claude-bot 8312cfe861 fix(proxy): flush disconnect packet cleanly + label handshake errors ...

Two related diagnostics from production:

1) "Connection reset" instead of the custom block_message screen.
   Root cause: writer.close() returned before the kernel flushed the
   Login Disconnect packet, and the OS sent RST instead of FIN. Fix:
   write_eof() + await wait_closed() so the FIN goes out after the
   payload and the client has time to read the chat component.

2) Log entries showing reason "handshake error:" with an empty tail.
   Root cause: bare OSError() / ConnectionResetError() have empty
   str(), so the f-string interpolated to nothing. Fix: prepend the
   exception class name so the reason is always informative.

2026-05-23 17:46:12 +09:00

12 KiB

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