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/Architecture/AddressBookModuleIsolationContractTest.php

@@ -70,7 +70,7 @@ final class AddressBookModuleIsolationContractTest extends TestCase
         $coreServiceDir = dirname(__DIR__, 2) . '/core/Service/AddressBook';
         self::assertDirectoryDoesNotExist(
             $coreServiceDir,
-            'Addressbook service classes should live in modules/addressbook/lib, not in Core lib/Service'
+            'Addressbook service classes should live in modules/addressbook/lib, not in core/Service'
         );
     }
 }