refactor(editor): adjust folder structure for slash menu extension (#10588)

Close [BS-2743](https://linear.app/affine-design/issue/BS-2743/slash-menu插件化：调整文件夹结构)

This PR move slash menu from `affine-root-block` to `widget-affine-slash-menu`, and make it as a `WidgetViewExtension`

packages/frontend/core/src/blocksuite/ai/entries/slash-menu/setup-slash-menu.ts

@@ -29,26 +29,28 @@ export function setupSlashMenuAIEntry(slashMenu: AffineSlashMenuWidget) {
 
   const showWhenWrapper =
     (item?: AIItemConfig) =>
-    ({ rootComponent }: AffineSlashMenuContext) => {
-      const affineAIPanelWidget = rootComponent.host.view.getWidget(
+    ({ std }: AffineSlashMenuContext) => {
+      const root = std.host.doc.root;
+      if (!root) return false;
+      const affineAIPanelWidget = std.view.getWidget(
         AFFINE_AI_PANEL_WIDGET,
-        rootComponent.model.id
+        root.id
       );
       if (affineAIPanelWidget === null) return false;
 
-      const chain = rootComponent.host.command.chain();
-      const docModeService = rootComponent.std.get(DocModeProvider);
-      const editorMode = docModeService.getPrimaryMode(rootComponent.doc.id);
+      const chain = std.host.command.chain();
+      const docModeService = std.get(DocModeProvider);
+      const editorMode = docModeService.getPrimaryMode(std.host.doc.id);
 
-      return item?.showWhen?.(chain, editorMode, rootComponent.host) ?? true;
+      return item?.showWhen?.(chain, editorMode, std.host) ?? true;
     };
 
   const actionItemWrapper = (
     item: AIItemConfig
   ): AffineSlashMenuActionItem => ({
     ...basicItemConfig(item),
-    action: ({ rootComponent }: AffineSlashMenuContext) => {
-      item?.handler?.(rootComponent.host);
+    action: ({ std }: AffineSlashMenuContext) => {
+      item?.handler?.(std.host);
     },
   });
 
@@ -58,7 +60,7 @@ export function setupSlashMenuAIEntry(slashMenu: AffineSlashMenuWidget) {
       subMenu: (item.subItem ?? []).map<AffineSlashMenuActionItem>(
         ({ type, handler }) => ({
           name: type,
-          action: ({ rootComponent }) => handler?.(rootComponent.host),
+          action: ({ std }) => handler?.(std.host),
         })
       ),
     };
@@ -78,11 +80,12 @@ export function setupSlashMenuAIEntry(slashMenu: AffineSlashMenuWidget) {
     name: 'Ask AI',
     icon: AIStarIcon,
     showWhen: showWhenWrapper(),
-    action: ({ rootComponent }) => {
-      const view = rootComponent.host.view;
-      const affineAIPanelWidget = view.getWidget(
+    action: ({ std }) => {
+      const root = std.host.doc.root;
+      if (!root) return;
+      const affineAIPanelWidget = std.view.getWidget(
         AFFINE_AI_PANEL_WIDGET,
-        rootComponent.model.id
+        root.id
       ) as AffineAIPanelWidget;
       handleInlineAskAIAction(affineAIPanelWidget.host);
     },

packages/frontend/core/src/blocksuite/extensions/entry/enable-mobile.ts

@@ -17,7 +17,7 @@ import {
   imageToolbarWidget,
   ParagraphBlockService,
   ReferenceNodeConfigIdentifier,
-  slashMenuWidget,
+  SlashMenuExtension,
   surfaceRefToolbarWidget,
   toolbarWidget,
   VirtualKeyboardProvider as BSVirtualKeyboardProvider,
@@ -166,10 +166,10 @@ export function enableMobileExtension(
   specBuilder: SpecBuilder,
   framework: FrameworkProvider
 ): void {
-  specBuilder.omit(slashMenuWidget);
   specBuilder.omit(codeToolbarWidget);
   specBuilder.omit(imageToolbarWidget);
   specBuilder.omit(surfaceRefToolbarWidget);
   specBuilder.omit(toolbarWidget);
+  specBuilder.omit(SlashMenuExtension);
   specBuilder.extend([MobileSpecsPatches, KeyboardToolbarExtension(framework)]);
 }

packages/frontend/core/src/blocksuite/extensions/quick-search-service.ts

@@ -137,11 +137,10 @@ export function patchQuickSearchService(framework: FrameworkProvider) {
               'action' in item &&
               (item.name === 'Linked Doc' || item.name === 'Link')
             ) {
-              item.action = async ({ rootComponent }) => {
-                const [success, { insertedLinkType }] =
-                  rootComponent.std.command.exec(
-                    insertLinkByQuickSearchCommand
-                  );
+              item.action = async ({ std }) => {
+                const [success, { insertedLinkType }] = std.command.exec(
+                  insertLinkByQuickSearchCommand
+                );
 
                 if (!success) return;