Support remaining pieces in completions and scoreboards

db/migrate/20251028131431_add_remaining_pieces_to_completion.rb

@@ -0,0 +1,5 @@
+class AddRemainingPiecesToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :remaining_pieces, :integer
+  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[8.0].define(version: 2025_07_14_115208) do
+ActiveRecord::Schema[8.0].define(version: 2025_10_28_131431) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -64,6 +64,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_07_14_115208) do
     t.string "display_time_from_start"
     t.string "display_relative_time"
     t.integer "message_id"
+    t.integer "remaining_pieces"
     t.index ["contest_id"], name: "index_completions_on_contest_id"
     t.index ["contestant_id"], name: "index_completions_on_contestant_id"
     t.index ["message_id"], name: "index_completions_on_message_id"