A down chevron is the conventional dropdown affordance; the existing
is-open rule rotates it up toward the drop-up menu when expanded.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0147qRctyhELxJgGs3nHizEM

diff --git a/public/icons/chevron.svg b/public/icons/chevron.svg
index 9c37029..8364fd4 100644
--- a/public/icons/chevron.svg
+++ b/public/icons/chevron.svg
@@ -1,3 +1,3 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
-  <path d="M6 15l6-6 6 6"/>
+  <path d="M6 9l6 6 6-6"/>
 </svg>