WRONG TREE / do not merge — closed - #65
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in_network_ids is passed to the VF client without deduplication, while oon_ids is deduped four lines below. retweeted_tweet_id is pushed for every candidate that has one, so the same ID repeats once per retweet of a given post — most often when that post is going viral. Neither VfClient implementation dedupes its input: StratoVfClient builds one call per element, and XaiVfClient chunks by XAI_VF_MAX_BATCH_SIZE, so duplicates consume batch slots and can force an extra round trip. Not a correctness issue — results collapse into a HashMap keyed by tweet ID — but redundant work on the For You serving path. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Deduplicate in_network_ids before VF lookup
Phoenix, MOE, Topics, and TweetMixer set in_reply_to_tweet_id and leave ancestors empty. OONRetweetReplyFilter treated empty ancestors as a hard drop, so in-network followee replies never reached scoring or VF. Thunder already copies the parent into ancestors and survived. OON retweets and replies still drop. Co-authored-by: Jon Bailey <Pitchfork-and-Torch@users.noreply.github.com>
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Wrong tree. Closed. Never PR this fork. Upstream only: xai-org/x-algorithm.