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/package.json

@@ -6,13 +6,16 @@
     "dev:mp-weixin": "uni -p mp-weixin",
     "build:mp-weixin": "uni build -p mp-weixin",
     "dev:h5": "uni",
-    "build:h5": "uni build"
+    "build:h5": "uni build",
+    "upload": "node scripts/upload.js",
+    "preview": "node scripts/upload.js preview"
   },
   "dependencies": {
     "@dcloudio/uni-app": "3.0.0-4010520240507001",
     "@dcloudio/uni-components": "3.0.0-4010520240507001",
     "@dcloudio/uni-h5": "3.0.0-4010520240507001",
     "@dcloudio/uni-mp-weixin": "3.0.0-4010520240507001",
+    "miniprogram-ci": "^2.1.31",
     "vue": "3.4.21"
   },
   "devDependencies": {