Clash Subscription Converter (Cloudflare Worker)

GET /convert?url=<subscription_url>
GET /convert?url=<url1>,<url2>
GET /convert?url=<url>&ui=1  (enable external-ui: zashboard)
POST /convert  (body can be plain links or base64 subscription)
POST /shorten  (body: {"url":"https://.../convert?..."})
GET /s/<code>  (redirect to long convert url)

Supported protocols: vless, vmess, hysteria2, tuic, anytls, ss, trojan