ash_introspection

# Changelog

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).

## [0.2.0] - 2025-12-21

### Added

- Action introspection module (`AshIntrospection.Codegen.ActionIntrospection`)
  - Pagination support detection (offset/keyset)
  - Input type analysis (required/optional/none)
  - Return type analysis for generic actions
- Validation error types module (`AshIntrospection.Codegen.ValidationErrorTypes`)
  - Error type classification for code generation
  - Action input error classification
- Comprehensive documentation in README

### Changed

- Enhanced type discovery with better cycle detection
- Improved field selector validation

## [0.1.0] - 2025-11-25

### Added

- Initial release
- Core type system introspection (`AshIntrospection.TypeSystem.Introspection`)
  - Type classification and NewType unwrapping
  - Union type extraction
  - Field name callback detection
- Resource fields lookup (`AshIntrospection.TypeSystem.ResourceFields`)
- RPC pipeline for action execution (`AshIntrospection.Rpc.Pipeline`)
  - 4-stage execution: parse, execute, process, format
- Request structure (`AshIntrospection.Rpc.Request`)
- Value formatter for bidirectional type conversion
- Result processor with extraction templates
- Field processing modules
  - Atomizer for field name conversion
  - Field selector for recursive selection
  - Validation for duplicate detection
- Error handling modules
  - Error protocol for exception extraction
  - Error builder for message generation
  - Central error processing pipeline
- Type discovery for code generation (`AshIntrospection.Codegen.TypeDiscovery`)
- Field formatter utilities (camelCase, PascalCase, snake_case)