fix

apps/api/internal/processing/enhance_hash_test.go

@@ -375,9 +375,9 @@ func TestRunSteps_synthPriorHashDoesNotSkipReprocess(t *testing.T) {
 	}
 	normName := "Vogel's WALL 3245 TV Wall Mount"
 	normDesc := "A mount with enough mapped detail for hashing inputs."
-	synthPrior := synthesizeDescriptionFromTitle(normName, "TV Mounts", "en", map[string]any{
-		"brand": "Vogel's", "width": "45 cm", "max_load": "40 kg",
-	})
+	// Use legacy invent phrasing as the stored prior — new factual fallback must not
+	// look like invent, but old catalog rows still do and must force re-enhance.
+	synthPrior := normName + " is a TV Mounts product from Vogel's. Key specs: width 45 cm, max_load 40 kg."
 	if !company.LooksLikeHeuristicSynthesize(synthPrior) {
 		t.Fatalf("expected invent synth prior, got %q", synthPrior)
 	}