Subj : src/ssh/ssh-conn.c ssh-trans.c src/ssh/test/dssh_test_internal.h test_
To   : Git commit to main/sbbs/master
From : Deucе
Date : Tue Mar 24 2026 20:58:43

https://gitlab.synchro.net/main/sbbs/-/commit/0d52ede219b6cf4b0b67e348
Modified Files:
	src/ssh/ssh-conn.c ssh-trans.c src/ssh/test/dssh_test_internal.h test_auth.c test_conn.c test_transport.c
Log Message:
Add all remaining easy coverage tests

Transport tests:
- first_name: basic, single entry, small buffer (clamp path)
- register/two_kex, two_comp, two_lang (tail->next assignment)
- kexinit/peer_trunc_namelist (SKIP — needs bridge infrastructure)

Auth client tests:
- get_methods FAILURE: truncated, methods_len > payload, control char
- get_methods unexpected msg type
- password CHANGEREQ: no callback, truncated prompt header,
  truncated prompt data, truncated lang
- password unexpected msg type
- SERVICE_ACCEPT unexpected msg type

Conn tests:
- send_eof already sent (direct call via DSSH_TESTABLE)
- send_close already sent
- maybe_replenish_window after EOF (no-op path)
- maybe_replenish_window with low window (triggers WINDOW_ADJUST)
- window underflow to zero via demux

Infrastructure:
- Expose send_eof, send_close, send_window_adjust,
  maybe_replenish_window, first_name as DSSH_TESTABLE
- Add pipe-close to crafted-response server threads to prevent
  client read() hangs

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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