Release v1.0.0 - Stable API with modular architecture Major release with breaking changes: - cfgmatic-core: Shared types (Config, AsyncConfig, Error, Change) - cfgmatic-state: Terraform-like model (Plan, Apply) - cfgmatic-loaders: Multiple loading strategies (Static, Watch, Multi, AsyncMulti) - RuleBasedDiscovery: Advanced configuration file discovery - Comprehensive documentation and test coverage