Events: initial implementation

db/migrate/20260725121740_create_events.rb

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+class CreateEvents < ActiveRecord::Migration[8.0]
+  def change
+    create_table :events do |t|
+      t.timestamps
+    end
+  end
+end

db/migrate/20260725122117_add_name_to_event.rb

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+class AddNameToEvent < ActiveRecord::Migration[8.0]
+  def change
+    add_column :events, :name, :string
+  end
+end

db/migrate/20260725122358_add_event_to_contest.rb

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+class AddEventToContest < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :contests, :event, foreign_key: true
+  end
+end

db/migrate/20260725122559_add_user_to_event.rb

@@ -0,0 +1,5 @@
+class AddUserToEvent < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :events, :user, null: false, foreign_key: true
+  end
+end

db/migrate/20260726112839_add_shared_scoreboard_to_event.rb

@@ -0,0 +1,5 @@
+class AddSharedScoreboardToEvent < ActiveRecord::Migration[8.0]
+  def change
+    add_column :events, :shared_scoreboard, :boolean
+  end
+end

db/migrate/20260726114604_add_lang_to_event.rb

@@ -0,0 +1,5 @@
+class AddLangToEvent < ActiveRecord::Migration[8.0]
+  def change
+    add_column :events, :lang, :string, default: 'en'
+  end
+end