Function tool_memory_put_locked

ds4_server.c:7889–7929

        } else {
            const size_t hold = strlen("</think>") - 1;
            limit = raw_len > hold ? raw_len - hold : st->emit_pos;
            limit = utf8_stream_safe_len(raw, st->emit_pos, limit, false);
        }

        if (limit > st->emit_pos) {
            if (emit_reasoning) {
                if (!st->reasoning_item_opened) {
                    st->reasoning_index = st->next_output_index++;
                    if (!responses_sse_reasoning_added(fd, st)) return false;
                    st->reasoning_item_opened = true;
                }
                if (!st->reasoning_summary_started) {
                    if (!responses_sse_reasoning_summary_part_added(fd, st)) return false;
                    st->reasoning_summary_started = true;
                }
                if (!responses_sse_reasoning_delta(fd, st,
                                                   raw + st->emit_pos,
                                                   limit - st->emit_pos)) return false;
                buf_append(&st->reasoning_text, raw + st->emit_pos, limit - st->emit_pos);
                st->reasoning_emitted_any = true;
            }
            st->emit_pos = limit;
        }

        if (tool_before_close) {
            if (complete_tool) {
                st->emit_pos = (size_t)(tool - raw);
                st->mode = RESP_STREAM_SUPPRESS;
            }
            return true;
        }

        if (close) {
            st->emit_pos = (size_t)(close - raw) + strlen("</think>");
            st->mode = RESP_STREAM_TEXT;
            st->reasoning_closed_naturally = true;
        } else if (final) {
            st->mode = RESP_STREAM_SUPPRESS;
            return true;
        } else {
            return true;
        }
    }