Function agent_worker_has_user_session

ds4_agent.c:4324–4329

    const ds4_tokens *live = ds4_session_tokens(w->session);
    if (!agent_tokens_equal(live, tokens)) {
        snprintf(err, err_len, "live KV state does not match session transcript");
        return false;
    }
    const int quant_bits = ds4_engine_routed_quant_bits(w->engine);
    if (quant_bits != 2 && quant_bits != 4) {
        snprintf(err, err_len, "unsupported routed quantization for KV save");
        return false;
    }
    const int model_id = ds4_engine_model_id(w->engine);