From 66c95217d5c68b3915ee4ba534f6496d7dbd7dfc Mon Sep 17 00:00:00 2001
From: Alex Patterson <alex@codingcat.dev>
Date: Fri, 23 Oct 2026 14:53:38 -0400
Subject: [PATCH] fix(syndication): include Cookie header for AWS Builder and
 check existing syndication docs

---
 apps/sanity/functions/syndicate-content/index.ts | 1 +
 scripts/run-syndicate-post.mjs                   | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/apps/sanity/functions/syndicate-content/index.ts b/apps/sanity/functions/syndicate-content/index.ts
index 7dccd510..0f3eb1da 100644
--- a/apps/sanity/functions/syndicate-content/index.ts
+++ b/apps/sanity/functions/syndicate-content/index.ts
@@ -560,6 +560,7 @@ export const handler = documentEventHandler<ContentDocument>(
 						"Content-Type": "application/json",
 						Accept: "application/json",
 						"builder-session-token": awsSessionToken,
+						Cookie: `builder-session-token=${awsSessionToken}`,
 					};
 
 					const existingSyndication = await client
diff --git a/scripts/run-syndicate-post.mjs b/scripts/run-syndicate-post.mjs
index bb9b91ff..25aa3492 100644
--- a/scripts/run-syndicate-post.mjs
+++ b/scripts/run-syndicate-post.mjs
@@ -318,6 +318,7 @@ async function run() {
       "Content-Type": "application/json",
       Accept: "application/json",
       "builder-session-token": awsSessionToken,
+      Cookie: `builder-session-token=${awsSessionToken}`,
     };
 
     try {
@@ -457,7 +458,11 @@ async function run() {
   // --- LINK SYNDICATION REFERENCES ON PARENT ---
   try {
     const platforms = ["devto", "hashnode", ...(shouldSyndicateAws ? ["awsbuilder"] : [])];
-    const expectedRefs = platforms.map((p) => `syndication.${doc._id}.${p}`);
+    const candidateRefs = platforms.map((p) => `syndication.${doc._id}.${p}`);
+    const existingSynDocs = await Promise.all(
+      candidateRefs.map((ref) => client.getDocument(ref).catch(() => null))
+    );
+    const expectedRefs = candidateRefs.filter((_, idx) => Boolean(existingSynDocs[idx]));
     const latestDoc = await client.getDocument(doc._id);
     const existingRefs = (latestDoc?.syndications || []).map((s) => s._ref);