[SPIKE] - v2 attempt 2

.rspec

@@ -2,3 +2,4 @@
 --color
 --format progress
 --order random
+--require spec_helper

CHANGELOG.md

@@ -5,298 +5,3 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [UNRELEASED]
-
-## [1.21.0] - 2026-04-09
-
-### Added
-- Add `strict` option to `Result#skip!` and `Result#fail!` to bypass breakpoint halting in `execute!`
-- Add `dump_context` global/local setting to include `context` in `Task#to_h`
-- Add `Result#success!` for annotating successful results
-- Add `started_at` and `ended_at` to runtime middleware payload
-- Add `keys`, `values`, `each`, `each_key`, `each_value` methods to context
-- Add `subtasks` to returns tasks defined in a workflow
-
-### Changed
-- Move `faults.unspecified` locale key to `reasons.unspecified`
-
-## [1.20.0] - 2026-03-12
-
-### Added
-- Add `CallbackRegistry#empty?` for fast callback presence checking
-- Add `Parallelizer` class for bounded thread pool execution
-- Add `Configuration#default_locale` setting (defaults to `"en"`)
-- Add `Task.type` to return task mechanics
-- Add `Utils::Normalize` module for exception and status normalization
-- Add `Utils::Wrap` module for array value normalization
-- Add `Retry` class for retry logic, state tracking, and jitter computation
-- Add `Settings` object with method-based access
-- Add `freeze_results` configuration option to replace `SKIP_CMDX_FREEZING` env var
-- Add `any?`, `clear`, and `size` delegators to `Errors`
-- Add `Context#respond_to_missing?` for setter methods
-- Add `Attribute#clear_task_tree!` to prevent stale task instance retention
-- Add thread-safe `Chain#push` and `Chain#index` via `Mutex`
-- Add identity-aware `Executor#clear_chain!` for parallel execution safety
-- Add `Executor#verify_middleware_yield!` to detect non-yielding middlewares
-- Add copy-on-write semantics to `MiddlewareRegistry`, `CallbackRegistry`, `CoercionRegistry`, and `ValidatorRegistry`
-- Add `Attribute#allocation_name` for task-free reader name resolution
-- Add `AttributeRegistry#define_readers_on!` and `#undefine_readers_on!` for eager reader definition
-
-### Changed
-- Short-circuit `Executor#post_execution!` when callback registry is empty
-- Optimize `Context#method_missing` to avoid `String` allocation on getter path
-- Replace `parallel` gem with native `Parallelizer` thread pool
-- Rename `in_threads` option to `pool_size`
-- Move `TimeoutError` to `exception.rb` for Zeitwerk autoloading
-- Update Rails initializer install script
-- Dup attributes in `AttributeRegistry#define_and_verify` for thread-safe concurrent execution
-- Default `retry_on` to `[StandardError, CMDx::TimeoutError]`
-- Replace hash-based `settings[:]` with method-based `settings.` access
-- Lazy-load locale translations instead of eager-loading
-- Use compile-time method definition for `Identifier#generate` and `Chain`/`Correlate` `thread_or_fiber`
-- Use `define_method` on task class for attribute readers
-- Tighten `Deprecator` regex to exact word boundaries
-- Use `public_send` instead of `send` in `Result` for state/status checks
-
-### Fixed
-- Fix `Attribute#source` and `#method_name` memoization without a task
-- Fix `execute!` to call `executed!` before `post_execution!` on non-halt path
-- Clear `task.errors` before each retry attempt
-- Fix `Pipeline#execute_tasks_in_parallel` to snapshot context per thread
-- Reject `in_processes` and `in_reactors` options in parallel tasks
-
-### Removed
-- Remove `SKIP_CMDX_FREEZING` env var in favor of `CMDx.configuration.freeze_results`
-
-## [1.19.0] - 2026-03-09
-
-### Changed
-- Fall back attribute `source` to `:context` when no task is given
-- Improve falsy attribute derived hash value lookup
