fix(seed): unnest go-sdk idempotency-headers output and make orphan cleanup push resilient

.github/workflows/seed.yml

@@ -82,7 +82,18 @@ jobs:
             git config --global user.email 'github-actions[bot]@users.noreply.github.com'
             git add seed/
             git commit -m "chore(seed): auto-clean orphaned seed folders"
-            git push
+            # the target branch moves constantly (release commits), so rebase and
+            # retry instead of losing the race to a non-fast-forward rejection.
+            for attempt in 1 2 3 4 5; do
+              if git push; then
+                exit 0
+              fi
+              echo "Push rejected (attempt $attempt/5), rebasing onto origin/${{ github.ref_name }}..."
+              git pull --rebase --autostash origin "${{ github.ref_name }}"
+              sleep 5
+            done
+            echo "Failed to push orphaned seed folder cleanup after 5 attempts."
+            exit 1
           else
             echo "No orphaned seed folders found."
           fi

seed/go-sdk/seed.yml

@@ -275,7 +275,7 @@ fixtures:
     - outputFolder: no-custom-config
       customConfig: null
   idempotency-headers:
-    - outputFolder: .
+    - outputFolder: no-custom-config
       outputVersion: 0.0.1
       customConfig:
         packageName: fern