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@antadmin/ai

v2.0.0

Published

Nền tảng AI dùng chung AntAdmin — composable chat streaming (client) + proxy Nitro tới AI gateway (server)

Readme

@antadmin/ai

Nền tảng AI dùng chung AntAdmin: composable chat streaming phía client + proxy Nitro tới AI gateway phía server. Client không bao giờ giữ API key — key nằm ở BFF (server-side env), request đi:

Browser ──POST /api/ai/chat──▶ Nitro BFF (createAiChatProxy) ──Bearer key──▶ AI Gateway (OpenAI-compatible)

Server — mount proxy trong app

Tạo server/api/ai/chat.post.ts:

import { createAiChatProxy } from '@antadmin/ai/server'

export default createAiChatProxy({
  gatewayUrl: process.env.AI_GATEWAY_URL!,   // vd https://ai.antadmin.vn/v1
  apiKey: process.env.AI_GATEWAY_KEY!,       // key app-level do gateway cấp
  defaultModel: 'claude-sonnet-5',
  allowedModels: ['claude-sonnet-5', 'claude-haiku-4-5'], // optional
})

Body từ client được whitelist (chỉ model/messages/temperature/max_tokens đi qua, message chỉ giữ role+content), giới hạn 50 messages / 100k ký tự. Lỗi key gateway (401/403) trả về client dạng 502 chung chung — không lộ chi tiết.

Client — composable

<script setup lang="ts">
import { useAiChat } from '@antadmin/ai'

const { messages, status, error, send, abort, reset } = useAiChat({
  system: 'Bạn là trợ lý nội bộ AntAdmin, trả lời tiếng Việt.',
})
</script>
  • messages cập nhật dần theo stream (SSE) — render trực tiếp trong template.
  • status: idle | streaming | error — disable input khi streaming.
  • abort() dừng stream giữ phần đã nhận; lỗi thật thì placeholder rỗng tự gỡ, message user giữ lại để gửi lần nữa.
  • Chỉ dùng client-side (page framework mặc định CSR).

Prompt library — @antadmin/ai/prompts

Prompt dùng chung có version, template {{biến}} với validate (thiếu biến / placeholder thừa đều ném lỗi ngay lúc dev):

import { antadminAssistant, renderPrompt } from '@antadmin/ai/prompts'

const system = renderPrompt(antadminAssistant, { app_name: 'Thu phí ETC' })
const chat = useAiChat({ system })

Có sẵn: antadminAssistant (persona trợ lý chuẩn), summarize (tóm tắt N gạch đầu dòng), extractJson (trích JSON theo schema). Prompt mới dùng definePrompt — đổi nội dung thì tăng version và thêm eval case.

Eval — @antadmin/ai/eval + CI

Golden cases ở evals/cases.ts, assertion tất định (contains/regex/json-valid/max-lines…, không LLM chấm LLM). Chạy local:

AI_GATEWAY_URL=... AI_GATEWAY_KEY=... pnpm --filter @antadmin/ai eval

CI: job ai-eval chạy khi MR đụng packages/ai/** (cần biến AI_GATEWAY_URL/AI_GATEWAY_KEY, tuỳ chọn AI_EVAL_MODEL), allow_failure — gateway sập không khoá MR.

Lưu ý cho app Nuxt

Thêm vào nuxt.config.ts của app (như @antadmin/ui/@antadmin/composables trong layer):

build: { transpile: ['@antadmin/ai'] }