Storyline: add Session 1 — Outside Blood

The party reaches Brackenford two hours after Eamon met Aldren: the Thorn
beekeepers, the Vale family and Edric's death, the council hiding Eamon,
the collection cart, and the first word of blood.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/Storyline/ChapterTemplatesTest.php

@@ -29,6 +29,11 @@ class ChapterTemplatesTest extends KernelTestCase
             'The Crooked Goose',
             'Tell them the blood is no longer enough',
         ];
+        yield 'session 1' => [
+            'storyline/chapters/session-1-outside-blood.html.twig',
+            'Are you Thorns?',
+            'The Hearth & Hound',
+        ];
     }
 
     #[DataProvider('chapters')]