Method reenterAltScreen

src/ink/ink.tsx:964–967

* Re-enter alt-screen, clear, home, re-enable mouse tracking, and reset * frame buffers so the next render repaints from scratch. Self-heal for * SIGCONT, resize, and stdin-gap/event-loop-stall (sleep/wake) — any of * which can leave the terminal in main-screen mode while altScreenActive

()

   * stays true. ENTER_ALT_SCREEN is a terminal-side no-op if already in alt.
   */
  private reenterAltScreen(): void {
    this.options.stdout.write(ENTER_ALT_SCREEN + ERASE_SCREEN + CURSOR_HOME + (this.altScreenMouseTracking ? ENABLE_MOUSE_TRACKING : ''));
    this.resetFramesForAltScreen();
  }

  /**
   * Seed prev/back frames with full-size BLANK screens (rows×cols of empty