feat(simple_metrics): warn when frequency_alert is below the 1m floor (SIENTIAPDE-2190)

orchestrator/utils/orchestrator_functions.py

@@ -115,6 +115,27 @@ def simple_metrics(config: dict[str, Any]):
     }
 
 
+MIN_FREQUENCY_ALERT_SECONDS = 60
+
+
+def frequency_alert_warning(frequency_alert: str | None) -> str | None:
+    """
+    Warning message when `frequency_alert` is below the 1-minute floor or does not parse,
+    otherwise None. Warn only: the configured value is kept (SIENTIAPDE-1995 decision 7).
+    """
+    if not frequency_alert:
+        return None
+    try:
+        # str(): a non-string value (e.g. a number typed into the doc) must warn, not raise
+        # AttributeError and fail the whole create_schedule_config activity.
+        seconds = parse_frequency(str(frequency_alert))
+    except ValueError:
+        return f'frequency_alert={frequency_alert!r} is not a valid frequency'
+    if seconds < MIN_FREQUENCY_ALERT_SECONDS:
+        return f'frequency_alert={frequency_alert} is below the 1m floor; kept as configured'
+    return None
+
+
 def minimal_retrain(config: dict[str, Any]):
     """
     Build minimal retrain configuration from pipeline config.