fix: hide post

migrations/0037_add_post_is_hidden.down.sql

@@ -0,0 +1,2 @@
+DROP INDEX IF EXISTS posts_user_created_visible_idx;
+ALTER TABLE posts DROP COLUMN IF EXISTS is_hidden;

migrations/0037_add_post_is_hidden.up.sql

@@ -0,0 +1,11 @@
+-- Posts can be hidden from timelines (profile feed as seen by others, the
+-- global home feed) and from public collections by their owner. Hidden posts
+-- still appear to the owner on their own profile and in private collections.
+ALTER TABLE posts
+    ADD COLUMN IF NOT EXISTS is_hidden BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- Partial index keeps the "visible posts, newest first" timeline/feed scans
+-- cheap by excluding hidden rows from the index entirely.
+CREATE INDEX IF NOT EXISTS posts_user_created_visible_idx
+    ON posts (user_id, created_at DESC)
+    WHERE is_hidden = FALSE;