调整图片画布路由和画布数据模型

将图片画布入口改为 /editor/canvas

新增 editor_canvas 表并关联 editor_project 默认画布

更新 project API 响应中的 canvas 快照兼容层

统一图片画布侧栏列表项和图标按钮组件

同步前端测试、SpacetimeDB bindings、技术文档和 TRACKING 记录

server-rs/crates/spacetime-client/src/mapper.rs

@@ -43,8 +43,8 @@ pub use self::combat::{
     ResolveCombatActionRecord,
 };
 pub use self::editor_project::{
-    EditorCanvasViewportRecord, EditorProjectCreateRecordInput, EditorProjectGetRecordInput,
-    EditorProjectLayoutSaveRecordInput, EditorProjectRecord,
+    EditorCanvasRecord, EditorCanvasViewportRecord, EditorProjectCreateRecordInput,
+    EditorProjectGetRecordInput, EditorProjectLayoutSaveRecordInput, EditorProjectRecord,
     EditorProjectResourceCreateRecordInput, EditorProjectResourceRecord,
 };
 pub use self::common::{