refactor: Cleanup git state - commit all staged changes

Major refactoring cleanup:
- Add new controller architecture (class-controller-*.php)
- Add new settings-v2 UI (views/settings-v2/)
- Add new CSS architecture (agentic-sidebar.css, tokens)
- Add esbuild build pipeline (scripts/build.js, package.json)
- Add composer dependencies (vendor/)
- Add frontend src directory (assets/js/src/index.jsx)
- Add documentation files
- Remove old/obsolete files (class-settings.php, old CSS)

This commits all pending changes from previous refactoring efforts.

vendor/phpdocumentor/guides/resources/template/html/structure/document.html.twig

@@ -0,0 +1,14 @@
+{% extends "structure/layout.html.twig" %}
+
+{% block head %}
+    {%- for headerNode in node.headerNodes -%}
+        {{ renderNode(headerNode) }}
+    {%- endfor -%}
+    {{ parent() }}
+{% endblock %}
+
+{% block body %}
+    {% for child in node.children -%}
+        {{ renderNode(child) }}
+    {%~ endfor -%}
+{% endblock %}

vendor/phpdocumentor/guides/resources/template/html/structure/footer.html.twig

@@ -0,0 +1,45 @@
+<footer>
+    {#{% if (theme_prev_next_buttons_location == 'bottom' or theme_prev_next_buttons_location == 'both') and (next or prev) %}#}
+    {#<div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">#}
+    {#{% if next %}#}
+    {#<a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}" accesskey="n" rel="next">{{ _('Next') }} <span class="fa fa-arrow-circle-right"></span></a>#}
+    {#{% endif %}#}
+    {#{% if prev %}#}
+    {#<a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> {{ _('Previous') }}</a>#}
+    {#{% endif %}#}
+    {#</div>#}
+    {#{% endif %}#}
+
+    <hr/>
+
+    <div role="contentinfo">
+        <p>
+            {#{%- if show_copyright %}#}
+            {#{%- if hasdoc('copyright') %}#}
+            {#{% trans path=pathto('copyright'), copyright=copyright|e %}&copy; <a href="{{ path }}">Copyright</a> {{ copyright }}.{% endtrans %}#}
+            {#{%- else %}#}
+            {#{% trans copyright=copyright|e %}&copy; Copyright {{ copyright }}.{% endtrans %}#}
+            {#{%- endif %}#}
+            {#{%- endif %}#}
+
+            {#{%- if build_id and build_url %}#}
+            {#{% trans build_url=build_url, build_id=build_id %}#}
+            {#<span class="build">#}
+            {#Build#}
+            {#<a href="{{ build_url }}">{{ build_id }}</a>.#}
+            {#</span>#}
+            {#{% endtrans %}#}
+            {#{%- elif commit %}#}
+            {#{% trans commit=commit %}#}
+            {#<span class="commit">#}
+            {#Revision <code>{{ commit }}</code>.#}
+            {#</span>#}
+            {#{% endtrans %}#}
+            {#{%- elif last_updated %}#}
+            {#{% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}#}
+            {#{%- endif %}#}
+
+        </p>
+    </div>
+</footer>
+

vendor/phpdocumentor/guides/resources/template/html/structure/header-title.html.twig

@@ -0,0 +1 @@
+<h{{ node.level }}{% if node.classes %} class="{{ node.classesString }}"{% endif %}>{{ renderNode(node.value) }}</h{{ node.level }}>

vendor/phpdocumentor/guides/resources/template/html/structure/header/author.html.twig

@@ -0,0 +1 @@
+<meta name="author" content="{{ node.value }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/blank.html.twig

@@ -0,0 +1 @@
+

vendor/phpdocumentor/guides/resources/template/html/structure/header/copyright.html.twig

@@ -0,0 +1 @@
+<meta name="copyright" content="{{ node.value }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/date.html.twig

@@ -0,0 +1 @@
+<meta name="date" content="{{ node.value }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/favicon.html.twig

@@ -0,0 +1 @@
+<link rel="icon" type="image/x-icon" href="{{ url }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/javascript.html.twig

@@ -0,0 +1 @@
+<script type="text/javascript" src="{{ js }}"></script>

vendor/phpdocumentor/guides/resources/template/html/structure/header/meta.html.twig

@@ -0,0 +1 @@
+<meta name="{{ node.key }}" content="{{ node.value }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/no-search.html.twig

@@ -0,0 +1 @@
+<meta name="robots" content="noindex">

vendor/phpdocumentor/guides/resources/template/html/structure/header/stylesheet-link.html.twig

@@ -0,0 +1 @@
+<link rel="stylesheet" type="text/css" href="{{ css }}" />

vendor/phpdocumentor/guides/resources/template/html/structure/header/topic.html.twig

@@ -0,0 +1,3 @@
+{% if node.title == 'abstract' %}
+    <meta name="description" content="{{ node.value }}" />
+{% endif %}

vendor/phpdocumentor/guides/resources/template/html/structure/layout.html.twig

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <title>{{ title }}
+        {%- if title!=null and env.projectNode.title!=null %} - {% endif -%}
+        {%- if env.projectNode.title -%}{{ env.projectNode.title }}{%- endif -%}</title>
+    {%~ block head %}
+    {%~ endblock %}
+</head>
+<body>
+<!-- content start -->
+{%~ block body %}
+{%~ endblock %}
+<!-- content end -->
+</body>
+</html>

vendor/phpdocumentor/guides/resources/template/html/structure/section.html.twig

@@ -0,0 +1,5 @@
+<div class="section{% if node.classes %} {{ node.classesString }}{% endif %}" id="{{ node.title.id }}">
+    {% for childNode in node.children %}
+        {{ renderNode(childNode) }}
+    {% endfor %}
+</div>

vendor/phpdocumentor/guides/resources/template/html/structure/sidebar.html.twig

@@ -0,0 +1,5 @@
+<div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">{{ renderNode(title) }}</p>
+        {{ renderNode(node) }}
+    </div>
+</div>