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-- Add content_visibility column to community_subscriptions table
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-- This implements the feed slider (1-5 scale) from DOMAIN_KNOWLEDGE.md
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-- 1 = Only show the best/most popular content from this community
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-- 5 = Show all content from this community
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-- Default = 3 (balanced)
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ALTER TABLE community_subscriptions
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ADD COLUMN content_visibility INTEGER NOT NULL DEFAULT 3
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CHECK (content_visibility >= 1 AND content_visibility <= 5);
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-- Index for feed generation queries (filter by visibility level)
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CREATE INDEX idx_subscriptions_visibility ON community_subscriptions(content_visibility);
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-- Composite index for user feed queries (user_did + visibility level)
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CREATE INDEX idx_subscriptions_user_visibility ON community_subscriptions(user_did, content_visibility);
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COMMENT ON COLUMN community_subscriptions.content_visibility IS 'Feed slider: 1=only best content, 5=all content (see social.coves.community.subscription lexicon)';
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-- Remove content_visibility column and indexes
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DROP INDEX IF EXISTS idx_subscriptions_user_visibility;
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DROP INDEX IF EXISTS idx_subscriptions_visibility;
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ALTER TABLE community_subscriptions DROP COLUMN content_visibility;