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

tests/Unit/ChangeLog/ChangeLogTest.php

@@ -67,6 +67,53 @@ final class ChangeLogTest extends TestCase
         unlink($log);
     }
 
+    public function testRecordTruncatesObjectIdAndAbilityToTheColumnSizes(): void
+    {
+        Functions\when('current_time')->justReturn('2026-09-25 08:00:00');
+        Functions\when('get_current_user_id')->justReturn(3);
+        $db = Mockery::mock(\wpdb::class)->makePartial();
+        $db->expects('insert')
+            ->with('wp_lit_mcp_log', Mockery::on(static function (array $row): bool {
+                return $row['object_id'] === str_repeat('ä', 191) && $row['ability'] === str_repeat('ö', 100);
+            }), Mockery::type('array'))
+            ->andReturn(1);
+
+        (new ChangeLog($db))->record(str_repeat('ö', 150), 'option', str_repeat('ä', 300), 'x');
+    }
+
+    public function testRecordPartialStoresResultPartial(): void
+    {
+        Functions\when('current_time')->justReturn('2026-09-25 08:00:00');
+        Functions\when('get_current_user_id')->justReturn(3);
+        $db = Mockery::mock(\wpdb::class)->makePartial();
+        $db->expects('insert')
+            ->with('wp_lit_mcp_log', Mockery::on(static function (array $row): bool {
+                return $row['result'] === 'partial' && $row['revision_id'] === 7 && $row['object_id'] === '12';
+            }), Mockery::type('array'))
+            ->andReturn(1);
+
+        (new ChangeLog($db))->recordPartial('lit/content-update', 'page', '12', 'teilweise', 7);
+    }
+
+    public function testRecordPartialNeverThrows(): void
+    {
+        Functions\when('current_time')->justReturn('2026-09-25 08:00:00');
+        Functions\when('get_current_user_id')->justReturn(3);
+        $db = Mockery::mock(\wpdb::class)->makePartial();
+        $db->allows('insert')->andThrow(new \RuntimeException('db gone'));
+        $log = (string) tempnam(sys_get_temp_dir(), 'lit-mcp-log');
+        $previous = ini_set('error_log', $log);
+
+        try {
+            (new ChangeLog($db))->recordPartial('lit/menu-set-items', 'nav_menu', '4', 'teilweise');
+        } finally {
+            ini_set('error_log', (string) $previous);
+        }
+
+        self::assertStringContainsString('db gone', (string) file_get_contents($log));
+        unlink($log);
+    }
+
     public function testPurgeDeletesRowsOlderThanTheRetention(): void
     {
         $db = Mockery::mock(\wpdb::class)->makePartial();

tests/Unit/Integrations/WordPress/Content/ContentCreateAbilityTest.php

@@ -134,8 +134,8 @@ final class ContentCreateAbilityTest extends TestCase
         Functions\when('wp_insert_post')->justReturn(42);
         Functions\when('wp_delete_post')->justReturn(false);
         $log = Mockery::mock(ChangeLog::class);
-        $log->expects('record')
-            ->with('lit/content-create', 'lit_person', '42', Mockery::type('string'), null, null, 'partial')
+        $log->expects('recordPartial')
+            ->with('lit/content-create', 'lit_person', '42', Mockery::type('string'))
             ->andReturn(9);
 
         $failure = $this->execute($writer, $log);
@@ -153,7 +153,7 @@ final class ContentCreateAbilityTest extends TestCase
         Functions\when('wp_insert_post')->justReturn(42);
         Functions\when('wp_delete_post')->justReturn(new WP_Post(['ID' => 42]));
         $log = Mockery::mock(ChangeLog::class);
-        $log->expects('record')->andReturn(9);
+        $log->expects('recordPartial');
 
         $failure = $this->execute($writer, $log);
 
@@ -168,8 +168,8 @@ final class ContentCreateAbilityTest extends TestCase
             throw new RuntimeException('save_post hook kaputt');
         });
         $log = Mockery::mock(ChangeLog::class);
-        $log->expects('record')
-            ->with('lit/content-create', 'lit_person', '', Mockery::type('string'), null, null, 'partial')
+        $log->expects('recordPartial')
+            ->with('lit/content-create', 'lit_person', '', Mockery::type('string'))
             ->andReturn(9);
 
         $failure = $this->execute($writer, $log);

tests/Unit/Integrations/WordPress/Content/ContentUpdateAbilityTest.php

@@ -261,8 +261,8 @@ final class ContentUpdateAbilityTest extends TestCase
         $this->captureUpdates($updates);
         Functions\when('wp_revisions_enabled')->justReturn(false);
         $log = Mockery::mock(ChangeLog::class);
-        $log->expects('record')
-            ->with('lit/content-update', 'page', '5', Mockery::type('string'), 811, null, 'partial')
+        $log->expects('recordPartial')
+            ->with('lit/content-update', 'page', '5', Mockery::type('string'), 811)
             ->andReturn(12);
 
         $failure = $this->executeExpectingFailure($writer, $input, $log);

tests/Unit/Integrations/WordPress/Status/PostReplaceWithCopyAbilityTest.php

@@ -228,8 +228,8 @@ final class PostReplaceWithCopyAbilityTest extends TestCase
         $cloner->expects('restore')->with($this->original, self::SNAPSHOT, PostCloner::PARTS)->andThrow(new RuntimeException('Restore incomplete: terms'));
         Functions\expect('wp_trash_post')->never();
         $log = Mockery::mock(ChangeLog::class);
-        $log->expects('record')
-            ->with('lit/post-replace-with-copy', 'page', '5', Mockery::type('string'), 900, null, 'partial')
+        $log->expects('recordPartial')
+            ->with('lit/post-replace-with-copy', 'page', '5', Mockery::type('string'), 900)
             ->andReturn(12);
 
         try {