
Raphaël Sosin developed robust DrawIO integration and round-trip diagram workflows for the likec4/likec4 repository, focusing on multi-diagram support and seamless import/export capabilities. He engineered bidirectional mapping between DrawIO and the internal model, implemented CLI export features, and enhanced end-to-end testing using TypeScript and Playwright. His work included cross-platform CI/CD stabilization, Windows compatibility, and comprehensive documentation updates. In March, he extended DrawIO shape inference to improve round-trip fidelity, ensuring accurate shape recognition and export alignment. Throughout, Raphaël emphasized clean code, type safety, and maintainable architecture, delivering features that reduced manual rework and improved developer productivity.
March 2026 (2026-03) monthly summary for likec4/likec4: Key feature delivered: DrawIO Shape Inference Enhancements for Round-Trip Fidelity. Extended inference to recognize multiple shapes (person, actor, umlactor) and emit correct style in the exported .c4. Re-imported actor cells now emit explicit { shape person } in the .c4, improving round-trip fidelity and interoperability with DrawIO. Added CI-friendly fix to inferKind to recognize shape=actor, eliminating misclassification and CI failures, and updated documentation/CHANGELOG accordingly. The feature aligns with upstream requirements and reduces manual rework for users editing C4 models.
March 2026 (2026-03) monthly summary for likec4/likec4: Key feature delivered: DrawIO Shape Inference Enhancements for Round-Trip Fidelity. Extended inference to recognize multiple shapes (person, actor, umlactor) and emit correct style in the exported .c4. Re-imported actor cells now emit explicit { shape person } in the .c4, improving round-trip fidelity and interoperability with DrawIO. Added CI-friendly fix to inferKind to recognize shape=actor, eliminating misclassification and CI failures, and updated documentation/CHANGELOG accordingly. The feature aligns with upstream requirements and reduces manual rework for users editing C4 models.
February 2026 focused on delivering robust DrawIO integration and playground capabilities, expanding multi-diagram support, and hardening the CI/e2E testing regime to drive business value and developer productivity. Highlights include end-to-end bidirectional DrawIO support in the Playground, a comprehensive round-trip workflow with a CONVERSION-MAPPING document and multi-diagram handling, and CLI export capabilities with round-trip options. We also stabilized cross-platform builds, Windows compatibility, and test reliability to reduce release risk.
February 2026 focused on delivering robust DrawIO integration and playground capabilities, expanding multi-diagram support, and hardening the CI/e2E testing regime to drive business value and developer productivity. Highlights include end-to-end bidirectional DrawIO support in the Playground, a comprehensive round-trip workflow with a CONVERSION-MAPPING document and multi-diagram handling, and CLI export capabilities with round-trip options. We also stabilized cross-platform builds, Windows compatibility, and test reliability to reduce release risk.

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