portbuster dfa9a20629 fix: relay circuit keepalive, TCP transport, shell escape Ctrl+] ...

- Add 5s stream keepalive loop (MsgTypeCover) to prevent relay idle timeout
- Add TCP transport alongside WebSocket for relay connectivity
- Add Ctrl+] escape from interactive shell
- Fix DHT reconnection when beacon stream dies (check stream nil)
- Add AllowLimitedConn to shell and portfwd NewStream calls
- Log periodic beacon success messages
- Fix ps empty-slice handling on Linux
- Fix process-wait zombie prevention

2026-06-05 23:36:24 +08:00

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embed.go

fix: relay circuit keepalive, TCP transport, shell escape Ctrl+]

2026-06-05 23:36:24 +08:00