adding ai summary - default is disabled

app/services/state_manager.py

@@ -7,7 +7,7 @@ from pathlib import Path
 from typing import Optional, Union
 
 from app.models.alerts import AggregatedAlert, TriggeredAlert
-from app.models.state import AlertState
+from app.models.state import AlertSnapshot, AlertState
 from app.utils.logging_config import get_logger
 
 # Type alias for alerts that can be deduplicated
@@ -183,3 +183,47 @@ class StateManager:
             self.logger.info("old_records_purged", count=purged)
 
         return purged
+
+    def save_alert_snapshots(self, alerts: list[AggregatedAlert]) -> None:
+        """Save current alerts as snapshots for change detection.
+
+        Args:
+            alerts: List of aggregated alerts to save as snapshots.
+        """
+        snapshots: dict[str, AlertSnapshot] = {}
+
+        for alert in alerts:
+            snapshot = AlertSnapshot(
+                alert_type=alert.alert_type.value,
+                extreme_value=alert.extreme_value,
+                threshold=alert.threshold,
+                start_time=alert.start_time,
+                end_time=alert.end_time,
+                hour_count=alert.hour_count,
+            )
+            snapshots[alert.alert_type.value] = snapshot
+
+        from datetime import datetime
+
+        self.state.previous_alert_snapshots = snapshots
+        self.state.last_updated = datetime.now()
+
+        self.logger.debug(
+            "alert_snapshots_saved",
+            count=len(snapshots),
+        )
+
+    def get_previous_snapshots(self) -> dict[str, AlertSnapshot]:
+        """Get previous alert snapshots for change detection.
+
+        Returns:
+            Dict of alert snapshots keyed by alert type.
+        """
+        return self.state.previous_alert_snapshots
+
+    def record_ai_summary_sent(self) -> None:
+        """Record that an AI summary was sent."""
+        from datetime import datetime
+
+        self.state.last_ai_summary_sent = datetime.now()
+        self.logger.debug("ai_summary_sent_recorded")