feat: add MCP server for the website chatbot over a mirrored TYPO3 content feed

src/ContentFeed/Exception/PagePhaseEndedException.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\ContentFeed\Exception;
+
+/**
+ * Three slow responses in a row: TYPO3 is under load, so no more pages this run. The rest
+ * of the run (bookkeeping, merging) still completes.
+ */
+class PagePhaseEndedException extends \RuntimeException
+{
+}