From 978dd8834753c34f9c57a4c90fd64ee6b02deb0c Mon Sep 17 00:00:00 2001
From: Agent <agent@example.com>
Date: Wed, 1 Apr 2026 20:21:31 +0000
Subject: [PATCH] fix: add --reverse to get_pr_for_file ancestry lookup (#129)

---
 docker/edge/dispatcher.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docker/edge/dispatcher.sh b/docker/edge/dispatcher.sh
index c06c082..84cfed8 100755
--- a/docker/edge/dispatcher.sh
+++ b/docker/edge/dispatcher.sh
@@ -120,8 +120,9 @@ get_pr_for_file() {
 
   # Step 2: find the merge commit that contains it via ancestry path
   local merge_line
+  # Use --reverse to get the oldest (direct PR merge) first, not the newest
   merge_line=$(git -C "$OPS_REPO_ROOT" log --merges --ancestry-path \
-    "${add_commit}..HEAD" --oneline 2>/dev/null | head -1)
+    --reverse "${add_commit}..HEAD" --oneline 2>/dev/null | head -1)
 
   if [ -z "$merge_line" ]; then
     return 1