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Dedupe blog search results so a post appears only once #8081

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nurul3101 merged 1 commit into from
Jul 17, 2026
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Dedupe blog search results so a post appears only once #8081

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5 changes: 5 additions & 0 deletions apps/blog/src/app/api/search/route.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,12 @@ export const { GET } = createMixedbreadSearchAPI({
storeIdentifier: "blog-search",
topK: 20,
transform: (results, _query) => {
// Mixedbread returns chunk-level matches; keep only the highest-scoring
// chunk per file so a post never appears more than once.
const seenFiles = new Set<string>();
return results.flatMap((item) => {
if (seenFiles.has(item.file_id)) return [];
seenFiles.add(item.file_id);
const metadata = item.generated_metadata as unknown as GeneratedMetadata;
const slug = (metadata?.slug ?? "").replace(/^\/+/, "");
const title = metadata?.metaTitle ?? metadata?.title ?? "Untitled";
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