Re-organize namespaces; Do not autoload; Fix typo

[tangrufus]

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[Copilot]

Pull Request Overview

This PR reorganizes namespaces, removes autoload usage for helper modules, and fixes a typo in console output abbreviation.

• Re-organizes test and library namespaces under Rails::AppEnv
• Replaces autoload directives with explicit require_relative calls
• Updates test descriptions to correctly reflect production environment abbreviations

Reviewed Changes

Copilot reviewed 16 out of 16 changed files in this pull request and generated no comments.

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File	Description
test/units/app_env/extensions/rails/app_env_aware_test.rb	Adds tests for app_env resolution with both APP_ENV and Rails.env
test/units/app_env/extensions/application/app_configurable_test.rb	Adds tests for delegated configuration retrieval
test/units/app_env/environment_inquirer_test.rb	Updates test naming for instance methods within a module wrapper
test/units/app_env/credentials_test.rb	Updates credentials tests to reference Credentials consistently
test/units/app_env/console_test.rb	Updates console tests and fixes typo for production abbreviation
lib/rails/rails_ext/credentials_command.rb	Removes autoloaded credentials command extension
lib/rails/app_env/version.rb	Bumps version from 0.2.0 to 0.3.0
lib/rails/app_env/railtie.rb	Updates railtie to extend new modules
lib/rails/app_env/rails_helpers.rb lib/rails/app_env/application_helpers.rb	Removes autoload helper modules
lib/rails/app_env/extensions/rails/app_env_aware.rb lib/rails/app_env/extensions/credentials_command/original_aware.rb lib/rails/app_env/extensions/application/app_configurable.rb	Introduces extension-based implementations for app_env and app configuration
lib/rails/app_env/credentials.rb	Adds guard clause in monkey_patch and updates references accordingly
lib/rails/app_env.rb	Removes autoload directives and explicitly requires dependent files

Comments suppressed due to low confidence (4)

lib/rails/app_env.rb:16

• [nitpick] The removal of autoload for ApplicationHelpers is clear; ensure the module documentation and developer guides are updated to reflect these changes.

autoload :ApplicationHelpers, "rails/app_env/application_helpers"

lib/rails/app_env/credentials.rb:41

• [nitpick] Consider adding an inline comment explaining the guard clause to clarify its purpose and help future maintainers understand why extension is skipped when CredentialsCommand is not defined.

return unless defined?(Rails::Command::CredentialsCommand)

test/units/app_env/environment_inquirer_test.rb:3

• [nitpick] The namespace change to use a module wrapper for EnvironmentInquirer improves clarity; please verify that similar naming conventions are consistently applied across all test files.

module Rails::AppEnv

test/units/app_env/console_test.rb:29

• Ensure that the abbreviation 'prod' accurately reflects the intended behavior across both tests and production code; update the implementation if necessary for consistency.

test "#colorized_env shorten Rails.app_env to prod when Rails.app_env is production" do