fix(cli): sanitize surrogate characters in _on_text_changed paste fallback#9158

XiaoXiao0221 wants to merge 2 commits intoNousResearch:mainNousResearch/hermes-agent:mainfrom

XiaoXiao0221:fix/cli-paste-surrogate-crashXiaoXiao0221/hermes-agent:fix/cli-paste-surrogate-crashCopy head branch name to clipboard