Adds a lightweight way to pre-seed a Lingma workDir with an existing logged-in session: - New module session_bundle.py packs/unpacks only the four cache files that make up a Lingma login (id, user, quota, config.json). Everything else (db, logs, index, diagnosis) stays local so bundles stay tiny and never leak session-specific artefacts. - Safety: path-traversal/symlink members are rejected; size is capped; refuses to export from a workDir that isn't actually logged in; sensitive cache/user is chmod'd 0600 on restore. - LingmaAccount gains optional session_bundle_b64 / session_bundle_file; LINGMA_SESSION_BUNDLE[_FILE] env provide the singleton fallback. Credentials become optional when a bundle is supplied. - LingmaPool.start() restores the bundle into each instance workDir only if it isn't already logged in, so persistent volumes aren't clobbered and a corrupt bundle falls back to Playwright gracefully. - POST /internal/session/export returns the bundle as base64; ?instance= selects a specific pool instance. Requires an authed, already-logged-in instance to prevent exporting empties. - README + .env.example document the end-to-end flow. Made-with: Cursor
280 lines
9.3 KiB
Markdown
280 lines
9.3 KiB
Markdown
# Lingma OpenAI Gateway
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把本地 Lingma 能力封装为 OpenAI 兼容接口,支持:
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- `GET /v1/models`
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- `POST /v1/chat/completions`
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- `stream=true`(SSE)
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- Bearer API Key 鉴权
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## 1. 准备目录
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```bash
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mkdir -p data
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```
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说明:
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- 启动时会自动获取最新插件并提取 `Lingma` 到 `data/bin`。
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- 默认通过 VSCode Marketplace 查询最新版本,再下载对应 VSIX。
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- 登录态与运行数据统一写入 `data/.lingma`。
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## 2. 配置环境变量
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```bash
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cp .env.example .env
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```
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至少修改:
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- `API_KEYS`
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- `LINGMA_USERNAME`
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- `LINGMA_PASSWORD`
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如果你的 Lingma 路径不同,修改:
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- `LINGMA_BIN`
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可选(企业专属域):
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- `DEDICATED_DOMAIN_URL`
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### `.env` 字段说明(简版)
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- `HOST`:网关监听地址(通常 `0.0.0.0`)
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- `PORT`:网关监听端口(外部调用端口)
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- `API_KEYS`:Bearer Key,多个用逗号分隔
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- `LINGMA_BIN`:容器内 Lingma 路径
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- `LINGMA_SOURCE_TYPE`:二进制来源(`marketplace`/`vsix`)
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- `LINGMA_MARKETPLACE_PUBLISHER`:Marketplace 发布者
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- `LINGMA_MARKETPLACE_EXTENSION`:Marketplace 扩展名
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- `LINGMA_VSIX_URL`:VSIX 下载地址(最新优先)
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- `LINGMA_BOOTSTRAP_ALWAYS`:启动时是否总尝试刷新 Lingma
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- `LINGMA_FORCE_REFRESH`:是否强制刷新(忽略本地缓存)
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- `LINGMA_WORK_DIR`:Lingma 工作目录(登录与会话数据)
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- `LINGMA_SOCKET_PORT`:Lingma 本地 WS 端口
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- `LINGMA_STARTUP_TIMEOUT`:Lingma 启动等待秒数
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- `LINGMA_RPC_TIMEOUT`:单次 RPC 超时秒数
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- `DEFAULT_MODEL`:默认模型(无法映射时兜底)
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- `DEFAULT_ASK_MODE`:默认模式(`chat`/`agent`)
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- `DEDICATED_DOMAIN_URL`:企业专属域(可留空)
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- `AUTO_LOGIN_ENABLED`:未登录时自动登录开关
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- `AUTO_LOGIN_HEADLESS`:自动登录是否无头浏览器
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- `AUTO_LOGIN_TIMEOUT`:自动登录超时秒数
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- `AUTO_LOGIN_MAX_RETRY`:自动登录重试次数
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- `LINGMA_USERNAME`:Lingma 登录用户名
