Function parse_anthropic_request

ds4_server.c:2806–3016

        if (wrote) buf_putc(b, ',');
        append_json_arg_pair(b, &args.v[i]);
        wrote = true;
    }
    buf_putc(b, '}');
    json_args_free(&args);
}

static void append_dsml_tool_calls_text(buf *b, const tool_calls *calls) {
    if (!calls || calls->len == 0) return;
    if (calls->raw_tool_text && calls->raw_tool_text[0]) {
        buf_puts(b, calls->raw_tool_text);
        return;
    }
    buf_puts(b, "\n\n<｜DSML｜tool_calls>\n");
    for (int i = 0; i < calls->len; i++) {
        const tool_call *tc = &calls->v[i];
        buf_puts(b, "<｜DSML｜invoke name=\"");
        append_dsml_attr_escaped(b, tc->name);
        buf_puts(b, "\">\n");
        if (!append_dsml_arguments_from_json(b, tc->arguments, NULL)) {
            buf_puts(b, "<｜DSML｜parameter name=\"arguments\" string=\"true\">");
            append_dsml_parameter_text(b, tc->arguments);
            buf_puts(b, "</｜DSML｜parameter>\n");
        }
        buf_puts(b, "</｜DSML｜invoke>\n");
    }
    buf_puts(b, "</｜DSML｜tool_calls>");
}

static void append_glm_tool_calls_text(buf *b, const tool_calls *calls,
                                       const tool_schema_orders *tool_orders) {
    if (!calls || calls->len == 0) return;
    if (calls->raw_tool_text && calls->raw_tool_text[0]) {
        buf_puts(b, calls->raw_tool_text);
        return;
    }
    buf_putc(b, '\n');
    for (int i = 0; i < calls->len; i++) {
        const tool_call *tc = &calls->v[i];
        const tool_schema_order *order =
            tool_schema_orders_find(tool_orders, tc->name);
        buf_puts(b, "<tool_call>");
        buf_puts(b, tc->name ? tc->name : "");
        if (!append_glm_arguments_from_json(b, tc->arguments, order)) {
            buf_puts(b, "<arg_key>arguments</arg_key><arg_value>");
            append_glm_arg_value_text(b, tc->arguments);
            buf_puts(b, "</arg_value>");
        }
        buf_puts(b, "</tool_call>");
    }
    buf_putc(b, '\n');
}

static void append_tool_calls_text_for_syntax(buf *b,
                                              server_model_syntax syntax,
                                              const tool_calls *calls,
                                              const tool_schema_orders *tool_orders) {
    if (syntax == SERVER_MODEL_SYNTAX_GLM) {
        append_glm_tool_calls_text(b, calls, tool_orders);