Lighten every page, add Features and Technical architecture pages - All pages shortened in both languages: justifications, repeated explanations and details visible on the screenshots removed, explanatory tables turned into lists - New pages: Fonctionnalités / Features, Architecture technique / Technical architecture - Corrections: Select all and Check all describe what the buttons really do, the two locked-database entries of the French troubleshooting page are merged, issue links all point to the form chooser - Cancel and Limitations now say that an interrupted plain copy may leave an incomplete file, fix planned for 1.3.1 Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>