Function kv_cache_store_live_prefix_text

ds4_server.c:8706–8719

    while (m->tail) tool_memory_remove_entry_locked(m, m->tail);
    if (m->by_id) raxFree(m->by_id);
    if (m->by_block) raxFree(m->by_block);
    memset(m, 0, sizeof(*m));
}

/* Single live protocol-tool state.
 *
 * This is not an implementation of durable remote conversation storage.  It is
 * only an in-memory binding from protocol tool-call IDs to the current sampled
 * KV frontier.  If it does not match, DS4 falls back to the same prefix and
 * disk-cache machinery used by chat/completions, or returns a clear error for
 * tool-result-only requests that have no replayable prefix. */
static void live_tool_state_clear_locked(live_tool_state *st) {
    if (!st) return;
    stop_list_clear(&st->call_ids);
    free(st->visible_text);
    st->visible_text = NULL;
    st->visible_len = 0;