Enabling Pin-Based Commenting on Live HTML...

Introduction & Problem Statement Imagine trying to annotate a live, interactive webpage with the precision of Figma’s pin-based comments. Now, imagine doing this within an iframe—a nested HTML document isolated by its own DOM and coordinate system. This is the core technical challenge Washi solves. While tools like Figma excel at static design files, replicating their annotation precision on live, dynamic HTML content within iframes introduces a cascade of complexities: DOM mutations, cross-orig