Add GetAverageDifficultyForVideo query

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Co-Authored-By: Claude <noreply@anthropic.com>

src/operations/shots.gql

@@ -192,6 +192,7 @@ fragment ShotWithAllFeatures on ShotGQL {
       streamSegmentType
     }
     playlist {
+      videoId
       segmentDurations
     }
   }

src/operations/user.gql

@@ -88,32 +88,16 @@ query GetUserTags {
 
 mutation followUser($followedUserId: Int!) {
   followUser(followedUserId: $followedUserId) {
-    username
-    id
-    following {
     id
     username
   }
-    followers {
-      id
-      username
-    }
-  }
 }
 
 mutation unfollowUser($followedUserId: Int!) {
   unfollowUser(followedUserId: $followedUserId) {
-    username
-    id
-    following {
     id
     username
   }
-    followers {
-      id
-      username
-    }
-  }
 }
 
 query getUserFollowingFollowers {
@@ -123,11 +107,13 @@ query getUserFollowingFollowers {
       id
       username
       profileImageUri
+      isFollowedByCurrentUser
     }
     followers {
       id
       username
       profileImageUri
+      isFollowedByCurrentUser
     }
   }
 }

src/operations/video.gql

@@ -211,6 +211,13 @@ query GetMedianRunForVideo($videoId: Int!) {
   }
 }
 
+query GetAverageDifficultyForVideo($videoId: Int!) {
+  getVideo(videoId: $videoId) {
+    id
+    averageDifficulty
+  }
+}
+
 fragment StreamWithEndFrames on UploadStreamGQL {
   id
   streamSegmentType