The absolute-path rejection hint said "cd to the target directory
first" - advice the lark-sheets skill explicitly tells agents not to
follow (it pollutes the working directory). The stdin-contention hint
also demonstrated @file with an absolute path, which would itself be
rejected.
- @file failures on stdin-capable flags now show the equivalent stdin
invocation (--csv - < /tmp/x.csv)
- the path error recommends a relative path or stdin, not cd
- the stdin-contention example uses a relative @file path
Message-text only; no control-flow change for any domain.
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