Harden quarantine provisioning; enforce strict permissions and update Ansible and docs

tests/ConfigTest.php

@@ -0,0 +1,22 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+use UploadLogger\Core\Config;
+
+final class ConfigTest extends TestCase
+{
+    public function testDotNotationGetters(): void
+    {
+        $data = [
+            'modules' => ['flood' => true],
+            'limits' => ['max_size' => 12345, 'nested' => ['x' => 5]],
+        ];
+
+        $cfg = new Config($data);
+
+        $this->assertTrue($cfg->isModuleEnabled('flood'));
+        $this->assertEquals(12345, $cfg->get('limits.max_size'));
+        $this->assertEquals(5, $cfg->get('limits.nested.x'));
+        $this->assertNull($cfg->get('limits.nonexistent'));
+    }
+}