Method preview

src/main/java/com/tcode/agent/Agent.java:721–730

(String content, int maxLength)

    }

    private String preview(String content, int maxLength) {
        if (content == null) {
            return "";
        }
        String normalized = content.replace("\r\n", "\n").replace('\r', '\n');
        if (normalized.length() <= maxLength) {
            return normalized;
        }
        return normalized.substring(0, maxLength) + "...";
    }

    /**
     * 流式输出渲染器，将 reasoning_content 与 content 分区展示。