Fix code quality violations and exclude Manifest from checks

Document application modes (development/debug/production)
Add global file drop handler, order column normalization, SPA hash fix
Serve CDN assets via /_vendor/ URLs instead of merging into bundles
Add production minification with license preservation
Improve JSON formatting for debugging and production optimization
Add CDN asset caching with CSS URL inlining for production builds
Add three-mode system (development, debug, production)
Update Manifest CLAUDE.md to reflect helper class architecture
Refactor Manifest.php into helper classes for better organization
Pre-manifest-refactor checkpoint: Add app_mode documentation

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

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

node_modules/svgo/plugins/addClassesToSVGElement.js

@@ -1,11 +1,13 @@
-'use strict';
+/**
+ * @typedef AddClassesToSVGElementParams
+ * @property {string | ((node: import('../lib/types.js').XastElement, info: import('../lib/types.js').PluginInfo) => string)=} className
+ * @property {Array<string | ((node: import('../lib/types.js').XastElement, info: import('../lib/types.js').PluginInfo) => string)>=} classNames
+ */
 
-exports.name = 'addClassesToSVGElement';
-exports.type = 'visitor';
-exports.active = false;
-exports.description = 'adds classnames to an outer <svg> element';
+export const name = 'addClassesToSVGElement';
+export const description = 'adds classnames to an outer <svg> element';
 
-var ENOCLS = `Error in plugin "addClassesToSVGElement": absent parameters.
+const ENOCLS = `Error in plugin "addClassesToSVGElement": absent parameters.
 It should have a list of classes in "classNames" or one "className".
 Config example:
 
@@ -51,14 +53,11 @@ plugins: [
  *
  * @author April Arcus
  *
- * @type {import('../lib/types').Plugin<{
- *   className?: string,
- *   classNames?: Array<string>
- * }>}
+ * @type {import('../lib/types.js').Plugin<AddClassesToSVGElementParams>}
  */
-exports.fn = (root, params) => {
+export const fn = (root, params, info) => {
   if (
-    !(Array.isArray(params.classNames) && params.classNames.some(String)) &&
+    !(Array.isArray(params.classNames) && params.classNames.length !== 0) &&
     !params.className
   ) {
     console.error(ENOCLS);
@@ -72,11 +71,15 @@ exports.fn = (root, params) => {
           const classList = new Set(
             node.attributes.class == null
               ? null
-              : node.attributes.class.split(' ')
+              : node.attributes.class.split(' '),
           );
           for (const className of classNames) {
             if (className != null) {
-              classList.add(className);
+              const classToAdd =
+                typeof className === 'string'
+                  ? className
+                  : className(node, info);
+              classList.add(classToAdd);
             }
           }
           node.attributes.class = Array.from(classList).join(' ');