Show the bounded-tail notice in both viewer toolbars and scroll the WPF viewer after layout so its newest entry is visible on first open. Exercise huge logs through both sample apps and use physical coordinates for synchronous UI tests on scaled desktops. Refs #18, #20 Co-Authored-By: Codex (GPT-6) <noreply@openai.com> Signed-off-by: James Maes <james@kof22.com>