9fce34f4ef
1. 首页数据不刷新 — JournalRepository 添加 onJournalChanged Stream 变更通知，HomeBloc 订阅后自动刷新 2. 画笔再次点击不弹出面板 — 添加 ToolReactivated 事件， 工具栏检测已激活工具时发出重新激活信号 3. 钢笔铅笔效果一样 — 调整 perfect_freehand 参数 (pen: size 10/smooth 0.65, pencil: size 3/smooth 0.35) 4. 橡皮擦不生效 — ActiveStrokePainter 橡皮擦模式绘制 半透明灰色反馈，笔画完成后 setState 触发 Layer 1 重绘 5. 贴纸文字无法缩放 — DraggableElement 用 Scale 手势 替换 Pan 手势，支持双指缩放和旋转
nuanji_app
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