Index: src/config/database.js
===================================================================
--- src/config/database.js	(revision 2e247e4c529b09d55619100d5bd4e50de5a95e54)
+++ src/config/database.js	(revision 91094a44a78eaba7694534a039a5d0843f451e10)
@@ -87,4 +87,5 @@
   ensureColumn('posts', 'view_count', 'INTEGER DEFAULT 0');         // weergaven per post
   ensureColumn('audio_tracks', 'play_count', 'INTEGER DEFAULT 0');  // plays per track
+  ensureColumn('audio_tracks', 'downloadable', 'INTEGER DEFAULT 0'); // download-voor-email (premium #2)
 
   // Playlists (v9 feature) — first-class entity. CREATE IF NOT EXISTS is