Handle read more cases in tree view

src/state/queries/usePostThread/views.ts

@@ -3,6 +3,7 @@ import {
   type AppBskyFeedDefs,
   type AppBskyFeedPost,
   type AppBskyUnspeccedGetPostThreadV2,
+  AtUri,
   moderatePost,
   type ModerationOpts,
 } from '@atproto/api'
@@ -99,6 +100,23 @@ export function threadPost({
   }
 }
 
+export function readMore({
+  item,
+  parent,
+}: {
+  item: Extract<Slice, {type: 'threadPost'}>
+  parent: Extract<Slice, {type: 'threadPost'}>
+}) {
+  return {
+    type: 'readMore' as const,
+    key: `readMore:${parent.uri}`,
+    indent: parent.depth + (item.depth < parent.depth ? -1 : 0),
+    replyCount: parent.value.moreReplies,
+    nextAnchor: parent,
+    nextAnchorUri: new AtUri(parent.uri),
+  }
+}
+
 export function postViewToThreadPlaceholder(
   post: AppBskyFeedDefs.PostView,
 ): $Typed<