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The CLI renders through prompt_toolkit in non-full-screen mode, so every repaint uses the renderer's tracked _cursor_pos.y to cursor_up() + erase before drawing the new frame. Any time that tracked position drifts from terminal reality, redraws stack on top of stale content instead of overwriting it. Four user-visible bugs share this root cause. Fixes: - #5474 (SIGWINCH ghosts): the resize wrapper previously only handled column-shrink reflow. Generalize it to force a full screen-clear (erase_screen + cursor_goto(0,0)) and renderer.reset() on every resize — covers widen, row-shrink, and multiplexer SIGWINCH-less redraws. - #8688 (cmux/tmux tab switch): no SIGWINCH fires on focus regain, so prompt_toolkit has no signal to recover. Add a _force_full_redraw() helper, bound to Ctrl+L (standard bash/zsh/vim convention) and exposed as /redraw. Users can manually clear drift without restarting Hermes. - #14692 (DSR response leaks — ^[[53;1R): resize storms make prompt_toolkit's CSI 6n queries race past the input parser; the terminal's reply ends up as literal input text. Add a sibling of the bracketed-paste sanitizer that strips \x1b[<row>;<col>R and the caret-escape visible form from paste text, buffer text-filter, and the input-processing loop. The idle-redraw removal (#12641) is in the preceding commit from @foxion37 — keeping them as separate commits preserves attribution.