P1 修复面收口: v0.6.3 截断自愈推全量(Anthropic/Ollama/非流式/引擎兜底); SSE 上游错误帧检测进重试通道; clearMessages 摘要游标根治; truncateResult 内联图片白名单统一; 前端四 bug(确认弹窗锁死/MemoryViewer/ Virtuoso Footer/abort 尾部过滤) + reasoning 缓冲跨迭代污染; 托盘通知过滤与新建会话死链接线 P2 安全纵深: MCP 审批闭环(ConfirmationHook×PolicyEngine 联动+重名拒注册); SSRF 收敛 ssrf-guard 共享模块 (web_fetch 双通道校验+重定向终态复检); Electron 加固(preload CJS 化→sandbox:true/CSP/权限白名单/will-navigate); run_command cmd.exe 白名单通道元字符守门; diff_viewer 10MB 预检; Anthropic thinking 预算下限; Agnes 思考显式关闭 P3 架构还债: OpenAICompatibleAdapter 中间基类收敛四家样板; 错误分类单轨化(删 mapError/getFetchSignal, 超时显式 ETIMEDOUT); PRAGMA user_version 迁移版本化; 死代码清理专项(cn.ts/SHORTCUTS/ContextMenu 分支/ getWindowState/modifiedArgs/sandbox 空壳); i18next 引入; a11y 第一轮; SearXNG 页批量草稿模型统一 P4 能力演进: Ollama pull 可取消/capabilities 探测/num_ctx 实测缓存; UpdateService feed 比对式自动更新 (app:updateCheck IPC + StatusBar 入口); MiMo providerOptions(web_search 服务端工具/strict JSON); web_fetch extract_mode=markdown(turndown); network.proxyUrl 全局代理(Chromium sessions+undici dispatcher) 测试: 264 → 507 用例(Electron ABI 全绿零跳过), 覆盖引擎压缩管线/重试竞速/MEMORY.md 闸门/file_editor 五操作/ filesystem 七工具实体夹具/git 真实仓库/SSE 错误帧/全线截断自愈/Provider 请求形态矩阵/SSRF 表测/钩子分级矩阵/ OutputValidator 全量/SLO 指标/MCP 安全纯函数/task_manager 链路/渲染层纯域/i18n 桥契约
226 lines
7.9 KiB
TypeScript
226 lines
7.9 KiB
TypeScript
/**
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* DeepSeek Provider Adapter
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*
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* 基于 OpenAI 兼容 API。支持 Tool Calling、Thinking 模式、流式输出。
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* 模型: deepseek-v4-flash / deepseek-v4-pro(1M 上下文,384K 最大输出)
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*
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* v0.6.4 P3-1: 继承 OpenAICompatibleAdapter —— send/sendStream/响应组装/
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* 认证头/上下文窗口回退链全部收敛到共享基类,本文件只保留 DeepSeek 差异点:
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* vision 模型判定、/models 合并、/user/balance、thinking+reasoning_effort 映射。
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*
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* @see apis/deepseek-api-docs-20260518.html
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*/
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import log from 'electron-log';
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import type { MetonaRequest } from '../types';
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import type { MetonaModelInfo } from '../types/metona-adapter';
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import { buildOpenAICompatibleMessages, buildOpenAICompatibleTools } from './shared/openai-format';
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import { OpenAICompatibleAdapter } from './shared/openai-compatible-base';
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export class DeepSeekAdapter extends OpenAICompatibleAdapter {
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// H-2 修复: providerId(规范要求)
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override readonly providerId: string = 'deepseek';
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readonly supportedModels = [
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'deepseek-v4-pro',
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'deepseek-v4-flash',
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'deepseek-v4-flash-vision-exp',
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];
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readonly supportsToolCalling = true;
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readonly supportsThinking = true;
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// H-2 修复: DeepSeek 模型元信息(1M 上下文,384K 最大输出)
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private static readonly MODEL_INFO: Record<string, MetonaModelInfo> = {
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'deepseek-v4-pro': {
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id: 'deepseek-v4-pro',
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name: 'DeepSeek V4 Pro',
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contextWindow: 1_000_000,
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maxOutputTokens: 384_000,
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supportsToolCalling: true,
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supportsThinking: true,
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description: 'DeepSeek 旗舰模型,1M 上下文,支持深度推理与工具调用',
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},
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'deepseek-v4-flash': {
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id: 'deepseek-v4-flash',
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name: 'DeepSeek V4 Flash',
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contextWindow: 1_000_000,
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maxOutputTokens: 384_000,
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supportsToolCalling: true,
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supportsThinking: true,
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description: 'DeepSeek 快速版,1M 上下文,低延迟推理',
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},
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// v0.5.4: DeepSeek 多模态实验模型(OpenAI image_url content parts 格式)
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'deepseek-v4-flash-vision-exp': {
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id: 'deepseek-v4-flash-vision-exp',
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name: 'DeepSeek V4 Flash Vision (Exp)',
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contextWindow: 128_000,
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maxOutputTokens: 8_192,
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supportsToolCalling: true,
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supportsThinking: false,
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description: 'DeepSeek 多模态实验模型,支持图片输入(image_url content parts)',
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},
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};
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// ===== 共享基类差异声明 =====
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protected override chatCompletionsUrl(): string {
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return `${this.config.baseURL}/chat/completions`;
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}
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protected override sendTimeoutMs(): number {
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return 120_000;
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}
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protected override modelInfoTable(): Record<string, MetonaModelInfo> {
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return DeepSeekAdapter.MODEL_INFO;
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}
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protected override providerLabel(): string {
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return 'DeepSeek';
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}
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/**
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* v0.5.4: 当前模型是否支持多模态图片输入
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*
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* DeepSeek 仅 vision 系列模型支持图片(命名含 'vision');
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* 非 vision 模型收到 images 时静默丢弃(避免 API 400)。
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* 前端上传入口由 llm.multimodalEnabled 配置总开关控制,此处是 adapter 侧的模型级防线。
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*/
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private isVisionModel(): boolean {
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return this.config.defaultModel.includes('vision');
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}
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// ===== GET /models =====
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/**
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* 优先尝试从 API 获取实时模型列表,并合并本地 MODEL_INFO 元数据。
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* API 不可用时回退到 supportedModels。
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*/
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override async listModels(): Promise<MetonaModelInfo[]> {
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try {
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const response = await fetch(`${this.config.baseURL}/models`, {
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headers: { Authorization: `Bearer ${this.config.apiKey}` },
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signal: AbortSignal.timeout(10_000),
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});
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if (response.ok) {
