Add convective outlook presentation

internal/adapters/inbound/httpapi/presenter/payload_test.go

@@ -430,6 +430,110 @@ func TestForecastPayloadLatitudeLongitudeNotRounded(t *testing.T) {
 	assertApprox(t, us.Longitude, -90.199456, 0.000001)
 }
 
+func TestOutlookRunPayloadNilInputReturnsNil(t *testing.T) {
+	if OutlookRunPayload(nil, UnitsUS, time.UTC) != nil {
+		t.Fatalf("expected nil outlook run input to return nil payload")
+	}
+}
+
+func TestOutlookRunPayloadTimezoneConversionAndCopySemantics(t *testing.T) {
+	loc := time.FixedZone("UTC-05:00", -5*60*60)
+	asOf := time.Date(2026, 6, 11, 18, 0, 0, 0, time.UTC)
+	issuedAt := asOf.Add(-1 * time.Hour)
+	severityRank := 5
+	latitude := 38.627123
+	longitude := -90.199456
+	geometry := json.RawMessage(`{"type":"Point","coordinates":[-90.2,38.6]}`)
+	run := &model.WeatherOutlookRun{
+		LocationID:   "stl",
+		LocationName: "St. Louis",
+		Latitude:     &latitude,
+		Longitude:    &longitude,
+		AsOf:         asOf,
+		IssuedAt:     &issuedAt,
+		Outlooks: []model.WeatherOutlook{{
+			ID:               "cat-1",
+			Provider:         "spc",
+			Product:          "convective",
+			Day:              1,
+			OutlookType:      "categorical",
+			Label:            "SLGT",
+			LabelText:        "Slight Risk",
+			SeverityRank:     &severityRank,
+			ValidFrom:        asOf,
+			ValidTo:          asOf.Add(6 * time.Hour),
+			IssuedAt:         issuedAt,
+			ExpiresAt:        asOf.Add(6 * time.Hour),
+			Forecaster:       "DIAL",
+			Headline:         "Severe storms possible",
+			Summary:          "Scattered severe storms are possible.",
+			Discussion:       "Discussion text.",
+			SourceURL:        "https://example.test/source",
+			ImageURL:         "https://example.test/image.png",
+			ContainsLocation: true,
+			Geometry:         geometry,
+		}},
+	}
+
+	payload := OutlookRunPayload(run, UnitsUS, loc)
+	out, ok := payload.(*model.WeatherOutlookRun)
+	if !ok {
+		t.Fatalf("expected *model.WeatherOutlookRun payload, got %T", payload)
+	}
+	if out == run {
+		t.Fatalf("expected outlook run payload to be copied")
+	}
+	if out.Latitude == run.Latitude || out.Longitude == run.Longitude || out.IssuedAt == run.IssuedAt {
+		t.Fatalf("expected run pointers to be copied")
+	}
+	if len(out.Outlooks) != 1 {
+		t.Fatalf("expected one outlook, got %d", len(out.Outlooks))
+	}
+	if out.Outlooks[0].SeverityRank == run.Outlooks[0].SeverityRank {
+		t.Fatalf("expected severity rank pointer to be copied")
+	}
+	if &out.Outlooks[0].Geometry[0] == &run.Outlooks[0].Geometry[0] {
+		t.Fatalf("expected geometry bytes to be copied")
+	}
+
+	assertOffsetSeconds(t, out.AsOf, -5*60*60)
+	assertOffsetSeconds(t, *out.IssuedAt, -5*60*60)
+	assertOffsetSeconds(t, out.Outlooks[0].ValidFrom, -5*60*60)
+	assertOffsetSeconds(t, out.Outlooks[0].ValidTo, -5*60*60)
+	assertOffsetSeconds(t, out.Outlooks[0].IssuedAt, -5*60*60)
+	assertOffsetSeconds(t, out.Outlooks[0].ExpiresAt, -5*60*60)
+	if !out.AsOf.UTC().Equal(asOf) || !out.Outlooks[0].ValidFrom.UTC().Equal(asOf) {
+		t.Fatalf("expected timezone conversion to preserve instants")
+	}
+
+	if *out.Latitude != latitude || *out.Longitude != longitude {
+		t.Fatalf("expected latitude/longitude preserved, got %v %v", out.Latitude, out.Longitude)
+	}
+	if out.Outlooks[0].SeverityRank == nil || *out.Outlooks[0].SeverityRank != severityRank {
+		t.Fatalf("expected severity rank preserved, got %v", out.Outlooks[0].SeverityRank)
+	}
+	if string(out.Outlooks[0].Geometry) != string(geometry) {
+		t.Fatalf("expected geometry bytes preserved, got %s", out.Outlooks[0].Geometry)
+	}
+
+	*out.Latitude = 99
+	*out.Longitude = -99
+	*out.IssuedAt = time.Date(2030, 1, 1, 0, 0, 0, 0, time.UTC)
+	*out.Outlooks[0].SeverityRank = 99
+	out.Outlooks[0].Geometry[0] = '['
+	if *run.Latitude != latitude || *run.Longitude != longitude || !run.IssuedAt.Equal(issuedAt) {
+		t.Fatalf("expected source run pointers not to mutate")
+	}
+	if *run.Outlooks[0].SeverityRank != severityRank {
+		t.Fatalf("expected source severity rank not to mutate")
+	}
+	if string(run.Outlooks[0].Geometry) != string(geometry) {
+		t.Fatalf("expected source geometry not to mutate, got %s", run.Outlooks[0].Geometry)
+	}
+	assertOffsetSeconds(t, run.AsOf, 0)
+	assertOffsetSeconds(t, run.Outlooks[0].ValidFrom, 0)
+}
+
 func float64Ptr(v float64) *float64 {
 	return &v
 }