Allow interfaces to trigger item saves

Summary Add functionality to automatically reset form dirty state when auto-save operations (like onBlur PATCH requests) complete successfully. Cuurently • Save buttons remain enabled even after successful auto-saves • Navigation triggers unnecessary "unsaved changes" dialogs • Users are confused about whether their changes have been saved • Form state becomes inconsistent with actual data state Basic Example _No response_ Motivation • Real-time editing interfaces - Rich text editors, code editors, or other complex inputs that benefit from auto-save • Form optimization - Reducing user friction by eliminating unnecessary save prompts • Mobile-friendly forms - Better experience on touch devices where blur events are common • Collaborative editing - Supporting real-time collaboration features without confusing form states Detailed Design Implement automatic form dirty state management that: 1. Detects succe…