Optimierter Workflow

internal/engine/article_research_cache.go

@@ -67,18 +67,24 @@ func (e *Engine) researchEvidenceForSources(sources []articleSource) []model.Res
 	}
 	snapshot := e.Graph.Snapshot()
 	externalIDs := map[string]bool{}
+	groundedByIDs := map[string]bool{}
 	for _, edge := range snapshot.Edges {
 		if edge.Status == "rejected" {
 			continue
 		}
 		switch edge.Type {
 		case "research_evidence":
+			// Legacy research_evidence edges are only candidate links. They may
+			// originate from versions that materialised every fetched page before
+			// final article review. Keep them as lookup candidates, but require the
+			// external node itself to carry validation_state=grounded below.
 			if sourceIDs[edge.Target] {
 				externalIDs[edge.Source] = true
 			}
 		case "grounded_by":
 			if sourceIDs[edge.Source] {
 				externalIDs[edge.Target] = true
+				groundedByIDs[edge.Target] = true
 			}
 		}
 	}
@@ -88,9 +94,14 @@ func (e *Engine) researchEvidenceForSources(sources []articleSource) []model.Res
 	nodes := make([]model.Node, 0, len(externalIDs))
 	filter := e.effectiveThinkingFilter()
 	for _, node := range snapshot.Nodes {
-		if externalIDs[node.ID] && node.Kind == "external" && filter.Matches(node) {
-			nodes = append(nodes, node)
+		if !externalIDs[node.ID] || node.Kind != "external" || !filter.Matches(node) {
+			continue
 		}
+		validationState := strings.ToLower(strings.TrimSpace(metadataString(node.Metadata, "validation_state")))
+		if !groundedByIDs[node.ID] && validationState != "grounded" {
+			continue
+		}
+		nodes = append(nodes, node)
 	}
 	sort.SliceStable(nodes, func(i, j int) bool {
 		if nodes[i].Weight == nodes[j].Weight {