AI Git Bot 1.12.0

What's Changed

• feature/backmerge-to-develop by @tmseidel in #209
• Add AI usage/error auditing with Usage page and dashboard AI error visibility by @Copilot in #212
• Clean up boilerplate: Lombok constructors, factory extraction, ArchUnit rules by @Copilot in #205
• release/1.12.0 by @tmseidel in #214

Full Changelog: 1.11.0...1.12.0