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/parsica-php/parsica/tests/JSON/NumberTest.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+/**
+ * This file is part of the Parsica library.
+ *
+ * Copyright (c) 2020 Mathias Verraes <mathias@verraes.net>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Tests\Parsica\Parsica\JSON;
+
+use PHPUnit\Framework\TestCase;
+use Parsica\Parsica\JSON\JSON;
+use Parsica\Parsica\PHPUnit\ParserAssertions;
+
+final class NumberTest extends TestCase
+{
+    use ParserAssertions;
+
+    /** @test */
+    public function number()
+    {
+        $this->assertParses("0", JSON::number(), 0.0);
+        $this->assertParses("0.1", JSON::number(), 0.1);
+        $this->assertParses("0.15", JSON::number(), 0.15);
+        $this->assertParses("0.10", JSON::number(), 0.1);
+        $this->assertParses("-0.1", JSON::number(), -0.1);
+        $this->assertParses("1.2345678", JSON::number(), 1.2345678);
+        $this->assertParses("-1.2345678", JSON::number(), -1.2345678);
+        $this->assertParses("-1.23456789E+123", JSON::number(), -1.23456789E+123);
+        $this->assertParses("-1.23456789e-123", JSON::number(), -1.23456789E-123);
+        $this->assertParses("-1E-123", JSON::number(), -1E-123);
+        $this->assertParses("-1E-123          ", JSON::number(), -1E-123);
+    }
+
+
+}