Worked on the coleam00/archon repository to enhance the extensibility and reliability of provider model discovery within a full stack TypeScript and Node.js environment. Developed a deferred resolution flow that allows extension-registered provider models to be dynamically discovered after session binding, addressing issues where models are unavailable during initial lookup. Updated the architecture to utilize ModelRegistry.create() and expanded support for custom provider models defined in configuration files. Improved the testing framework and documentation to validate the new extension workflow, while also refining error reporting and event observability. The work focused on robust API integration and resilient extension model management.