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/ContentCreateAbility.php

@@ -204,12 +204,6 @@ final class ContentCreateAbility implements Ability
 
     private function logPartial(string $postType, string $postId, string $summary): void
     {
-        $ignored = [];
-        FollowUp::run(
-            fn () => $this->log->record($this->name(), $postType, $postId, $summary, null, null, 'partial'),
-            $this->name() . ' change log',
-            '',
-            $ignored
-        );
+        $this->log->recordPartial($this->name(), $postType, $postId, $summary);
     }
 }