{"service":"WSP Server","version":"3.0.0","endpoints":{"sessions":{"list":"GET    /api/sessions","get":"GET    /api/sessions/:id","create":"POST   /api/sessions","restart":"POST   /api/sessions/:id/restart","delete":"DELETE /api/sessions/:id"},"messages":{"history":"GET    /api/messages/:sessionId","sendText":"POST   /api/messages/send-text","sendImage":"POST   /api/messages/send-image","sendPdf":"POST   /api/messages/send-pdf","sendFile":"POST   /api/messages/send-file"},"realtime":"Socket.IO → session:qr, session:ready, session:status, message:incoming"}}