- Changed `userToken` property to `getUserToken` function in KefuWidgetHostConfig for dynamic token fetching.
- Introduced KefuWidgetRuntimeConfig to manage runtime-specific configurations.
- Updated readKefuWidgetConfig and setKefuWidgetConfig functions to accommodate new configuration structure.
- Enhanced cs-ai-agent-sdk.js to handle user token resolution and frame configuration.
- Added tests for dynamic user token retrieval in cs-ai-agent-sdk.test.mjs.
- Removed deprecated cs-agent-widget.js file as part of the refactor.