Add count to anchor

src/screens/PostThread/components/ThreadItemAnchor.tsx

@@ -415,13 +415,18 @@ const ThreadItemAnchorInner = memo(function ThreadItemAnchorInner({
           />
           {post.repostCount !== 0 ||
           post.likeCount !== 0 ||
-          post.quoteCount !== 0 ? (
+          post.quoteCount !== 0 ||
+          post.bookmarkCount !== 0 ? (
             // Show this section unless we're *sure* it has no engagement.
             <View
               style={[
                 a.flex_row,
+                a.flex_wrap,
                 a.align_center,
-                a.gap_lg,
+                {
+                  rowGap: a.gap_sm.gap,
+                  columnGap: a.gap_lg.gap,
+                },
                 a.border_t,
                 a.border_b,
                 a.mt_md,
@@ -474,6 +479,22 @@ const ThreadItemAnchorInner = memo(function ThreadItemAnchorInner({
                   </Text>
                 </Link>
               ) : null}
+              {post.bookmarkCount != null && post.bookmarkCount !== 0 ? (
+                <Link to={likesHref} label={_(msg`Saves of this post`)}>
+                  <Text
+                    testID="bookmarkCount-expanded"
+                    style={[a.text_md, t.atoms.text_contrast_medium]}>
+                    <Text style={[a.text_md, a.font_bold, t.atoms.text]}>
+                      {formatPostStatCount(i18n, post.bookmarkCount)}
+                    </Text>{' '}
+                    <Plural
+                      value={post.bookmarkCount}
+                      one="save"
+                      other="saves"
+                    />
+                  </Text>
+                </Link>
+              ) : null}
             </View>
           ) : null}
           <View

src/state/cache/post-shadow.ts

@@ -93,6 +93,18 @@ function mergeShadow(
     likeCount = Math.max(0, likeCount)
   }
 
+  let bookmarkCount = post.bookmarkCount ?? 0
+  if ('bookmarked' in shadow) {
+    const wasBookmarked = !!post.viewer?.bookmarked
+    const isBookmarked = !!shadow.bookmarked
+    if (wasBookmarked && !isBookmarked) {
+      bookmarkCount--
+    } else if (!wasBookmarked && isBookmarked) {
+      bookmarkCount++
+    }
+    bookmarkCount = Math.max(0, bookmarkCount)
+  }
+
   let repostCount = post.repostCount ?? 0
   if ('repostUri' in shadow) {
     const wasReposted = !!post.viewer?.repost
@@ -128,6 +140,7 @@ function mergeShadow(
     likeCount: likeCount,
     repostCount: repostCount,
     replyCount: replyCount,
+    bookmarkCount: bookmarkCount,
     viewer: {
       ...(post.viewer || {}),
       like: 'likeUri' in shadow ? shadow.likeUri : post.viewer?.like,