feat(assets): 素材选择器 - 支持按媒体类型筛选并覆盖远程项目资产

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/pages/projects/detail/assets.tsx

@@ -442,6 +442,7 @@ export default function ProjectAssetsView({ detail, refreshProject }: ProjectDet
             <AssetLibraryPickerModal
                 open={addOpen}
                 remoteLibrary
+                mediaKinds={["image", "video", "audio", "text"]}
                 items={availablePickerItems}
                 categoryLabels={{ ...pickerCategoryLabels, ...externalAssetSources.categoryLabels }}
                 folders={externalAssetSources.folders}

web/src/pages/projects/detail/settings.tsx

@@ -166,6 +166,7 @@ export default function ProjectSettingsView({ detail, refreshProject }: ProjectD
             <AssetLibraryPickerModal
                 open={coverPickerOpen}
                 items={coverPickerItems}
+                mediaKinds={["image"]}
                 categoryLabels={{ all: "全部图片", image: "图片" }}
                 initialCategory="image"
                 initialSelectedIds={currentCoverItemId ? [currentCoverItemId] : []}