fix: patch remaining lib/ references missed in core/ rename

CliAppBootstrap and ModuleCliRuntime still required from the old
lib/ path, which would break all CLI commands. Also fixes stale
lib/ references in docs, test assertion messages, and a PHPDoc
comment.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/Http/ErrorHandlerTest.php

@@ -124,6 +124,6 @@ class ErrorHandlerTest extends TestCase
         putenv('APP_VENDOR_PHP_ISSUES_MODE=suppress_deprecations_warnings');
 
         $this->expectException(\ErrorException::class);
-        ErrorHandler::handleError(E_WARNING, 'warning', '/var/www/lib/Http/ErrorHandler.php', 69);
+        ErrorHandler::handleError(E_WARNING, 'warning', '/var/www/core/Http/ErrorHandler.php', 69);
     }
 }