/add-cms-ui

Create content management UI for editing static JSON content files. Build content editor forms with validation for JSON structure. Implement file upload functionality for JSON updates. Add preview functionality to see changes before publishing. Track version history of content changes with timestamps and authors. Validate content against JSON schema before saving. Provide rollback capability to restore previous versions. Create rich text editor for markdown/HTML content fields. Add image management for content assets. Implement publishing workflow with draft/published states. Add content search and filtering. Create backup system for content files. Reference content-seo-agent for content structure. Test with various content types.