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- `LINGMA_PASSWORD`:Lingma 登录密码
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- `METRICS_TOKEN`:`/metrics` 独立鉴权 token(留空则 `API_KEYS` 也可访问;两者都留空时 `/metrics` 为公开)
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- `LOG_LEVEL`:日志级别(默认 `INFO`,输出结构化 JSON,包含 `request_id`)
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- `GATEWAY_MAX_IN_FLIGHT`:`/v1/chat/completions` 并发上限(默认 4,`<=0` 表示不限流)
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- `GATEWAY_QUEUE_TIMEOUT_SEC`:排队等待超时秒数(默认 30,超过后直接 429 + `Retry-After`)
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- `LINGMA_ACCOUNTS`:多账号实例池,格式 `u1:p1,u2:p2` 或 JSON 数组;配置后每个账号起一个独立 Lingma 子进程
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- `LINGMA_INSTANCE_COUNT`:实例数(默认等于账号数;显式指定且不足时账号会循环复用)
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- `SESSION_REUSE_ENABLED`:多轮对话复用上游 sessionId(默认 `true`)。命中时只把最新一条 user 消息发给 Lingma,命中上游 KV cache,显著降低第 2 轮及以后的首 token 延迟
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- `SESSION_CACHE_MAX_ENTRIES`:会话缓存容量(LRU,默认 256)
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- `SESSION_CACHE_TTL_SEC`:会话缓存 TTL 秒数(默认 1800;超时自动失效,避免复用到已被 Lingma 回收的 session)
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- `LINGMA_SESSION_BUNDLE` / `LINGMA_SESSION_BUNDLE_FILE`:已登录态注入,跳过 Playwright。具体见下方"跳过自动登录"章节
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### `.env` 最小必填示例
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```env
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PORT=8317
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API_KEYS=sk-your-api-key
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LINGMA_USERNAME=your-username
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LINGMA_PASSWORD=your-password
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LINGMA_BIN=/app/data/bin/Lingma
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LINGMA_WORK_DIR=/app/data/.lingma/vscode/sharedClientCache
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LINGMA_SOURCE_TYPE=marketplace
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LINGMA_MARKETPLACE_PUBLISHER=Alibaba-Cloud
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LINGMA_MARKETPLACE_EXTENSION=tongyi-lingma
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LINGMA_VSIX_URL=https://tongyi-code.oss-cn-hangzhou.aliyuncs.com/vscode/tongyi-lingma-latest.vsix
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DEDICATED_DOMAIN_URL=
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```
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### 数据目录说明
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- 本项目所有持久化数据都在 `./data`:
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- `data/bin/Lingma`:自动提取的 Lingma 二进制
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- `data/.lingma/...`:Lingma 登录态、缓存、日志(单实例模式)
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- `data/.lingma/pool/inst-<i>/...`:多实例模式下每个实例独立的登录态/缓存
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### 多实例池(方案乙:多账号)
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启用方式:在 `.env` 里配置 `LINGMA_ACCOUNTS=u1:p1,u2:p2`,重启容器即可。
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- 每个账号对应一个独立 Lingma 子进程,各自独立登录、独立 workDir。
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- 路由策略:同一 `user` 字段或同一 system prompt 的请求粘性路由到同一实例;其余按 least-in-flight 分配。
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- 一个实例挂了/断连不影响整体,`/healthz` 汇报 `pool_ready` 计数。
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- `/internal/stats.pool` 按实例粒度暴露状态,`/metrics` 增加 `gateway_pool_instance_in_flight{name}` / `gateway_pool_instance_ready{name}`。
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- 未配置 `LINGMA_ACCOUNTS` 时自动退化为单实例模式(沿用 `LINGMA_USERNAME/LINGMA_PASSWORD`),向下兼容。
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### 跳过自动登录(session bundle 注入)
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Playwright 登录偶尔会因为反爬虫策略失败。如果你已经有一个登录好的 Lingma
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workDir(本项目任意历史部署、或 VSCode 插件的 shared cache),可以直接把那
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份登录态导出成 "bundle" 注入到新的部署,完全跳过浏览器。
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**导出**(在一个已登录的 gateway 上执行):
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```bash
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curl -sS -X POST \
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-H "Authorization: Bearer $API_KEY" \
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"http://host:port/internal/session/export" \
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| jq -r '.bundle_b64' > lingma-session.b64
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```
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可选 `?instance=inst-0` 指定从哪个实例导出(多实例场景)。
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**注入**(新部署的 `.env` 三选一):
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```env
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# 方式 1:直接塞 base64
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LINGMA_SESSION_BUNDLE=H4sIAAAA...
