Pure-frontend bridge that imports SillyTavern character cards (PNG/JSON) and lorebooks, edits them by category, and exports JSON consumable by rikkahub — preserving fields rikkahub's importer would otherwise drop. 纯前端工具:在 SillyTavern 与 rikkahub 之间桥接角色卡和世界书,导出时不丢字段。