fix: move beamer backfill to new migration

db/migrate/20260426120000_replace_beamer_asset_fields_with_config.rb

@@ -14,12 +14,6 @@ class ReplaceBeamerAssetFieldsWithConfig < ActiveRecord::Migration[7.0]
       END
     SQL
 
-    execute <<~SQL.squish
-      UPDATE beamers
-      SET config = '{"match_filter":"state:in_progress"}'
-      WHERE name = 'default'
-    SQL
-
     change_column_default :beamers, :display_state, from: 'matches_all', to: 'during_game'
     remove_column :beamers, :qr_code_url, :string
     remove_column :beamers, :logo_url, :string

db/migrate/20260426121000_backfill_default_beamer_config.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class BackfillDefaultBeamerConfig < ActiveRecord::Migration[7.0]
+  def up
+    execute <<~SQL.squish
+      UPDATE beamers
+      SET config = '{"match_filter":"state:in_progress"}'
+      WHERE name = 'default'
+    SQL
+  end
+
+  def down
+    execute <<~SQL.squish
+      UPDATE beamers
+      SET config = '{}'
+      WHERE name = 'default'
+    SQL
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2026_04_26_120000) do
+ActiveRecord::Schema[7.0].define(version: 2026_04_26_121000) do
   create_table "beamers", force: :cascade do |t|
     t.string "name", null: false
     t.string "display_state", default: "during_game", null: false