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# 方式 2:从文件读(推荐,避免 env 过长)
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LINGMA_SESSION_BUNDLE_FILE=/secrets/lingma-session.b64
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# 方式 3:多账号模式,每个账号独立 bundle(JSON 模式)
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LINGMA_ACCOUNTS=[
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{"username":"u1","password":"p1","session_bundle_file":"/secrets/u1.b64"},
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{"username":"u2","password":"p2","session_bundle":"H4sIAAAA..."}
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]
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```
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**行为**:
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- bundle 只在目标 workDir **没有** 已有登录态(即 `cache/user` 为空或不存在)时才注入,不会覆盖活跃的登录。
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- 注入成功后 Lingma 启动时直接 ready,`auth_status()` 命中已登录,跳过
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Playwright。
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- 注入失败(bundle 损坏、权限不足等)自动 fallback 到原有 Playwright 流程。
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- bundle 只打包 `cache/{id,user,quota,config.json}` 四个文件,不包含
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db/logs/index,体积通常 < 10 KB。
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- bundle 含敏感 token,**按密钥保管**,不要写入公共仓库。
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## 3. Docker 运行
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```bash
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docker compose up -d --build
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```
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说明:
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- 构建阶段已默认使用腾讯云 PyPI 镜像(`mirrors.cloud.tencent.com`)。
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- 如需自定义镜像源,可在 `docker-compose.yml` 的 `build.args` 中修改。
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查看日志:
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```bash
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docker compose logs -f
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```
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## 4. 调用示例
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### 模型列表
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```bash
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curl -s http://127.0.0.1:8317/v1/models \
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-H "Authorization: Bearer sk-your-api-key"
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```
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说明:
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- `id` 保持 Lingma 原始模型 key(兼容 OpenAI 客户端)
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- `name` 提供可读名称(如 `qwen3.6-plus`)
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- 调用 `/v1/chat/completions` 时,`model` 既可传 `id`,也可直接传 `name`
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### 非流式聊天
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```bash
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curl -s http://127.0.0.1:8317/v1/chat/completions \
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-H "Authorization: Bearer sk-your-api-key" \
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-H "Content-Type: application/json" \
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-d '{
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"model": "dashscope_qmodel",
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"messages": [
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{"role": "user", "content": "写一个 python hello world"}
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]
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}'
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```
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### 流式聊天
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```bash
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curl -N http://127.0.0.1:8317/v1/chat/completions \
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-H "Authorization: Bearer sk-your-api-key" \
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-H "Content-Type: application/json" \
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-d '{
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"model": "dashscope_qmodel",
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"stream": true,
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"messages": [
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{"role": "user", "content": "介绍一下你自己"}
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]
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}'
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```
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## 5. 统计与监控
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支持调用次数与 token(估算值)统计:
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- `GET /internal/stats`(需 Bearer)
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- `GET /metrics`(Prometheus 文本格式)
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示例:
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```bash
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curl -s http://127.0.0.1:8317/internal/stats \
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-H "Authorization: Bearer sk-xxx"
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```
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```bash
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curl -s http://127.0.0.1:8317/metrics \
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-H "Authorization: Bearer ${METRICS_TOKEN:-sk-your-api-key}"
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```
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说明:
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- `usage.prompt_tokens/completion_tokens` 为估算值(按字节近似换算)。
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- 非流式响应里会附带 `usage` 字段。
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- 流式响应可传 `stream_options: {"include_usage": true}` 让最后一帧返回 `usage`。
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- `/metrics` 默认需要 Bearer 鉴权:优先匹配 `METRICS_TOKEN`,否则接受 `API_KEYS` 里任意一个;两者都未配置时保持公开。
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## 6. 容器内自动登录
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已内置自动登录能力(Playwright + Chromium)。
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你可以主动触发:
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```bash
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curl -s -X POST http://127.0.0.1:8317/internal/auto-login/start \
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-H "Authorization: Bearer sk-your-api-key"
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```
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查看状态:
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```bash
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curl -s http://127.0.0.1:8317/internal/auto-login/status \
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-H "Authorization: Bearer sk-your-api-key"
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```
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说明:
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- 若未登录,`/v1/models` 与 `/v1/chat/completions` 也会尝试自动登录。
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- 账号密码来自 `.env`(`LINGMA_USERNAME` / `LINGMA_PASSWORD`)。
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- 建议仅在受控环境使用,并妥善保护 `.env`。
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## 7. agent 模式
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在 v1 中,若 `model` 传 `agent` 或 `lingma-agent`,会走 agent 模式。
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```bash
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curl -s http://127.0.0.1:8317/v1/chat/completions \
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-H "Authorization: Bearer sk-xxx" \
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-H "Content-Type: application/json" \
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-d '{
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"model": "agent",
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"messages": [
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{"role": "user", "content": "分析这个项目目录结构"}
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]
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}'
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```
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