feat: DashScope 模型代理服务初始提交

支持 Anthropic 和 OpenAI 兼容协议的模型池反代，自动切换免费额度耗尽的模型。
2026-06-11 15:05:25 +08:00
commit d1021a00a0
18 changed files with 3140 additions and 0 deletions
@@ -0,0 +1,163 @@
+import { chmodSync, cpSync, existsSync, mkdirSync, rmSync, writeFileSync } from 'node:fs'
+import { dirname, join, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+
+const scriptDir = dirname(fileURLToPath(import.meta.url))
+const projectRoot = resolve(scriptDir, '..')
+const releaseDir = join(projectRoot, 'release')
+
+rmSync(releaseDir, { recursive: true, force: true })
+mkdirSync(releaseDir, { recursive: true })
+mkdirSync(join(releaseDir, 'data'), { recursive: true })
+mkdirSync(join(releaseDir, 'docs'), { recursive: true })
+
+copyRequiredPath('dist')
+copyRequiredPath('package.json')
+copyRequiredPath('pnpm-lock.yaml')
+copyRequiredPath('.env.example')
+copyRequiredPath('LLM.md')
+copyRequiredPath('docs/usage.md')
+copyRequiredPath('docs/state-file.md')
+
+writeFileSync(join(releaseDir, 'data', '.gitkeep'), '\n')
+writeFileSync(join(releaseDir, '.npmrc'), 'production=true\n')
+writeFileSync(join(releaseDir, 'start.sh'), buildStartScript())
+chmodSync(join(releaseDir, 'start.sh'), 0o755)
+writeFileSync(join(releaseDir, 'start.cmd'), toWindowsLineEndings(buildWindowsStartScript()))
+writeFileSync(join(releaseDir, '使用方式.txt'), buildReadme())
+
+console.log(`[release] prepared at ${releaseDir}`)
+
+function copyRequiredPath(relativePath) {
+  const source = join(projectRoot, relativePath)
+  const target = join(releaseDir, relativePath)
+
+  if (!existsSync(source)) {
+    throw new Error(`Missing required path: ${relativePath}`)
+  }
+
+  cpSync(source, target, {
+    recursive: true,
+    force: true,
+    dereference: true,
+    filter: (currentSource) => {
+      const normalized = currentSource.replace(/\\/g, '/')
+      if (normalized.endsWith('/data/proxy-state.json')) return false
+      if (normalized.includes('/data/proxy-state.json.')) return false
+      return true
+    },
+  })
+}
+
+function buildStartScript() {
+  return `#!/bin/sh
+set -eu
+
+SCRIPT_DIR="$(CDPATH= cd -- "$(dirname "$0")" && pwd)"
+cd "$SCRIPT_DIR"
+
+if [ ! -f ".env" ]; then
+  cp .env.example .env
+  echo "已生成 .env，请先填写 PROXY_API_KEY、DASHSCOPE_API_KEYS、MODEL_IDS 后再重新运行 ./start.sh"
+  exit 1
+fi
+
+mkdir -p data
+
+if [ ! -d "node_modules" ]; then
+  if command -v pnpm >/dev/null 2>&1; then
+    pnpm install --prod --frozen-lockfile
+  elif command -v corepack >/dev/null 2>&1; then
+    corepack pnpm install --prod --frozen-lockfile
+  else
+    echo "未找到 pnpm 或 corepack，请先安装 Node.js 20+（含 corepack）或 pnpm"
+    exit 1
+  fi
+fi
+
+exec node dist/index.js
+`
+}
+
+function buildReadme() {
+  return `1. 确认机器已安装 Node.js 20 或更高版本。
+2. 首次运行：
+   - Windows：双击 start.cmd，或在 cmd/PowerShell 里执行 start.cmd
+   - macOS / Linux：执行 ./start.sh
+3. 如果当前目录没有 .env，会自动从 .env.example 生成一份模板。
+4. 打开 .env，至少填写:
+   - PROXY_API_KEY
+   - DASHSCOPE_API_KEYS
+   - MODEL_IDS
+5. 再次运行启动脚本：
+   - Windows：start.cmd
+   - macOS / Linux：./start.sh
+
+说明:
+- 首次真正启动时会自动安装运行时依赖
+- 首次启动会自动创建新的 data/proxy-state.json
+- 运行时依赖不包含原生编译模块，Windows 上不需要额外安装 C++ 编译环境
+`
+}
+
+function buildWindowsStartScript() {
+  return `@echo off
+setlocal
+cd /d "%~dp0"
+
+if not exist ".env" (
+  copy /Y ".env.example" ".env" >nul
+  echo Created .env from .env.example
+  echo Fill PROXY_API_KEY, DASHSCOPE_API_KEYS and MODEL_IDS
+  echo Then run start.cmd again
+  echo.
+  pause
+  exit /b 1
+)
+
+if not exist "data" mkdir data
+
+if not exist "node_modules" (
+  where pnpm >nul 2>nul
+  if not errorlevel 1 (
+    call pnpm install --prod --frozen-lockfile
+    if errorlevel 1 goto :install_failed
+    goto :run
+  )
+
+  where corepack >nul 2>nul
+  if not errorlevel 1 (
+    call corepack pnpm install --prod --frozen-lockfile
+    if errorlevel 1 goto :install_failed
+    goto :run
+  )
+
+  echo pnpm or corepack was not found
+  echo Install Node.js 20+ or pnpm first
+  echo.
+  pause
+  exit /b 1
+)
+
+:run
+call node dist\\index.js
+set EXIT_CODE=%errorlevel%
+if not "%EXIT_CODE%"=="0" (
+  echo.
+  echo Service exited with code %EXIT_CODE%
+  pause
+)
+exit /b %EXIT_CODE%
+
+:install_failed
+echo.
+echo Dependency install failed
+echo Check Node.js, pnpm and build tools
+pause
+exit /b 1
+`
+}
+
+function toWindowsLineEndings(value) {
+  return value.replace(/\n/g, '\r\n')
+}