fix(web): invalidate diff expansion cache when file changes (#501)

2026-03-30 21:17:49 +01:00
parent be1b3a41db
commit 54b8d2939b
2 changed files with 52 additions and 1 deletions
@@ -114,11 +114,14 @@ export function useExpandableDiff({
  const [error, setError] = useState<string | null>(null);

  // Reset cached content when inputs change so stale data is never rendered.
+  // Including fileDiffMetadata ensures expansion content is invalidated when
+  // the diff changes (e.g., file modified while Diff panel is open), because
+  // @pierre/diffs uses oldLines/newLines for rendering when present.
  useEffect(() => {
    requestVersionRef.current += 1;
    setLoadedContent(null);
    setError(null);
-  }, [sessionId, filePath, baseRef]);
+  }, [sessionId, filePath, baseRef, fileDiffMetadata]);

  const loadContent = useCallback(async () => {
    if (!sessionId || !enableExpansion || loadedContent || isLoading) return;