feat: manifest checks, Divi compatibility from manifests, reference fingerprints

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

tests/Unit/Integrations/Divi/Release/DiviBoundaryTest.php

@@ -19,21 +19,12 @@ use ReflectionClass;
  */
 final class DiviBoundaryTest extends TestCase
 {
-    /**
-     * Files that still touch Divi outside an adapter (paths below src/). Tasks 3–7
-     * shrink this list to DiviCompatibility.php; Task 8 removes it together with
-     * testLegacyFilesStillTouchDivi.
-     */
-    private const LEGACY = [
-        'Integrations/Divi/DiviCompatibility.php',
-    ];
-
     public function testOnlyAdaptersTouchDivi(): void
     {
         $offenders = [];
         foreach (self::sourceFiles() as $relative => $path) {
             $touches = DiviTouches::inFile($path);
-            if ($touches === [] || in_array($relative, self::LEGACY, true)) {
+            if ($touches === []) {
                 continue;
             }
             if (! in_array(self::classOf($relative), DiviAdapters::CLASSES, true)) {
@@ -45,16 +36,6 @@ final class DiviBoundaryTest extends TestCase
             . implode("\n", $offenders));
     }
 
-    public function testLegacyFilesStillTouchDivi(): void
-    {
-        $files = self::sourceFiles();
-        foreach (self::LEGACY as $relative) {
-            self::assertArrayHasKey($relative, $files, $relative . ' gibt es nicht mehr – aus LEGACY streichen');
-            self::assertNotSame([], DiviTouches::inFile($files[$relative]), $relative . ' ist sauber – aus LEGACY streichen');
-            self::assertNotContains(self::classOf($relative), DiviAdapters::CLASSES, $relative . ' ist ein Adapter');
-        }
-    }
-
     public function testAdaptersDeclareExactlyTheDiviNamesTheyUse(): void
     {
         foreach (DiviAdapters::CLASSES as $class) {