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const data = (await response.json()) as { data?: Array<{ id: string }> };
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if (data.data?.length) {
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// 合并 API 返回的模型 ID 与本地元数据
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return data.data.map((m) => DeepSeekAdapter.MODEL_INFO[m.id] ?? { id: m.id });
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}
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}
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} catch {
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// API 不可用时降级
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}
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// 回退到 supportedModels(带本地元数据)
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return this.supportedModels.map((id) => DeepSeekAdapter.MODEL_INFO[id] ?? { id });
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}
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// ===== GET /user/balance =====
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/**
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* 查询账户余额
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*
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* v0.5.2 修复: 官方 API 返回 balance_infos 数组格式(此前按扁平字段解析恒为 0)。
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* URL 规范化: 余额端点为 {root}/user/balance(无 /v1 前缀),需剥离配置中的尾斜杠与 /v1。
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*/
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async getBalance(): Promise<{
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currency: string;
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totalBalance: string;
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grantedBalance: string;
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toppedUpBalance: string;
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} | null> {
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try {
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const root = this.config.baseURL.replace(/\/+$/, '').replace(/\/v1$/, '');
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const response = await fetch(`${root}/user/balance`, {
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headers: { Authorization: `Bearer ${this.config.apiKey}` },
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signal: AbortSignal.timeout(10_000),
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});
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if (!response.ok) return null;
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const data = (await response.json()) as {
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is_available?: boolean;
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balance_infos?: Array<{
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currency?: string;
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total_balance?: string;
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granted_balance?: string;
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topped_up_balance?: string;
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}>;
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// 扁平格式字段(网关/代理兼容)
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currency?: string;
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total_balance?: string;
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granted_balance?: string;
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topped_up_balance?: string;
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};
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const info = data.balance_infos?.[0] ?? data;
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return {
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currency: info.currency ?? 'CNY',
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totalBalance: info.total_balance ?? '0',
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grantedBalance: info.granted_balance ?? '0',
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toppedUpBalance: info.topped_up_balance ?? '0',
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};
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} catch {
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return null;
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}
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}
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// ========== 协议参数映射(DeepSeek 差异点) ==========
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protected override toNativeRequest(request: MetonaRequest, stream: boolean): Record<string, unknown> {
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// v0.6.2: images 处理收敛至共享层(includeImages = vision 模型才转换,
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// 非 vision 静默丢弃——正确行为,见 openai-format.ts #27 记录)
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const messages = buildOpenAICompatibleMessages(request, this.isVisionModel());
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const tools = buildOpenAICompatibleTools(request.tools);
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// v0.5.3: max_tokens 按模型上限钳制 — 引擎默认 63488 超过部分模型上限时 API 直接 400
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const modelInfo = DeepSeekAdapter.MODEL_INFO[this.config.defaultModel];
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const maxOutput = modelInfo?.maxOutputTokens ?? 384_000;
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const maxTokens = Math.min(request.params.maxTokens ?? maxOutput, maxOutput);
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const body: Record<string, unknown> = {
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model: this.config.defaultModel,
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messages,
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temperature: request.params.temperature,
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max_tokens: maxTokens,
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stream,
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};
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// v0.5.4: vision 模型图片数审计(转换在共享层完成)
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if (this.isVisionModel()) {
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const imageCount = request.messages.reduce((n, m) => n + (m.images?.length ?? 0), 0);
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if (imageCount > 0) {
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log.info(`[DeepSeek] Vision model processing ${imageCount} image(s)`);
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}
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}
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if (stream) {
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body.stream_options = { include_usage: true };
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}
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if (tools) {
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body.tools = tools;
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}
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// Thinking 模式
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// API 默认 thinking.type = "enabled",必须显式发送 disabled 才能关闭
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if (request.params.thinkingEnabled === false) {
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body.thinking = { type: 'disabled' };
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} else if (request.params.thinkingEnabled) {
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body.thinking = { type: 'enabled' };
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const effortMap: Record<string, string> = {
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low: 'high',
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medium: 'high',
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high: 'high',
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max: 'max',
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};
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// DeepSeek API 仅支持 high / max 两档,low/medium 映射为 high
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body.reasoning_effort = effortMap[request.params.thinkingEffort ?? 'high'] ?? 'high';
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}
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// 停止序列
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if (request.params.stopSequences?.length) {
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body.stop = request.params.stopSequences;
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}
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return body;
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}
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}
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