feat: Add texture management features and update UI components

src/component/Canvas/CanvasEditor/store/BrushStore.js

@@ -72,6 +72,9 @@ const state = reactive({
     },
   ],
 
+  // 上传的纹理缓存列表
+  uploadedTextures: [],
+
   // 最近使用的颜色
   recentColors: ["#000000", "#ffffff", "#ff0000", "#00ff00", "#0000ff"],
 
@@ -559,6 +562,35 @@ const actions = {
       }
     });
   },
+
+  /**
+   * 清空上传的纹理缓存
+   */
+  clearUploadedTextures() {
+    state.uploadedTextures = [];
+  },
+
+  /**
+   * 添加纹理到缓存
+   * @param {String} textureId 材质ID
+   */
+  cacheUploadedTexture(textureId) {
+    const texture = texturePresetManager.getTextureById(textureId);
+    if (texture && !state.uploadedTextures.includes(textureId)) {
+      state.uploadedTextures.push(textureId);
+    }
+  },
+
+  /**
+   * 从缓存中移除纹理
+   * @param {String} textureId 材质ID
+   */
+  removeCachedTexture(textureId) {
+    const index = state.uploadedTextures.indexOf(textureId);
+    if (index !== -1) {
+      state.uploadedTextures.splice(index, 1);
+    }
+  },
 };
 
 // 暴露给组件使用的Store对象