core: add a full-buffer exec capture policy (#15254)

codex-rs/core/src/tasks/user_shell.rs

@@ -10,6 +10,7 @@ use tracing::error;
 use uuid::Uuid;
 
 use crate::codex::TurnContext;
+use crate::exec::ExecCapturePolicy;
 use crate::exec::ExecToolCallOutput;
 use crate::exec::SandboxType;
 use crate::exec::StdoutStream;
@@ -165,6 +166,7 @@ pub(crate) async fn execute_user_shell_command(
         // TODO(zhao-oai): Now that we have ExecExpiration::Cancellation, we
         // should use that instead of an "arbitrarily large" timeout here.
         expiration: USER_SHELL_TIMEOUT_MS.into(),
+        capture_policy: ExecCapturePolicy::ShellTool,
         sandbox: SandboxType::None,
         windows_sandbox_level: turn_context.windows_sandbox_level,
         windows_sandbox_private_desktop: turn_context