Implement projected time

db/migrate/20251114092752_add_projected_time_to_completion.rb

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

db/migrate/20251114093213_add_completion_to_offline.rb

@@ -0,0 +1,5 @@
+class AddCompletionToOffline < ActiveRecord::Migration[8.0]
+  def change
+    add_reference :offlines, :completion, foreign_key: true
+  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_14_085123) do
+ActiveRecord::Schema[8.0].define(version: 2025_11_14_093213) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -67,6 +67,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_14_085123) do
     t.integer "remaining_pieces"
     t.integer "missing_pieces"
     t.boolean "completed"
+    t.integer "projected_time"
     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"
@@ -81,6 +82,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_14_085123) do
     t.datetime "updated_at", null: false
     t.string "display_time"
     t.integer "time_seconds"
+    t.string "projected_time"
     t.index ["contest_id"], name: "index_contestants_on_contest_id"
   end
 
@@ -141,6 +143,8 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_14_085123) do
     t.integer "missing_pieces"
     t.integer "remaining_pieces"
     t.boolean "submitted"
+    t.integer "completion_id"
+    t.index ["completion_id"], name: "index_offlines_on_completion_id"
     t.index ["contest_id"], name: "index_offlines_on_contest_id"
     t.index ["contestant_id"], name: "index_offlines_on_contestant_id"
   end
@@ -185,6 +189,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_11_14_085123) do
   add_foreign_key "contestants", "contests"
   add_foreign_key "contests", "users"
   add_foreign_key "messages", "contests"
+  add_foreign_key "offlines", "completions"
   add_foreign_key "offlines", "contestants"
   add_foreign_key "offlines", "contests"
   add_foreign_key "puzzles", "contests"