feat: lit/divi-insert and lit/divi-update

All-or-nothing at ability level (S39), duplicate ids refused (S14),
set and attrs on the same path refused (S38), invalid_attr_path error.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

tests/Unit/Integrations/Divi/DiviIntegrationTest.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Tests\Unit\Integrations\Divi;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\ChangeLog\ChangeLog;
 use LIT\MCP\Integrations\Divi\DiviIntegration;
 use LIT\MCP\Integrations\WordPress\Schema\ContentSchema;
 use LIT\MCP\Tests\Unit\TestCase;
@@ -18,11 +19,13 @@ final class DiviIntegrationTest extends TestCase
         'lit/divi-node-get',
         'lit/divi-catalog',
         'lit/divi-design-system',
+        'lit/divi-insert',
+        'lit/divi-update',
     ];
 
     public function testProvidesTheDiviAbilitiesOnlyWithDivi5(): void
     {
-        $integration = new DiviIntegration(Mockery::mock(ContentSchema::class));
+        $integration = new DiviIntegration(Mockery::mock(ContentSchema::class), Mockery::mock(ChangeLog::class));
 
         self::assertSame('divi', $integration->id());
         self::assertFalse($integration->isAvailable(), 'no Divi classes in unit tests');