fix(tui): wire Ctrl+L to Ink forceRedraw path

Expose a small forceRedraw API from @hermes/ink and use it for Ctrl/Cmd+L so the hotkey performs a real terminal clear + full repaint instead of a no-op state patch.

ui-tui/packages/hermes-ink/src/ink/root.ts

@@ -73,6 +73,16 @@ export type Root = {
   waitUntilExit: () => Promise<void>
 }
 
+export const forceRedraw = (stdout: NodeJS.WriteStream = process.stdout): boolean => {
+  const instance = instances.get(stdout)
+  if (!instance) {
+    return false
+  }
+
+  instance.forceRedraw()
+  return true
+}
+
 /**
  * Mount a component and render the output.
  */