feat: Divi hints point to the read tools; guides divi-structure/attrs/design-system; test: Divi read end-to-end

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

tests/Unit/Integrations/WordPress/Revisions/RevisionsListAbilityTest.php

@@ -66,7 +66,7 @@ final class RevisionsListAbilityTest extends TestCase
 
         self::assertTrue($result['items'][0]['divi']);
         self::assertFalse($result['items'][1]['divi']);
-        self::assertSame([PostPresenter::DIVI_HINT], $result['hints']);
+        self::assertSame([PostPresenter::diviHint()], $result['hints']);
     }
 
     public function testRevisionsOfATrashedPostCanStillBeListed(): void