feat: 前端组件准备
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// server/utils/runtimeState.ts - 服务启动时间和最近问答记录的内存状态
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import { answerCache } from "~~/server/utils/cache";
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import { serverEnv } from "~~/server/utils/env";
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/** 最近问答记录,沿用旧 Python 服务 dashboard/stats 的内存记录语义 */
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export interface QaRecord {
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/** 本地可读时间,方便后续如果恢复 dashboard 时直接展示 */
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time: string;
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/** ISO 时间,方便机器处理和排序 */
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timestamp: string;
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/** 题目正文 */
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question: string;
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/** 题型 */
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type: string;
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/** 选项文本 */
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options: string;
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/** 最终返回给 OCS 的答案 */
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answer: string;
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}
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/** 只保留最近 100 条,避免长时间运行后内存无限增长 */
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const MAX_RECORDS = 100;
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/** 进程启动时间,用于 `/api/stats` 返回 uptime */
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const startTime = Date.now();
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/** 进程内问答记录;服务重启或多实例部署时不会共享 */
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const qaRecords: QaRecord[] = [];
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/** 对外展示的服务版本,和 README/API 文档保持一致 */
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export const SERVICE_VERSION = "1.1.0";
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/** 格式化成本地 `YYYY-MM-DD HH:mm:ss`,对齐旧 Python 服务记录格式 */
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const formatLocalDateTime = (date: Date) => {
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const pad = (value: number) => value.toString().padStart(2, "0");
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return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(
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date.getDate()
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)} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(
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date.getSeconds()
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)}`;
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};
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/**
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* 追加一条问答记录
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*
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* 记录只用于统计和未来可能恢复的 dashboard,不作为题库持久化数据
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*/
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export const addQaRecord = (record: Omit<QaRecord, "time" | "timestamp">) => {
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const now = new Date();
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qaRecords.push({
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time: formatLocalDateTime(now),
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timestamp: now.toISOString(),
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...record
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});
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if (qaRecords.length > MAX_RECORDS) {
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qaRecords.shift();
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}
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};
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/** 生成 `/api/stats` 响应,实时计算 uptime 和有效缓存数量 */
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export const getRuntimeStats = () => {
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return {
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version: SERVICE_VERSION,
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uptime: (Date.now() - startTime) / 1000,
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model: serverEnv.openAiModel,
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cache_enabled: serverEnv.enableCache,
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cache_size: answerCache?.size() ?? 0,
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qa_records_count: qaRecords.length
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};
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};
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