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/removeOffCanvasPaths.js

@@ -1,29 +1,22 @@
-'use strict';
+import { detachNodeFromParent } from '../lib/xast.js';
+import { visitSkip } from '../lib/util/visit.js';
+import { parsePathData } from '../lib/path.js';
+import { intersects } from './_path.js';
+
+export const name = 'removeOffCanvasPaths';
+export const description =
+  'removes elements that are drawn outside of the viewBox (disabled by default)';
 
 /**
- * @typedef {import('../lib/types').PathDataItem} PathDataItem
- */
-
-const { visitSkip, detachNodeFromParent } = require('../lib/xast.js');
-const { parsePathData } = require('../lib/path.js');
-const { intersects } = require('./_path.js');
-
-exports.type = 'visitor';
-exports.name = 'removeOffCanvasPaths';
-exports.active = false;
-exports.description =
-  'removes elements that are drawn outside of the viewbox (disabled by default)';
-
-/**
- * Remove elements that are drawn outside of the viewbox.
+ * Remove elements that are drawn outside of the viewBox.
  *
  * @author JoshyPHP
  *
- * @type {import('../lib/types').Plugin<void>}
+ * @type {import('../lib/types.js').Plugin}
  */
-exports.fn = () => {
+export const fn = () => {
   /**
-   * @type {null | {
+   * @type {?{
    *   top: number,
    *   right: number,
    *   bottom: number,
@@ -39,7 +32,7 @@ exports.fn = () => {
       enter: (node, parentNode) => {
         if (node.name === 'svg' && parentNode.type === 'root') {
           let viewBox = '';
-          // find viewbox
+          // find viewBox
           if (node.attributes.viewBox != null) {
             // remove commas and plus signs, normalize and trim whitespace
             viewBox = node.attributes.viewBox;
@@ -50,7 +43,7 @@ exports.fn = () => {
             viewBox = `0 0 ${node.attributes.width} ${node.attributes.height}`;
           }
 
-          // parse viewbox
+          // parse viewBox
           // remove commas and plus signs, normalize and trim whitespace
           viewBox = viewBox
             .replace(/[,+]|px/g, ' ')
@@ -59,7 +52,7 @@ exports.fn = () => {
           // ensure that the dimensions are 4 values separated by space
           const m =
             /^(-?\d*\.?\d+) (-?\d*\.?\d+) (\d*\.?\d+) (\d*\.?\d+)$/.exec(
-              viewBox
+              viewBox,
             );
           if (m == null) {
             return;
@@ -92,7 +85,7 @@ exports.fn = () => {
         ) {
           const pathData = parsePathData(node.attributes.d);
 
-          // consider that a M command within the viewBox is visible
+          // consider that an M command within the viewBox is visible
           let visible = false;
           for (const pathDataItem of pathData) {
             if (pathDataItem.command === 'M') {
@@ -117,9 +110,7 @@ exports.fn = () => {
           }
 
           const { left, top, width, height } = viewBoxData;
-          /**
-           * @type {Array<PathDataItem>}
-           */
+          /** @type {ReadonlyArray<import('../lib/types.js').PathDataItem>} */
           const viewBoxPathData = [
             { command: 'M', args: [left, top] },
             { command: 'h', args: [width] },