-- Freeze chain results
-- Use `to_date`, `to_time`, `to_datetime` for date/time coercion checks
-
-### Fixed
-- Fix missing fault cause `NoMethodError`
-- Fix validator `allow_nil` inverted logic
-- Fix array coercion JSON parse error to return `CoercionError`
-- Fix boolean coercions to return `false` for `nil` and `""`
-
-## [1.18.0] - 2026-03-09
-
-### Changed
-- Use `Fiber.storage` instead of `Thread.current` for `Chain` and `Correlate` storage, with fallback to `Thread.current` for Ruby < 3.2, making them thread and fiber safe
-- Clone shared logger in `Task#logger` when `log_level` or `log_formatter` is customized to prevent mutation of the shared instance
-- Derive attribute values from source objects that respond to the attribute name (via `send`) as fallback when the source is not callable
-
-## [1.17.0] - 2026-02-23
-
-### Added
-- Add `returns` macro for context output validation after task execution
-- Add `remove_return`/`remove_returns` macro to remove declared returns (supports inheritance)
-- Add array coercion for JSON `"null"` string as empty array
-- Add hash coercion for JSON `"null"` string as empty hash
-- Add attribute sourcing to support both string and symbol keys when sourcing/deriving from Hash
-
-### Changed
-- Include the source method in the required attribute error message
-
-### Fixed
-- Fix coercion to not fail on `nil` for optional attributes
-
-## [1.16.0] - 2026-02-06
-
-### Added
-- Add `CMDx::Exception` alias for `CMDx::Error`
-
-### Changed
-- Rename `exceptions.rb` file to `exception.rb` (zeitwerk compatibility)
-- Rename `faults.rb` file to `fault.rb` (zeitwerk compatibility)
-
-## [1.15.0] - 2026-01-21
-
-### Added
-- Add attribute `Absence` validator
-- Add attribute `:description` option
-
-## [1.14.0] - 2026-01-09
-
-### Added
-- Add Ruby 4.0 compatibility
-- Add `Context#clear!` method to remove all context data
-- Add `Task.attribute_schema` class method for attribute introspection
-- Add `#to_h` method for attribute serialization
-
-### Changed
-- **BREAKING**: Switch license from MIT to LGPLv3
-- Replace `instance_eval` with `define_singleton_method` for attribute method definitions
-- Move retry count from metadata to result object
-- Exclude non-essential files from gem package
-
-### Removed
-- Remove public `Result#rolled_back!` method to hide internal implementation
-
-## [1.13.0] - 2025-12-23
-
-### Added
-- Add rollback tracking and logging for task execution
-- Add `dry_run` execution option with inheritance support for nested tasks
-- Add `Context#delete` alias for `Context#delete!`
-- Add `Context#merge` alias for `Context#merge!`
-
-## [1.12.0] - 2025-12-18
-
-### Changed
-- Optimize logging ancestor chain lookup performance
-- Use `String#chop` instead of range indexing for improved string performance
-- Make boolean coercion `TRUTHY` and `FALSEY` patterns case-insensitive
-- Enhance YARD documentation using `yard-lint` validation
-
-### Removed
-- Remove `handle_*` callback methods in favor of `on(*states_or_statuses)` for flexible state handling
-
-## [1.11.0] - 2025-11-08
-
-### Changed
-- Add conditional requirement support for attribute validation
-- Update specs to use new `cmdx-rspec` matcher naming conventions
-
-## [1.10.1] - 2025-11-06
-
-### Added
-- Add YARDoc documentation to documentation site
-
-### Removed
-- Remove unused `Executor#repeator` method
-
-## [1.10.0] - 2025-10-26
-
-### Added
-- Add `rollback` capability to undo operations based on status
-- Add retry mechanism documentation
-
-### Changed
-- Extend `retry_jitter` option to accept symbols, procs, and callable objects
-
-## [1.9.1] - 2025-10-22
-
-### Added
-- Add RBS inline type signatures
