Show offline contestants in dashboard

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_10_31_095604) do
+ActiveRecord::Schema[8.0].define(version: 2025_11_05_153647) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -134,7 +134,9 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_31_095604) do
     t.datetime "end_time"
     t.string "name", null: false
     t.boolean "completed"
+    t.integer "contestant_id"
     t.index ["contest_id"], name: "index_offlines_on_contest_id"
+    t.index ["contestant_id"], name: "index_offlines_on_contestant_id"
   end
 
   create_table "puzzles", force: :cascade do |t|
@@ -177,6 +179,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_31_095604) do
   add_foreign_key "contestants", "contests"
   add_foreign_key "contests", "users"
   add_foreign_key "messages", "contests"
+  add_foreign_key "offlines", "contestants"
   add_foreign_key "offlines", "contests"
   add_foreign_key "puzzles", "contests"
   add_foreign_key "sessions", "users"