fix: update breadcrumbs to use string instead of string[] for turbopuffer type checking (#5713)

Author: sahil485

packages/fern-docs/search-server/utils/src/turbopuffer/TurbopufferRecord.ts

@@ -14,7 +14,7 @@ export const TurbopufferRecordSchema = z.object({
         keywords: z.array(z.string()).optional(),
         authed: z.boolean().optional(),
         content_type: z.string().optional(),
-        breadcrumbs: z.union([z.string(), z.array(z.string())]).optional(),
+        breadcrumbs: z.string().optional(),
         chunk_index: z.number().optional(),
         parent_id: z.string().optional(),
         parent_content_hash: z.string().optional(),

servers/fai-reindexing/src/services/turbopuffer/records/create-endpoint-record-http.ts

@@ -66,7 +66,10 @@ export function createEndpointBaseRecordHttp({
 
     const { roles, authed: isNodeAuthed } = createViewersForNodes([...parents, node], authed);
 
-    const breadcrumbs = FernNavigation.utils.createBreadcrumb([...parents, node]).map((b) => b.title);
+    const breadcrumbs = FernNavigation.utils
+        .createBreadcrumb([...parents, node])
+        .map((b) => b.title)
+        .join(", ");
 
     return {
         id: createHash("sha256").update(node.id).digest("hex"),

servers/fai-reindexing/src/services/turbopuffer/records/create-endpoint-record-web-socket.ts

@@ -77,7 +77,10 @@ export function createEndpointBaseRecordWebSocket({
 
     const { roles, authed: isNodeAuthed } = createViewersForNodes([...parents, node], authed);
 
-    const breadcrumbs = FernNavigation.utils.createBreadcrumb([...parents, node]).map((b) => b.title);
+    const breadcrumbs = FernNavigation.utils
+        .createBreadcrumb([...parents, node])
+        .map((b) => b.title)
+        .join(", ");
 
     return {
         id: createHash("sha256").update(node.webSocketId).digest("hex"),

servers/fai-reindexing/src/services/turbopuffer/records/create-endpoint-record-webhook.ts

@@ -63,7 +63,10 @@ export function createEndpointBaseRecordWebhook({
 
     const document = `${document_body}\n\n${description}`;
 
-    const breadcrumbs = FernNavigation.utils.createBreadcrumb([...parents, node]).map((b) => b.title);
+    const breadcrumbs = FernNavigation.utils
+        .createBreadcrumb([...parents, node])
+        .map((b) => b.title)
+        .join(", ");
 
     return {
         id: createHash("sha256").update(node.webhookId).digest("hex"),

servers/fai-reindexing/src/services/turbopuffer/records/create-markdown-records.ts

@@ -58,7 +58,10 @@ export async function createMarkdownRecords({
 
     const { roles, authed: isNodeAuthed } = createViewersForNodes([...parents, node], authed);
 
-    const breadcrumbs = FernNavigation.utils.createBreadcrumb([...parents, node]).map((b) => b.title);
+    const breadcrumbs = FernNavigation.utils
+        .createBreadcrumb([...parents, node])
+        .map((b) => b.title)
+        .join(", ");
 
     const markdownChunks = isChangelog ? [markdown] : chunkMarkdown(markdown);
 

servers/fai/src/fai/models/utils/record.py

@@ -15,7 +15,7 @@ class TurbopufferRecord(BaseModel):
     keywords: list[str] | None = None
     authed: bool | None = None
     content_type: str | None = None
-    breadcrumbs: str | list[str] | None = None
+    breadcrumbs: str | None = None
     chunk_index: int | None = None
     parent_id: str | None = None
     parent_content_hash: str | None = None