[brunto]

This pull request upgrades the application from Rails 8.0 to Rails 8.1 and introduces several related configuration and infrastructure improvements. The most significant changes include updating the Rails version, adding new Rails 8.1 framework defaults, updating CI and security auditing configurations, and making minor improvements to logging and documentation.

Rails Upgrade and Configuration Updates:

• Upgraded Rails from version 8.0.5 to 8.1.4 in the Gemfile. (Gemfile)
• Removed the old Rails 8.0 framework defaults initializer and added a new Rails 8.1 framework defaults initializer, introducing new configuration options and comments for Rails 8.1 features. (config/initializers/new_framework_defaults_8_0.rb, config/initializers/new_framework_defaults_8_1.rb) [1] [2]
• Updated db/schema.rb to use ActiveRecord::Schema[8.1] and reflect the latest migration version. (db/schema.rb)

Continuous Integration and Security:

• Added a config/ci.rb script to define CI steps for setup, style checks, security auditing (bundler-audit and Brakeman), and tests. (config/ci.rb)
• Introduced a config/bundler-audit.yml file to configure gem security auditing and ignore irrelevant CVEs. (config/bundler-audit.yml)

Database and Active Storage:

• Added a migration for active_storage_variant_records to support Active Storage variants, and introduced a db/cache_schema.rb for schema caching. (db/migrate/20261106121930_create_active_storage_variant_records.active_storage.rb, db/cache_schema.rb) [1] [2]

Logging and Documentation Improvements:

• Enabled verbose redirect logs in development and made minor improvements to logging comments and mailer instructions in production config. (config/environments/development.rb, config/environments/production.rb) [1] [2] [3]
• Updated config/puma.rb comments to clarify worker auto-scaling and improved plugin documentation. (config/puma.rb) [1] [2]