* fix(agents): use Buffer.byteLength for bash output rolling buffer accounting
The outputBytes variable tracks the rolling output buffer size for
bash command execution, but it used string .length (UTF-16 code units)
instead of Buffer.byteLength (UTF-8 bytes). When command output
contains multi-byte UTF-8 characters (emoji, CJK, etc.), the .length
undercount causes the rolling buffer to exceed maxOutputBytes.
Replace .length with Buffer.byteLength() at both increment and
decrement sites to correctly track byte-level buffer size.
Co-Authored-By: Claude <noreply@anthropic.com>
* refactor(agents): unify bash output accumulation
* refactor(agents): unify bash output accumulation
---------
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Peter Steinberger <peter@steipete.me>
Co-authored-by: Peter Steinberger <steipete@gmail.com>
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