Function getLatestModels

src/models/models-map.js:18–87

(force = false)

    return config.modelsCacheTtl > 0 && Date.now() - cachedModelsAt > config.modelsCacheTtl * 1000
}

const getLatestModels = async (force = false) => {
    // 如果有缓存、未过期且不强制刷新，直接返回
    if (cachedModels && !force && !isCacheExpired()) {
        return cachedModels
    }

    // 如果正在获取，返回当前的 Promise
    if (fetchPromise) {
        return fetchPromise
    }

    const chatBaseUrl = getChatBaseUrl()
    // 一次取出账户对象，token 与 proxy 走同一个账号，避免 round-robin 错位
    const account = accountManager.getAccount()
    const proxyAgent = getProxyAgent(account)

    // Antidetect: per-account fingerprint headers replace static block
    const ssxmod = getSsxmodForAccount(account)
    const headers = buildRequestHeaders(account, {
        chatBaseUrl,
        token: account?.token,
        ssxmodItna: ssxmod.ssxmod_itna,
        ssxmodItna2: ssxmod.ssxmod_itna2,
        accept: '*/*',
        extra: {
            'x-request-id': generateUUID()
        }
    })

    const requestConfig = {
        headers
    }

    // 添加代理配置
    if (proxyAgent) {
        requestConfig.httpsAgent = proxyAgent
        requestConfig.proxy = false
    }

    fetchPromise = axios.get(`${chatBaseUrl}/api/models`, requestConfig).then(response => {
        cachedModels = response.data.data
        cachedModelsAt = Date.now()
        fetchPromise = null
        return cachedModels
    }).catch(error => {
        logger.error(`获取模型列表失败: ${error.message}`, 'MODEL')
        fetchPromise = null
        // 刷新失败时回退到旧缓存，避免返回空列表；重置时间戳以免每个请求都重试
        if (cachedModels) {
            cachedModelsAt = Date.now()
            return cachedModels
        }
        return []
    })

    return fetchPromise
}