Implement global vendor mappings with bundle support and seen-based ignore

internal/lotmatch/matcher_test.go

@@ -0,0 +1,33 @@
+package lotmatch
+
+import (
+	"testing"
+
+	"git.mchus.pro/mchus/priceforge/internal/models"
+)
+
+func TestResolveWithVendorFallback(t *testing.T) {
+	matcher := NewMappingMatcher(
+		[]models.LotPartnumber{
+			{Vendor: "VendorA", Partnumber: "PN-1", LotName: "LOT_VENDOR_A"},
+			{Vendor: "", Partnumber: "PN-1", LotName: "LOT_FALLBACK"},
+		},
+		[]models.Lot{{LotName: "LOT_VENDOR_A"}, {LotName: "LOT_FALLBACK"}},
+	)
+
+	lot, typ, err := matcher.ResolveWithVendor("PN-1", "VendorA")
+	if err != nil {
+		t.Fatalf("ResolveWithVendor exact error: %v", err)
+	}
+	if lot != "LOT_VENDOR_A" || typ != "mapping" {
+		t.Fatalf("expected vendor lot, got lot=%s typ=%s", lot, typ)
+	}
+
+	lot, typ, err = matcher.ResolveWithVendor("PN-1", "UnknownVendor")
+	if err != nil {
+		t.Fatalf("ResolveWithVendor fallback error: %v", err)
+	}
+	if lot != "LOT_FALLBACK" || typ != "mapping" {
+		t.Fatalf("expected fallback lot, got lot=%s typ=%s", lot, typ)
+	}
+}