fix(tui): reset styles per line

packages/tui/README.md

@@ -74,6 +74,8 @@ interface Component {
 | `handleInput?(data)` | Called when the component has focus and receives keyboard input. The `data` string contains raw terminal input (may include ANSI escape sequences). |
 | `invalidate?()` | Called to clear any cached render state. Components should re-render from scratch on the next `render()` call. |
 
+The TUI appends a full SGR reset and OSC 8 reset at the end of each rendered line. Styles do not carry across lines. If you emit multi-line text with styling, reapply styles per line or use `wrapTextWithAnsi()` so styles are preserved for each wrapped line.
+
 ## Built-in Components
 
 ### Container