feat: AI routing DB-driven, payment gateway full integration, WeChat mini-program CI/CD

- AI routing rules now stored in system_configs DB table instead of hardcoded config
- Multi-model support via name|model composite key for same-provider routing
- UnifiedPayService with HMAC-SHA256 gateway integration (alipay/wechat)
- Admin payment panel: list, stats, search, filter, refund
- WeChat mini-program CI/CD via miniprogram-ci (v1.0.9)
- Translation quota extended to LLM provider tier
- SearchService with DB-driven provider config (bing/google_cse/searxng)
- Footer cleanup across admin/workspace/uni-app
- Private key excluded from git tracking

uni-app/scripts/upload.js

@@ -0,0 +1,59 @@
+const ci = require('miniprogram-ci')
+const path = require('path')
+
+const APPID = process.env.WX_APPID || 'wxdad62baf4ccd09e3'
+const KEY_PATH = process.env.WX_PRIVATE_KEY_PATH || path.resolve(__dirname, '../private.key')
+const VERSION = process.env.WX_VERSION || '1.0.6'
+
+// miniprogram-ci 2.x 已知 bug：上传完成后进程残留 setTimeout 无法自动退出
+// 设置强制退出计时器，防止进程卡死
+const FORCE_EXIT_MS = 600_000
+let forceExitTimer = setTimeout(() => {
+  console.error('Upload timed out, forcing exit')
+  process.exit(1)
+}, FORCE_EXIT_MS)
+
+async function main() {
+  const project = new ci.Project({
+    appid: APPID,
+    type: 'miniProgram',
+    projectPath: path.resolve(__dirname, '../dist/build/mp-weixin/'),
+    privateKeyPath: KEY_PATH,
+    ignores: ['node_modules/**/*'],
+  })
+
+  const action = process.argv[2] || 'upload'
+
+  if (action === 'preview') {
+    const qrcodeDest = path.resolve(__dirname, '../dist/qrcode.jpg')
+    await ci.preview({
+      project,
+      version: VERSION,
+      desc: process.env.WX_DESC || '自动预览',
+      setting: { minify: true, es6: true, autoPrefixWXSS: true },
+      qrcodeFormat: 'image',
+      qrcodeOutputDest: qrcodeDest,
+      onProgressUpdate: console.log,
+    })
+    console.log('Preview QR:', qrcodeDest)
+  } else {
+    console.log(`Uploading v${VERSION} ...`)
+    const result = await ci.upload({
+      project,
+      version: VERSION,
+      desc: process.env.WX_DESC || '自动构建上传',
+      setting: { minify: true, es6: true, autoPrefixWXSS: true },
+      onProgressUpdate: console.log,
+    })
+    console.log('Upload done:', JSON.stringify(result))
+  }
+}
+
+main().then(() => {
+  clearTimeout(forceExitTimer)
+  process.exit(0)
+}).catch(e => {
+  console.error('Upload failed:', e.message)
+  clearTimeout(forceExitTimer)
+  process.exit(1)
+})