Add cross-office NWS forecast discussion coverage

internal/providers/nws/forecast_discussion_test.go

@@ -553,6 +553,60 @@ func TestParseForecastDiscussionTextSectionKeepsArbitraryDashedProse(t *testing.
 	}
 }
 
+func TestParseForecastDiscussionHTMLParsesCrossOfficeLayout(t *testing.T) {
+	got, err := ParseForecastDiscussionHTML(loadForecastDiscussionBOUSampleHTML(t))
+	if err != nil {
+		t.Fatalf("ParseForecastDiscussionHTML() error = %v", err)
+	}
+	if got.OfficeID != "BOU" || got.OfficeName != "National Weather Service Denver CO" {
+		t.Fatalf("OfficeID=%q OfficeName=%q", got.OfficeID, got.OfficeName)
+	}
+	wantIssuedAt := time.Date(2026, 4, 7, 19, 0, 0, 0, time.UTC)
+	if !got.IssuedAt.Equal(wantIssuedAt) {
+		t.Fatalf("IssuedAt = %s, want %s", got.IssuedAt.Format(time.RFC3339), wantIssuedAt.Format(time.RFC3339))
+	}
+	wantMessages := []string{
+		"Strong winds are expected along the Front Range this evening.",
+		"Cooler temperatures arrive on Wednesday.",
+	}
+	if !reflect.DeepEqual(got.KeyMessages, wantMessages) {
+		t.Fatalf("KeyMessages = %#v, want %#v", got.KeyMessages, wantMessages)
+	}
+
+	if got.ShortTerm == nil {
+		t.Fatalf("ShortTerm is nil")
+	}
+	if got.ShortTerm.Qualifier != "(Tonight through Wednesday)" {
+		t.Fatalf("ShortTerm.Qualifier = %q", got.ShortTerm.Qualifier)
+	}
+	if got.ShortTerm.IssuedAt == nil || !got.ShortTerm.IssuedAt.Equal(wantIssuedAt) {
+		t.Fatalf("ShortTerm.IssuedAt = %v, want %s", got.ShortTerm.IssuedAt, wantIssuedAt.Format(time.RFC3339))
+	}
+	if got.ShortTerm.Text != "Gusty west winds will continue through the evening before decreasing overnight." {
+		t.Fatalf("ShortTerm.Text = %q", got.ShortTerm.Text)
+	}
+
+	if got.LongTerm == nil {
+		t.Fatalf("LongTerm is nil")
+	}
+	if got.LongTerm.Qualifier != "(Thursday through Saturday)" {
+		t.Fatalf("LongTerm.Qualifier = %q", got.LongTerm.Qualifier)
+	}
+	if got.LongTerm.IssuedAt == nil || !got.LongTerm.IssuedAt.Equal(wantIssuedAt) {
+		t.Fatalf("LongTerm.IssuedAt = %v, want %s", got.LongTerm.IssuedAt, wantIssuedAt.Format(time.RFC3339))
+	}
+	if got.LongTerm.Text != "Warmer and drier conditions return Thursday, followed by a chance of showers Friday." {
+		t.Fatalf("LongTerm.Text = %q", got.LongTerm.Text)
+	}
+
+	allText := strings.Join(append(append([]string(nil), got.KeyMessages...), got.ShortTerm.Text, got.LongTerm.Text), "\n")
+	for _, unwanted := range []string{"Changed Discussion", "Updated at", "Issued at", "ISSUED AT", "AVIATION", "VFR conditions"} {
+		if strings.Contains(allText, unwanted) {
+			t.Fatalf("parsed content includes %q: %q", unwanted, allText)
+		}
+	}
+}
+
 func TestParseForecastDiscussionHTMLParsesExpectedFields(t *testing.T) {
 	raw := loadForecastDiscussionSampleHTML(t)
 
@@ -707,6 +761,17 @@ func loadForecastDiscussionSampleHTML(t *testing.T) string {
 	return string(b)
 }
 
+func loadForecastDiscussionBOUSampleHTML(t *testing.T) string {
+	t.Helper()
+
+	path := filepath.Join("testdata", "forecast_discussion_bou_sample.html")
+	b, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatalf("os.ReadFile(%q) error = %v", path, err)
+	}
+	return string(b)
+}
+
 func loadMixedFormatForecastDiscussionSampleHTML(t *testing.T) string {
 	t.Helper()