chore: update project state and prepare for image support development

- Add comprehensive image test document with various image types
- Update project structure with development artifacts
- Prepare foundation for image support enhancement phase
- Include test files for validating image editing workflows

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/yargs/browser.mjs

@@ -0,0 +1,7 @@
+// Bootstrap yargs for browser:
+import browserPlatformShim from './lib/platform-shims/browser.mjs';
+import {YargsFactory} from './build/lib/yargs-factory.js';
+
+const Yargs = YargsFactory(browserPlatformShim);
+
+export default Yargs;