feat(editor): block comment extension (#12980)

#### PR Dependency Tree


* **PR #12980** 👈

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blocksuite/affine/blocks/attachment/src/attachment-block.ts

@@ -17,6 +17,7 @@ import {
   AttachmentBlockStyles,
 } from '@blocksuite/affine-model';
 import {
+  BlockCommentManager,
   CitationProvider,
   DocModeProvider,
   FileSizeLimitProvider,
@@ -92,6 +93,12 @@ export class AttachmentBlockComponent extends CaptionedBlockComponent<Attachment
     return this.citationService.isCitationModel(this.model);
   }
 
+  get isCommentHighlighted() {
+    return this.std
+      .get(BlockCommentManager)
+      .isBlockCommentHighlighted(this.model);
+  }
+
   convertTo = () => {
     return this.std
       .get(AttachmentEmbedProvider)
@@ -499,6 +506,7 @@ export class AttachmentBlockComponent extends CaptionedBlockComponent<Attachment
         class=${classMap({
           'affine-attachment-container': true,
           focused: this.selected$.value,
+          'comment-highlighted': this.isCommentHighlighted,
         })}
         style=${this.containerStyleMap}
       >

blocksuite/affine/blocks/attachment/src/configs/toolbar.ts

@@ -10,6 +10,7 @@ import {
 } from '@blocksuite/affine-shared/consts';
 import {
   ActionPlacement,
+  blockCommentToolbarButton,
   type ToolbarAction,
   type ToolbarActionGroup,
   type ToolbarModuleConfig,
@@ -240,6 +241,10 @@ const builtinToolbarConfig = {
     replaceAction,
     downloadAction,
     captionAction,
+    {
+      id: 'f.comment',
+      ...blockCommentToolbarButton,
+    },
     {
       placement: ActionPlacement.More,
       id: 'a.clipboard',

blocksuite/affine/blocks/attachment/src/styles.ts

@@ -15,6 +15,10 @@ export const styles = css`
     }
   }
 
+  .affine-attachment-container.comment-highlighted {
+    outline: 2px solid ${unsafeCSSVarV2('block/comment/highlightUnderline')};
+  }
+
   .affine-attachment-card {
     display: flex;
     gap: 12px;