* style: update chat layout and spacing for improved UI consistency
- Adjusted margin and padding for .chat-thread and .content--chat to enhance layout.
- Consolidated CSS selectors for better readability and maintainability.
- Introduced new test for log parsing functionality to ensure accurate message extraction.
* UI: polish agent skills, chat images, and sidebar status
* test: stabilize vitest helper export types
* UI: address review feedback on agents refresh and chat styles
* test: update outbound gateway client fixture values
* test: narrow shared ip fixtures to IPv4
