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/resolve-cwd/index.js

@@ -0,0 +1,5 @@
+'use strict';
+const resolveFrom = require('resolve-from');
+
+module.exports = moduleId => resolveFrom(process.cwd(), moduleId);
+module.exports.silent = moduleId => resolveFrom.silent(process.cwd(), moduleId);