Basic AI Tool for Writers 10.4.5

10.4.5: Fix duplicate AI editor context commands by organizing late-added menu entries into Lookup and Writing submenus with distinct Lucide icons. Expand narrative timelines with all original George-debug line-2..5 and body-2..4 styles, 11 accent presets, distinct Minimal/Compact designs, Poster/Glass/Terminal themes, live selectors and bilingual documentation.