cmd/core-runtime/main.go

@@ -1812,6 +1812,9 @@ func nearestFlightQuery(query string) bool {
 // search-engine snippets from becoming a human-facing answer when a search
 // term has a common non-travel meaning.
 func researchFindingMatchesIntent(query string, finding epistemics.ResearchFinding) bool {
+	if !findingContainsRequestedIdentifier(query, finding) {
+		return false
+	}
 	if !nearestFlightQuery(query) {
 		return true
 	}
@@ -1841,6 +1844,24 @@ func researchFindingMatchesIntent(query string, finding epistemics.ResearchFindi
 	return true
 }
 
+// findingContainsRequestedIdentifier prevents a generic landing page from
+// being presented as a result for a concrete model, article or brand request.
+// Identifiers are detected by their syntax, not by a catalogue of providers or
+// entities, so the rule stays valid as user vocabulary changes.
+func findingContainsRequestedIdentifier(query string, finding epistemics.ResearchFinding) bool {
+	identifiers := regexp.MustCompile(`(?i)[a-z0-9][a-z0-9._-]{3,}`).FindAllString(query, -1)
+	if len(identifiers) == 0 {
+		return true
+	}
+	evidence := strings.ToLower(strings.Join([]string{finding.Source.Title, finding.Source.Locator, finding.Excerpt.Text}, " "))
+	for _, identifier := range identifiers {
+		if !strings.Contains(evidence, strings.ToLower(identifier)) {
+			return false
+		}
+	}
+	return true
+}
+
 // nearestFlightRouteTerms retains only the two endpoint-shaped terms from a
 // structured flight search. It has no city or provider vocabulary: endpoint
 // relevance is determined from the request itself.

cmd/core-runtime/main_test.go

@@ -58,6 +58,30 @@ func TestNearestFlightEvidenceRequiresBothRouteEndpointsWhenKnown(t *testing.T)
 	}
 }
 
+func TestResearchReplyRejectsGenericLandingPageForConcreteIdentifier(t *testing.T) {
+	result := epistemics.ResearchResult{Findings: []epistemics.ResearchFinding{{
+		State:   epistemics.FindingSupported,
+		Source:  epistemics.Source{Locator: "https://market.example", Title: "Интернет-магазин"},
+		Excerpt: epistemics.SourceExcerpt{Text: "Широкий ассортимент товаров и услуг."},
+	}}}
+	reply, backed := renderResearchReply("на WB бренд marka-wear", result, nil)
+	if backed || !strings.Contains(reply, "Проверяемых данных") {
+		t.Fatalf("generic page was presented as a brand result: %q", reply)
+	}
+}
+
+func TestResearchReplyKeepsFindingContainingConcreteIdentifier(t *testing.T) {
+	result := epistemics.ResearchResult{Findings: []epistemics.ResearchFinding{{
+		State:   epistemics.FindingSupported,
+		Source:  epistemics.Source{Locator: "https://market.example/marka-wear", Title: "Marka-wear"},
+		Excerpt: epistemics.SourceExcerpt{Text: "Бренд marka-wear: товары и карточки."},
+	}}}
+	reply, backed := renderResearchReply("на WB бренд marka-wear", result, nil)
+	if !backed || !strings.Contains(strings.ToLower(reply), "marka-wear") {
+		t.Fatalf("concrete identifier finding was rejected: %q", reply)
+	}
+}
+
 func TestResponseReviewPreservesAttemptedResearchOutcome(t *testing.T) {
 	if reviewMayReplacePlanningReply(false, true, false, "Уточните аэропорт.", "Пока не смог получить проверяемый ответ.") {
 		t.Fatal("review replaced an honest unbacked research outcome")