Update to support upstream weatherfeeder v0.12.1 and add ends field to the alerts schema

internal/adapters/inbound/httpapi/endpoints_test.go

@@ -324,12 +324,14 @@ func TestObservationUSUnitsChangesFieldNames(t *testing.T) {
 }
 
 func TestAlertsUSUnitsKeepSchema(t *testing.T) {
+	ends := time.Date(2026, 6, 11, 14, 0, 0, 0, time.UTC)
 	h := newHandler(t, &fakeService{
 		alerts: &model.WeatherAlertRun{
 			AsOf: time.Now().UTC(),
 			Alerts: []model.WeatherAlert{{
 				ID:       "abc",
 				Headline: "A headline",
+				Ends:     &ends,
 			}},
 		},
 	}, "/alerts/active")
@@ -359,6 +361,9 @@ func TestAlertsUSUnitsKeepSchema(t *testing.T) {
 	if first["id"] != "abc" {
 		t.Fatalf("expected alert id abc, got %#v", first["id"])
 	}
+	if _, ok := first["ends"].(string); !ok {
+		t.Fatalf("expected alert ends string, got %#v", first["ends"])
+	}
 }
 
 func TestAlertsRouteRegistered(t *testing.T) {
@@ -456,8 +461,10 @@ func TestAlertsTextOmitsInactiveAlertsAfterServiceFiltering(t *testing.T) {
 	activeAt := time.Date(2026, 6, 11, 12, 0, 0, 0, time.UTC)
 	setAlertNowForTest(t, activeAt)
 	effective := activeAt.Add(-1 * time.Hour)
-	activeExpires := activeAt.Add(1 * time.Hour)
-	expiredAtBoundary := activeAt
+	activeEnds := activeAt.Add(1 * time.Hour)
+	expiredEndsAtBoundary := activeAt
+	expiredProviderMetadata := activeAt.Add(-30 * time.Minute)
+	activeProviderMetadata := activeAt.Add(30 * time.Minute)
 	repo := &alertRepository{
 		alerts: &model.WeatherAlertRun{
 			AsOf: activeAt,
@@ -467,21 +474,23 @@ func TestAlertsTextOmitsInactiveAlertsAfterServiceFiltering(t *testing.T) {
 					Headline:    "Active warning",
 					MessageType: "Alert",
 					Effective:   &effective,
-					Expires:     &activeExpires,
+					Ends:        &activeEnds,
+					Expires:     &expiredProviderMetadata,
 				},
 				{
 					ID:          "expired-alert",
 					Headline:    "Expired warning",
 					MessageType: "Alert",
 					Effective:   &effective,
-					Expires:     &expiredAtBoundary,
+					Ends:        &expiredEndsAtBoundary,
+					Expires:     &activeProviderMetadata,
 				},
 				{
 					ID:          "canceled-alert",
 					Headline:    "Canceled warning",
 					MessageType: " cancel ",
 					Effective:   &effective,
-					Expires:     &activeExpires,
+					Ends:        &activeEnds,
 				},
 			},
 		},
@@ -496,7 +505,7 @@ func TestAlertsTextOmitsInactiveAlertsAfterServiceFiltering(t *testing.T) {
 		t.Fatalf("expected 200, got %d", w.Code)
 	}
 	body := w.Body.String()
-	for _, want := range []string{"Alerts: 1", "active-alert", "Active warning"} {
+	for _, want := range []string{"Alerts: 1", "active-alert", "Active warning", "Ends:"} {
 		if !strings.Contains(body, want) {
 			t.Fatalf("expected %q in text body, got %q", want, body)
 		}
@@ -2448,7 +2457,7 @@ func testRenderers(t *testing.T) *render.Registry {
 		"outlooks_convective.txt.tmpl":     "Convective Outlook\n{{if .Data}}Outlooks: {{len .Data.Outlooks}}\nDiscussions: {{len .Data.Discussions}}{{range .Data.Discussions}}\nDiscussion: {{.Discussion}}{{end}}{{else}}No convective outlook data available.{{end}}",
 		"weatherstories.txt.tmpl":          "Weather Stories",
 		"weatherstories_latest.txt.tmpl":   "Latest Weather Story",
-		"alerts_active.txt.tmpl":           "{{if .Data}}Active Alerts\nAlerts: {{len .Data.Alerts}}{{range .Data.Alerts}}\n{{.ID}}{{if .Headline}}\nHeadline: {{.Headline}}{{end}}{{end}}{{else}}No active alerts data available.{{end}}",
+		"alerts_active.txt.tmpl":           "{{if .Data}}Active Alerts\nAlerts: {{len .Data.Alerts}}{{range .Data.Alerts}}\n{{.ID}}{{if .Headline}}\nHeadline: {{.Headline}}{{end}}{{if .Ends}}\nEnds: {{.Ends}}{{end}}{{end}}{{else}}No active alerts data available.{{end}}",
 		"conditions_current.txt.tmpl":      "Conditions text",
 	} {
 		tmpl, err := template.New(name).Parse(body)