Index: src/config/database.js
===================================================================
--- src/config/database.js	(revision 5a6a457ca2bf625de84ec03d20f7757480337fde)
+++ src/config/database.js	(revision df0516a49bf6e9b4645509a751546735d0308164)
@@ -400,4 +400,7 @@
     CREATE INDEX IF NOT EXISTS idx_ap_delivery_due ON ap_delivery(next_at);
   `);
+  // Auto-boost a followed account's posts ("feature an artist"): their new
+  // top-level posts get re-Announced to our followers automatically.
+  ensureColumn('ap_following', 'auto_boost', 'INTEGER DEFAULT 0');
 }