482eb244d5
新增组件: - DraggableElement: 可拖拽日记元素组件 (移动/缩放/选中/删除) - EditorToolbar: 底部工具栏 (8种工具 + 8色 + 5级笔宽 + 撤销/重做) - EditorStack: 三层 Stack 架构 (Canvas + 元素 + 工具栏) 重写文件: - editor_bloc.dart: 扩展为完整编辑器 BLoC - 元素管理: 添加/删除/移动/缩放/旋转/选中 (7种事件) - 工具栏: 8种工具切换 (pen/pencil/marker/eraser/select/text/sticker/image) - 自动保存: 2秒 debounce 回调 - 状态扩展: elements/selectedElementId/activeTool/isDirty - editor_page.dart: 从占位页面重写为完整编辑器 - 顶栏: 返回/标题/完成按钮 - 中间: 三层 Stack (手写层 + 元素层 + 空状态提示) - 底部: EditorToolbar - 交互逻辑: 画笔模式→Canvas接收, 选择模式→元素层接收 验证: flutter analyze (0 error)
nuanji_app
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