Improve autofill status feedback

autofillcache/cache_test.go

@@ -156,6 +156,49 @@ func TestMatchRejectsAmbiguousSharedHost(t *testing.T) {
 	}
 }
 
+func TestResolveReportsFoundAmbiguousAndMissingStatuses(t *testing.T) {
+	t.Parallel()
+
+	cache := File{
+		Entries: []Entry{
+			{
+				ID:       "one",
+				Title:    "Admin Login",
+				Username: "admin",
+				Password: "secret1",
+				URL:      "https://example.com/admin",
+				Host:     "example.com",
+			},
+			{
+				ID:       "two",
+				Title:    "Shared Login A",
+				Username: "shared-a",
+				Password: "secret2",
+				URL:      "https://shared.example.com",
+				Host:     "shared.example.com",
+			},
+			{
+				ID:       "three",
+				Title:    "Shared Login B",
+				Username: "shared-b",
+				Password: "secret3",
+				URL:      "https://shared.example.com",
+				Host:     "shared.example.com",
+			},
+		},
+	}
+
+	if got := Resolve(cache, "https://example.com/admin/login"); got.Status != MatchStatusFound || got.Entry.ID != "one" {
+		t.Fatalf("Resolve(found) = %#v, want found entry one", got)
+	}
+	if got := Resolve(cache, "https://shared.example.com"); got.Status != MatchStatusAmbiguous {
+		t.Fatalf("Resolve(ambiguous) = %#v, want ambiguous", got)
+	}
+	if got := Resolve(cache, "https://nowhere.invalid"); got.Status != MatchStatusMissing {
+		t.Fatalf("Resolve(missing) = %#v, want missing", got)
+	}
+}
+
 func TestMatchChoosesLongestPathPrefix(t *testing.T) {
 	t.Parallel()