+): Promise<{ blankCookie: Cookie }> {
+  const authService = authContainer.get<IAuthenticationService>(
+    AUTH_SYMBOLS.IAuthenticationService,
+  );
+  return await authService.invalidateSession(sessionId);
+}