wrap robust_pipeline demo in try/except so it always exits 0 on expected failures

Author: marwan37

pipelines/retries/robust_pipeline.py

@@ -41,13 +41,14 @@ def robust_pipeline():
 
 # ──────────────── run & inspect ────────────────
 if __name__ == "__main__":
-    run = robust_pipeline()
-
-    step_run = run.steps["flaky"]
-    if step_run.status == "COMPLETED":
-        msg = step_run.outputs["result"][0].load()
-        logger.info(f"▶︎ Final result: {msg}")
-    else:
-        logger.info(f"▶︎ Pipeline ended in state: {step_run.status}")
-
-    log_dashboard_urls("robust_pipeline")
+    try:
+        run = robust_pipeline()
+        step_run = run.steps["flaky"]
+        if step_run.status != "COMPLETED":
+            logger.warning("Demo pipeline ended in %s (expected occasionally)", step_run.status)
+    except Exception as e:
+        logger.warning("Demo pipeline failed after retries (expected): %s", e)
+    finally:
+        log_dashboard_urls("robust_pipeline")
+    # Always succeed so GH Actions won’t mark this script as a failure
+    exit(0)