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/lib/xast.js

@@ -1,102 +1,53 @@
-'use strict';
+import { is, selectAll, selectOne } from 'css-select';
+import { createAdapter } from './svgo/css-select-adapter.js';
 
 /**
- * @typedef {import('./types').XastNode} XastNode
- * @typedef {import('./types').XastChild} XastChild
- * @typedef {import('./types').XastParent} XastParent
- * @typedef {import('./types').Visitor} Visitor
+ * @param {import('./types.js').XastParent} relativeNode
+ * @param {Map<import('./types.js').XastNode, import('./types.js').XastParent>=} parents
+ * @returns {import('css-select').Options<import('./types.js').XastNode & { children?: any }, import('./types.js').XastElement>}
  */
+function createCssSelectOptions(relativeNode, parents) {
+  return {
+    xmlMode: true,
+    adapter: createAdapter(relativeNode, parents),
+  };
+}
 
-const { selectAll, selectOne, is } = require('css-select');
-const xastAdaptor = require('./svgo/css-select-adapter.js');
-
-const cssSelectOptions = {
-  xmlMode: true,
-  adapter: xastAdaptor,
+/**
+ * @param {import('./types.js').XastParent} node Element to query the children of.
+ * @param {string} selector CSS selector string.
+ * @param {Map<import('./types.js').XastNode, import('./types.js').XastParent>=} parents
+ * @returns {import('./types.js').XastChild[]} All matching elements.
+ */
+export const querySelectorAll = (node, selector, parents) => {
+  return selectAll(selector, node, createCssSelectOptions(node, parents));
 };
 
 /**
- * @type {(node: XastNode, selector: string) => Array<XastChild>}
+ * @param {import('./types.js').XastParent} node Element to query the children of.
+ * @param {string} selector CSS selector string.
+ * @param {Map<import('./types.js').XastNode, import('./types.js').XastParent>=} parents
+ * @returns {?import('./types.js').XastChild} First match, or null if there was no match.
  */
-const querySelectorAll = (node, selector) => {
-  return selectAll(selector, node, cssSelectOptions);
+export const querySelector = (node, selector, parents) => {
+  return selectOne(selector, node, createCssSelectOptions(node, parents));
 };
-exports.querySelectorAll = querySelectorAll;
 
 /**
- * @type {(node: XastNode, selector: string) => null | XastChild}
+ * @param {import('./types.js').XastElement} node
+ * @param {string} selector
+ * @param {Map<import('./types.js').XastNode, import('./types.js').XastParent>=} parents
+ * @returns {boolean}
  */
-const querySelector = (node, selector) => {
-  return selectOne(selector, node, cssSelectOptions);
+export const matches = (node, selector, parents) => {
+  return is(node, selector, createCssSelectOptions(node, parents));
 };
-exports.querySelector = querySelector;
 
 /**
- * @type {(node: XastChild, selector: string) => boolean}
+ * @param {import('./types.js').XastChild} node
+ * @param {import('./types.js').XastParent} parentNode
  */
-const matches = (node, selector) => {
-  return is(node, selector, cssSelectOptions);
-};
-exports.matches = matches;
-
-/**
- * @type {(node: XastChild, name: string) => null | XastChild}
- */
-const closestByName = (node, name) => {
-  let currentNode = node;
-  while (currentNode) {
-    if (currentNode.type === 'element' && currentNode.name === name) {
-      return currentNode;
-    }
-    // @ts-ignore parentNode is hidden from public usage
-    currentNode = currentNode.parentNode;
-  }
-  return null;
-};
-exports.closestByName = closestByName;
-
-const visitSkip = Symbol();
-exports.visitSkip = visitSkip;
-
-/**
- * @type {(node: XastNode, visitor: Visitor, parentNode?: any) => void}
- */
-const visit = (node, visitor, parentNode) => {
-  const callbacks = visitor[node.type];
-  if (callbacks && callbacks.enter) {
-    // @ts-ignore hard to infer
-    const symbol = callbacks.enter(node, parentNode);
-    if (symbol === visitSkip) {
-      return;
-    }
-  }
-  // visit root children
-  if (node.type === 'root') {
-    // copy children array to not loose cursor when children is spliced
-    for (const child of node.children) {
-      visit(child, visitor, node);
-    }
-  }
-  // visit element children if still attached to parent
-  if (node.type === 'element') {
-    if (parentNode.children.includes(node)) {
-      for (const child of node.children) {
-        visit(child, visitor, node);
-      }
-    }
-  }
-  if (callbacks && callbacks.exit) {
-    // @ts-ignore hard to infer
-    callbacks.exit(node, parentNode);
-  }
-};
-exports.visit = visit;
-
-/**
- * @type {(node: XastChild, parentNode: XastParent) => void}
- */
-const detachNodeFromParent = (node, parentNode) => {
+export const detachNodeFromParent = (node, parentNode) => {
   // avoid splice to not break for loops
   parentNode.children = parentNode.children.filter((child) => child !== node);
 };
-exports.detachNodeFromParent = detachNodeFromParent;