Add history-based state changes and recompute pipeline

internal/idgen/generator.go

@@ -17,6 +17,11 @@ const (
 	Observation   EntityType = "observation"
 	TimelineEvent EntityType = "timeline_event"
 	FailureEvent  EntityType = "failure_event"
+	ComponentChangeEvent EntityType = "component_change_event"
+	ComponentSnapshot    EntityType = "component_snapshot"
+	AssetChangeEvent     EntityType = "asset_change_event"
+	AssetSnapshot        EntityType = "asset_snapshot"
+	HistoryAdminAudit    EntityType = "history_admin_audit"
 )
 
 // Prefix mapping for each entity type
@@ -28,6 +33,11 @@ var prefixMap = map[EntityType]string{
 	Observation:   "OB",
 	TimelineEvent: "TE",
 	FailureEvent:  "FE",
+	ComponentChangeEvent: "CE",
+	ComponentSnapshot:    "CS",
+	AssetChangeEvent:     "AE",
+	AssetSnapshot:        "AS",
+	HistoryAdminAudit:    "HA",
 }
 
 // Generator handles unique ID generation with prefixes