diff --git a/EXTERNAL_IMPORT_TEST.md b/EXTERNAL_IMPORT_TEST.md
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+# External import test
+
+Placeholder file added to exercise the OSS → Universe contribution
+import flow documented in
+`deco/oss/docs/databricks-sdk-py/external-contributions.md` (in
+`databricks-eng/universe`).
+
+Safe to delete once the import flow has been validated end-to-end.