feat: Add following and followers to GetUser query

Adds following and followers arrays to the GetUser query to support
displaying follower/following counts on other users' profiles.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/operations/aggregate.gql

@@ -7,6 +7,7 @@ query GetAggregatedShotMetrics($aggregateInput: AggregateInputGQL!) {
     targetMetrics {
       count
       makePercentage
+      averageDifficulty
     }
   }
 }

src/operations/feed.gql

@@ -50,6 +50,7 @@ fragment VideoCardFields on VideoGQL {
     streamSegmentType
   }
   tableSize
+  pocketSize
   tags {
     tagClasses {
       name

src/operations/user.gql

@@ -34,6 +34,12 @@ query getLoggedInUser {
 query GetUser($userId: Int!) {
   getUser(userId: $userId) {
     ...UserFragment
+    following {
+      id
+    }
+    followers {
+      id
+    }
   }
 }
 

src/operations/video.gql

@@ -61,6 +61,7 @@ query GetVideoDetails($videoId: Int!) {
     endTime
     makePercentage
     medianRun
+    averageDifficulty
     startTime
     totalShots
     totalShotsMade