FineWeb-Edu parquet streaming: /data endpoint (hyparquet over CDN range requests)

Weight-tied unembedding (params/grads halved); PairDrop-style WS relay fallback, keepalive ping, disconnected-state redial, visibility/network reconnect, DAISY_RTC_CONFIG

Room-first lobby (Create/Join, host approval), group training settings sliders

DaisyChain-Web demo: P2P browser training through verified INT8 units