Stop For You topic snooze from dropping untagged posts - #170
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Stop For You topic snooze from dropping untagged posts#170Pitchfork-and-Torch wants to merge 1 commit into
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TopicIdsFilter treated missing and empty topic hydration as an excluded-topic match, so snoozing any topic removed unlabeled lawful posts from For You. Keep the unlabeled safe harbor used by bulk Explore inclusion.
This was referenced Sep 8, 2026
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Bug
For You with snoozed topics (
excluded_topic_ids, surfacefor_you_with_snoozed_topics) runsTopicIdsFilterafterFilteredTopicsHydrator. The excluded branch keeps a post only whenfiltered_topic_idsis a non-empty list with no snoozed id.None(Strato miss) andSome([])(known untagged) both take_ => falseand are removed.Snoozing Sports (or any one topic) therefore deletes every lawful post that is not already tagged with some other surviving topic. Personal tweets, replies, and anything Strato did not label disappear. This is a successful filter result on the wrong set, not ranking weight.
This is not Explore topic hydration miss (bulk
topic_idsfail-closed onNone). That path is inclusion/exclusion of withheld Explore inventory. This path is For You snooze treating unlabeled speech as a positive exclude match.Proof
ScoredPostsQuery.excluded_topic_idson For You snoozeTopicIdsFilterexcluded partition (Phoenix pre-score)NoneandSome([])take_ => falseNone/ empty (_ => true)Fix
Keep missing and empty topic lists on the excluded branch. A snoozed topic still drops a post that actually carries that id (or an expanded child). Untagged posts stay.
Tests