Follow the commit history to its new home in the payload

GitHub moved commitGroups from the top of the embedded JSON into a
commitsRefRoute, alongside the code view's own routes, so every commits
page threw. The groups themselves are unchanged.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BErPR92xppzGFXkPqXPYj2

1 files changed, 8 insertions, 3 deletions

diff --git a/cgithub/src/scraper.ts b/cgithub/src/scraper.ts
index 1a67d05..c02cb5e 100644
--- a/cgithub/src/scraper.ts
+++ b/cgithub/src/scraper.ts
@@ -139,6 +139,10 @@ interface CodeViewBlobLayoutRouteStyledBlob {
   stylingDirectives: StylingDirective[][] | null;
 }
 
+interface CommitsRefRoute {
+  commitGroups: CommitGroup[];
+}
+
 interface CodeViewBlobRoute {
   richText: string | null;
   renderedFileInfo?: { renderFileType: string | null } | null;
@@ -161,7 +165,7 @@ interface AppPayload {
   codeViewBlobLayoutRoute?: CodeViewBlobLayoutRoute;
   "codeViewBlobLayoutRoute.StyledBlob"?: CodeViewBlobLayoutRouteStyledBlob;
   codeViewBlobRoute?: CodeViewBlobRoute;
-  commitGroups?: CommitGroup[];
+  commitsRefRoute?: CommitsRefRoute;
   // Actually there may be other query types.
   preloadedQueries?: IssueIndexPageQuery[];
 }
@@ -648,8 +652,9 @@ export async function getGitHubCommits(
   const html = await fetchGitHubPage(urlPath);
 
   const payload = parsePayload(html);
+  const commitsRoute = payload?.commitsRefRoute;
 
-  if (payload?.commitGroups === undefined) {
+  if (commitsRoute === undefined) {
     throw new Error("Could not find commit history in embedded JSON");
   }
 
@@ -660,7 +665,7 @@ export async function getGitHubCommits(
     },
     branch,
     path,
-    commitGroups: payload.commitGroups,
+    commitGroups: commitsRoute.commitGroups,
   };
 }