perf(acp): avoid re-encoding terminal output for every chunk (#19607)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
9d4038f731Wout Stiens committed on 10/19/2026, 11:55:01 PM· committed by GitHubparentcb0553e
2 files changedLine totals unavailable