refactor: ChangeLog::recordPartial and column-size truncation

recordPartial() replaces the partial-log FollowUp blocks in content-create,
content-update and post-replace-with-copy; record() truncates ability,
object_type and object_id to their column sizes.

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

src/Integrations/WordPress/Content/ContentUpdateAbility.php

@@ -247,20 +247,12 @@ final class ContentUpdateAbility implements Ability
             throw new WriteFailed(self::REASON, true, $postId, $revisionId, $cause, $detail);
         }
 
-        $ignored = [];
-        FollowUp::run(
-            fn () => $this->log->record(
-                $this->name(),
-                (string) $post->post_type,
-                (string) $postId,
-                sprintf('"%s": Änderung nur teilweise zurückgenommen', $post->post_title),
-                $revisionId,
-                null,
-                'partial'
-            ),
-            $this->name() . ' change log',
-            '',
-            $ignored
+        $this->log->recordPartial(
+            $this->name(),
+            (string) $post->post_type,
+            (string) $postId,
+            sprintf('"%s": Änderung nur teilweise zurückgenommen', $post->post_title),
+            $revisionId
         );
         throw new WriteFailed(
             self::REASON,