Update 6 SQLite

internal/engine/article.go

@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
+	"log/slog"
 	"math"
 	"os"
 	"path/filepath"
@@ -467,12 +468,16 @@ func (e *Engine) researchKnowledgeGaps(ctx context.Context, trigger string, node
 		if resultLimit < 1 {
 			resultLimit = 4
 		}
-		results, err := e.Research.Search(ctx, query, resultLimit)
+		results, diagnostic, err := e.Research.SearchDetailed(ctx, query, resultLimit)
 		if err != nil {
-			e.Broker.Publish(model.Activity{Type: "article.research.failed", Source: "searxng", Phase: "knowledge-research", NodeIDs: nodeIDs, Message: "Die ergänzende Artikelrecherche ist fehlgeschlagen", Strength: .35, Metadata: mergeResearchMetadata(startMetadata, map[string]any{"error": err.Error(), "duration_ms": time.Since(started).Milliseconds()})})
+			metadata := mergeResearchMetadata(startMetadata, researchDiagnosticMetadata(diagnostic))
+			metadata["error"] = err.Error()
+			metadata["duration_ms"] = time.Since(started).Milliseconds()
+			slog.Warn("article research failed", "query", query, "base_url", diagnostic.BaseURL, "kind", diagnostic.ErrorKind, "http_status", diagnostic.HTTPStatus, "duration_ms", diagnostic.DurationMS, "error", err)
+			e.Broker.Publish(model.Activity{Type: "article.research.failed", Source: "searxng", Phase: "knowledge-research", NodeIDs: nodeIDs, Message: "Die ergänzende Artikelrecherche ist fehlgeschlagen", Strength: .35, Metadata: metadata})
 			return nil, err
 		}
-		resultMetadata := researchEventMetadata(trigger, researchID, query, results, time.Since(started))
+		resultMetadata := mergeResearchMetadata(researchEventMetadata(trigger, researchID, query, results, time.Since(started)), researchDiagnosticMetadata(diagnostic))
 		message := fmt.Sprintf("SearXNG hat %d Quellen für den offenen Wissenspunkt geliefert", len(results))
 		if len(results) == 0 {
 			message = "SearXNG hat für den offenen Wissenspunkt keine verwertbare Quelle geliefert"