-- Add YARDocs for `attr_reader` and `attr_accessor` methods
-
-## [1.9.0] - 2025-10-21
-
-### Added
-- Add `transform` option for attribute value transformations
-- Add optional failure backtrace output
-- Add exception handling for non-bang execution methods
-- Add automatic retry mechanism for execution durability
-- Add `to_h` hash coercion support
-- Add MkDocs configuration with Material theme
-
-### Changed
-- Improve task settings initialization performance
-- Improve exception error message clarity
-- Improve parent settings inheritance behavior
-- Clean halt backtrace frames for better readability
-
-### Removed
-- Remove `Freezer` module; consolidate logic into `Executor#freeze_execution!`
-- Remove `task` parameter from callback method signatures
-- Remove `task` and `workflow` arguments from conditional checks
-- Remove chain persistence after execution in specs
-
-## [1.8.0] - 2025-09-22
-
-### Changed
-- Generalize locale values for `invalid` and `unspecified` faults
-- Nest attribute error messages under `error` key in metadata
-- Reorder Logstash formatter keys for consistency
-- Improve error messaging for duplicate item definitions
-- Return empty hash `{}` for `nil` hash coercion
-
-## [1.7.5] - 2025-09-10
-
-### Added
-- Add `Context#fetch_or_store` method for atomic get-or-set operations
-- Add `Result#ctx` alias for `Result#context`
-- Add `Result#ok?` alias for `Result#good?`
-- Add result deconstruction support for pattern matching
-
-## [1.7.4] - 2025-09-03
-
-### Added
-- Add errors delegation from result object
-- Add `Errors#full_messages` and `Errors#to_hash` methods
-
-## [1.7.3] - 2025-09-03
-
-### Changed
-- Use generic validation reason values
-- Move validation full message to `:full_message` key in metadata
-
-## [1.7.2] - 2025-09-03
-
-### Changed
-- Set correlation ID before proceeding to subsequent execution steps
-
-## [1.7.1] - 2025-08-26
-
-### Added
-- Add block yielding support to `execute` and `execute!` methods
-
-## [1.7.0] - 2025-08-25
-
-### Added
-- Add workflow generator
-
-### Changed
-- Integrate `cmdx-parallel` functionality into core
-- Integrate `cmdx-i18n` functionality into core
-
-## [1.6.2] - 2025-08-24
-
-### Changed
-- Prefix railtie I18n with `::` for `CMDx::I18n` compatibility
-- Switch to `cmdx-rspec` for matcher support
-
-## [1.6.1] - 2025-08-23
-
-### Changed
-- Log task results before freezing execution state
-- Rename `execute_tasks_sequentially` to `execute_tasks_in_sequence`
-
-## [1.6.0] - 2025-08-22
-
-### Added
-- Add workflow task `:breakpoints` support
-
-### Changed
-- Rename `Worker` class to `Executor`
-- Extract workflow execution logic into `Pipeline` class
-
-## [1.5.2] - 2025-08-22
-
-### Changed
-- Rename workflow `execution_groups` attribute to `pipeline`
-
-## [1.5.1] - 2025-08-21
-
-### Changed
-- Prefix locale I18n with `::` for `CMDx::I18n` compatibility
-- Add safe navigation to length and numeric validators
-- Fix railtie file path to reference correct directory
-
-## [1.5.0] - 2025-08-21
-
-### Changed
-- **BREAKING**: Complete architecture redesign for improved clarity, transparency, and performance
-
-## [1.1.2] - 2025-07-20
-
-### Changed
-- See git tags for changes between versions 0.1.0 and 1.1.2
-
-## [0.1.0] - 2025-03-07
-
-### Added
-- Initial release

Gemfile.lock

@@ -1,10 +1,9 @@
 PATH
   remote: .
   specs:
-    cmdx (1.21.0)
+    cmdx (2.0.0)
       bigdecimal
       logger
-      zeitwerk
 
 GEM
   remote: https://rubygems.org/

cmdx.gemspec

@@ -56,7 +56,6 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "bigdecimal"
   spec.add_dependency "logger"
-  spec.add_dependency "zeitwerk"
 
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "cmdx-rspec"