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/exit-x/.jshintrc

@@ -0,0 +1,14 @@
+{
+  "curly": true,
+  "eqeqeq": true,
+  "immed": true,
+  "latedef": "nofunc",
+  "newcap": true,
+  "noarg": true,
+  "sub": true,
+  "undef": true,
+  "unused": true,
+  "boss": true,
+  "eqnull": true,
+  "node": true
+}