feat: change log table with retention cron and limits option

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

tests/Unit/LifecycleTest.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit;
+
+use Brain\Monkey\Functions;
+use LIT\MCP\Lifecycle;
+use Mockery;
+
+final class LifecycleTest extends TestCase
+{
+    protected function tearDown(): void
+    {
+        unset($GLOBALS['wpdb']);
+        parent::tearDown();
+    }
+
+    public function testActivateInstallsTheTableAndSchedulesTheCleanup(): void
+    {
+        $GLOBALS['wpdb'] = Mockery::mock(\wpdb::class)->makePartial();
+        Functions\expect('dbDelta')->once();
+        Functions\expect('update_option')->once()->with('lit_mcp_db_version', '1');
+        Functions\when('wp_next_scheduled')->justReturn(false);
+        Functions\expect('wp_schedule_event')->once();
+
+        Lifecycle::activate();
+    }
+
+    public function testDeactivateUnschedulesTheCleanup(): void
+    {
+        Functions\expect('wp_clear_scheduled_hook')->once()->with('lit_mcp_log_cleanup');
+
+        Lifecycle::deactivate();
+    }
+}