Extract Panel, Row, ViewToggle, and value renderers into a shared module
so the run settings page can adopt the same paneled layout and Settings/
JSON toggle as the server settings page. The run page groups its frozen
snapshot into Workflow, Sandbox, Git, and Artifacts panels and falls
back to raw JSON for everything else.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
