Implement missing & remaining pieces propagation + cleaner forms

db/migrate/20251110100516_add_missing_pieces_to_completion.rb

@@ -0,0 +1,5 @@
+class AddMissingPiecesToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :missing_pieces, :integer
+  end
+end

db/migrate/20251110103247_add_completed_to_completion.rb

@@ -0,0 +1,5 @@
+class AddCompletedToCompletion < ActiveRecord::Migration[8.0]
+  def change
+    add_column :completions, :completed, :boolean
+  end
+end

db/migrate/20251110110151_add_submitted_to_offline.rb

@@ -0,0 +1,5 @@
+class AddSubmittedToOffline < ActiveRecord::Migration[8.0]
+  def change
+    add_column :offlines, :submitted, :boolean
+  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_11_08_082751) do
+ActiveRecord::Schema[8.0].define(version: 2025_11_10_110151) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -65,6 +65,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_08_082751) do
     t.string "display_relative_time"
     t.integer "message_id"
     t.integer "remaining_pieces"
+    t.integer "missing_pieces"
+    t.boolean "completed"
     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"
@@ -137,6 +139,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_08_082751) do
     t.integer "contestant_id"
     t.integer "missing_pieces"
     t.integer "remaining_pieces"
+    t.boolean "submitted"
     t.index ["contest_id"], name: "index_offlines_on_contest_id"
     t.index ["contestant_id"], name: "index_offlines_on_contestant_id"
   end