Fallout 2d20 Compendium v1.2.0

Completes the source-driven audit of the official French Core Rulebook (pages 6-428), with 591 French overlay documents corrected and 44 editorial arbitrations documented. Adds the initial Astoundingly Awesome Tales integration; known AAT completeness, provenance, and artwork debt remains explicitly tracked under the owner-approved release waiver. Qualified on Foundry 14.367 with Fallout 11.17.1. See CHANGELOG.md for details.