docs: add tips for copying long outputs in CLI mode to README files

README.md

@@ -262,6 +262,9 @@ EvoSci  # or EvoScientist — interactive mode (TUI by default)
 
 ![cli help](https://raw.githubusercontent.com/EvoScientist/EvoScientist/main/.github/assets/EvoScientist_cli_help.png)
 
+> [!TIP]
+> Need to copy long outputs? Use `--ui cli` for classic mode where native terminal copy works freely. On macOS, [iTerm2](https://iterm2.com/) users can also hold `⌥ Option` while dragging to select, then `⌘+C`.
+
 <details>
 <summary>Common examples</summary>
 

README.zh-CN.md

@@ -271,6 +271,9 @@ EvoSci  # 或 EvoScientist — 交互模式（默认 TUI）
 
 ![cli help](https://raw.githubusercontent.com/EvoScientist/EvoScientist/main/.github/assets/EvoScientist_cli_help.png)
 
+> [!TIP]
+> 需要复制长输出？使用 `--ui cli` 切换到经典模式，即可使用终端原生复制。macOS [iTerm2](https://iterm2.com/) 用户也可以按住 `⌥ Option` 拖选文字，再 `⌘+C` 复制。
+
 <details>
 <summary>常用示例</summary>