chore: initial snapshot of 2meet-data-optimizer v0.1.0

Baseline before backporting wp-data-optimizer v3.0.1-v3.4.6.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TbG1keQQ7XBa7qMQY16KCY

phpunit-integration.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+    bootstrap="tests/integration/bootstrap.php"
+    colors="true"
+    beStrictAboutOutputDuringTests="true"
+    failOnWarning="true"
+>
+    <testsuites>
+        <testsuite name="integration">
+            <directory>tests/integration</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>