V3 version with backward comp

backend/internal/db/migrations/014_v3_cleanup.up.sql

@@ -0,0 +1,10 @@
+-- VaultDrop 014: Drop legacy V1 tables
+
+-- Tags now use resource_tags instead of file_tags
+DROP TABLE IF EXISTS file_tags;
+
+-- Thumbnails migrated to resource_variants
+DROP TABLE IF EXISTS thumbnails;
+
+-- Files migrated to resources
+DROP TABLE IF EXISTS files;