vominh1919 2e6699b319 fix: strip leaked declare-x env dump from terminal output on macOS (#15459) ...

On macOS (bash 3.2 and some Homebrew bash builds) `source`ing a file that
contains `declare -x` statements prints each declaration to stdout. The
persistent-shell wrapper in tools/environments/base.py was only redirecting
stderr when sourcing the session snapshot, so ~60 lines of env vars leaked
into every terminal tool response — blowing out context and triggering
HTTP 400s on context-limited providers.

Fix: redirect both stdout and stderr when sourcing the snapshot. Linux
bash is silent here, so the redirect is harmless there; macOS no longer
leaks.

Closes #15459

Co-authored-by: Sanjays2402 <51058514+Sanjays2402@users.noreply.github.com>

2026-04-27 00:19:48 -07:00

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