Use root post threadgate as source for author feed

src/view/com/posts/FeedItem.tsx

@@ -4,6 +4,7 @@ import {
   AppBskyActorDefs,
   AppBskyFeedDefs,
   AppBskyFeedPost,
+  AppBskyFeedThreadgate,
   AtUri,
   ModerationDecision,
   RichText as RichTextAPI,
@@ -78,7 +79,11 @@ export function FeedItem({
   isThreadParent,
   hideTopBorder,
   isParentBlocked,
-}: FeedItemProps & {post: AppBskyFeedDefs.PostView}): React.ReactNode {
+  rootPost,
+}: FeedItemProps & {
+  post: AppBskyFeedDefs.PostView
+  rootPost?: AppBskyFeedDefs.PostView
+}): React.ReactNode {
   const postShadowed = usePostShadow(post)
   const richText = useMemo(
     () =>
@@ -109,6 +114,7 @@ export function FeedItem({
         isThreadParent={isThreadParent}
         hideTopBorder={hideTopBorder}
         isParentBlocked={isParentBlocked}
+        rootPost={rootPost}
       />
     )
   }
@@ -129,9 +135,11 @@ let FeedItemInner = ({
   isThreadParent,
   hideTopBorder,
   isParentBlocked,
+  rootPost,
 }: FeedItemProps & {
   richText: RichTextAPI
   post: Shadow<AppBskyFeedDefs.PostView>
+  rootPost?: AppBskyFeedDefs.PostView
 }): React.ReactNode => {
   const queryClient = useQueryClient()
   const {openComposer} = useComposerControls()
@@ -366,6 +374,11 @@ let FeedItemInner = ({
             onPressReply={onPressReply}
             logContext="FeedItem"
             feedContext={feedContext}
+            threadgateRecord={
+              AppBskyFeedThreadgate.isRecord(rootPost?.threadgate?.record)
+                ? rootPost.threadgate.record
+                : undefined
+            }
           />
         </View>
       </View>

src/view/com/posts/FeedSlice.tsx

@@ -36,6 +36,7 @@ let FeedSlice = ({
           isThreadChild={isThreadChildAt(slice.items, 0)}
           hideTopBorder={hideTopBorder}
           isParentBlocked={slice.items[0].isParentBlocked}
+          rootPost={slice.items[0].post}
         />
         <ViewFullThread uri={slice.items[0].uri} />
         <FeedItem
@@ -53,6 +54,7 @@ let FeedSlice = ({
           isThreadParent={isThreadParentAt(slice.items, beforeLast)}
           isThreadChild={isThreadChildAt(slice.items, beforeLast)}
           isParentBlocked={slice.items[beforeLast].isParentBlocked}
+          rootPost={slice.items[0].post}
         />
         <FeedItem
           key={slice.items[last]._reactKey}
@@ -67,6 +69,7 @@ let FeedSlice = ({
           isThreadChild={isThreadChildAt(slice.items, last)}
           isParentBlocked={slice.items[last].isParentBlocked}
           isThreadLastChild
+          rootPost={slice.items[0].post}
         />
       </>
     )
@@ -91,6 +94,7 @@ let FeedSlice = ({
           }
           isParentBlocked={slice.items[i].isParentBlocked}
           hideTopBorder={hideTopBorder && i === 0}
+          rootPost={slice.items[0].post}
         />
       ))}
     </>

src/view/com/util/forms/PostDropdownBtn.tsx

@@ -146,8 +146,8 @@ let PostDropdownBtn = ({
   const isAuthor = postAuthor.did === currentAccount?.did
   const isRootPostAuthor = new AtUri(rootUri).host === currentAccount?.did
   const isReplyHiddenByThreadgate =
-    threadgateRecord?.hiddenReplies?.includes(postUri) ||
-    hiddenReplies.includes(postUri)
+    hiddenReplies.includes(postUri) ||
+    threadgateRecord?.hiddenReplies?.includes(postUri)
 
   const {mutateAsync: toggleQuoteDetachment, isPending} =
     useToggleQuoteDetachmentMutation()