deprecate username + name cleanup

db/migrate/20251021202329_deprecate_username.rb

@@ -0,0 +1,5 @@
+class DeprecateUsername < ActiveRecord::Migration[8.0]
+  def change
+    rename_column :users, :username, :deprecated_name
+  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_10_18_181955) do
+ActiveRecord::Schema[8.0].define(version: 2025_10_21_202329) do
   create_schema "pganalyze"
 
   # These are extensions that must be enabled in order to support this database
@@ -543,7 +543,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_18_181955) do
     t.string "slack_uid"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.string "username"
+    t.string "deprecated_name"
     t.string "slack_avatar_url"
     t.boolean "uses_slack_status", default: false, null: false
     t.string "slack_scopes", default: [], array: true

db/seeds.rb

@@ -39,7 +39,7 @@ if Rails.env.development?
   end
 
   puts "Created test user:"
-  puts "  Username: #{test_user.name}"
+  puts "  Username: #{test_user.display_name}"
   puts "  Email: #{email.email}"
   puts "  API Key: #{api_key.token}"
   puts "  Sign-in Token: #{token.token}"