Implemented weather stories support

internal/adapters/outbound/postgres/repository_test.go

@@ -160,6 +160,63 @@ func TestMapDiscussionKeyMessagesPreserveOrder(t *testing.T) {
 	}
 }
 
+func TestMapWeatherStoryRunParentRowNullables(t *testing.T) {
+	asOf := time.Date(2026, 5, 30, 9, 0, 34, 0, time.FixedZone("CDT", -5*3600))
+	run := mapWeatherStoryRunParentRow(weatherStoryRunParentRow{
+		EventID:  "evt-story-run",
+		OfficeID: sql.NullString{String: "LSX", Valid: true},
+		AsOf:     asOf,
+	})
+
+	if run.OfficeID != "LSX" {
+		t.Fatalf("expected office id LSX, got %q", run.OfficeID)
+	}
+	if run.AsOf.Location().String() != "UTC" {
+		t.Fatalf("expected asOf to be UTC-normalized, got %v", run.AsOf)
+	}
+	if run.Stories != nil {
+		t.Fatalf("expected nil stories before child load, got %+v", run.Stories)
+	}
+}
+
+func TestMapWeatherStoryRowMapsFields(t *testing.T) {
+	start := time.Date(2026, 5, 30, 8, 46, 0, 0, time.FixedZone("CDT", -5*3600))
+	end := time.Date(2026, 5, 31, 11, 0, 0, 0, time.FixedZone("CDT", -5*3600))
+	updated := time.Date(2026, 5, 30, 9, 0, 34, 0, time.FixedZone("CDT", -5*3600))
+	story := mapWeatherStoryRow(weatherStoryRow{
+		StoryIndex:  2,
+		OfficeID:    sql.NullString{String: "LSX", Valid: true},
+		StartTime:   start,
+		EndTime:     end,
+		UpdatedAt:   updated,
+		Title:       sql.NullString{String: "Several Chances for Rain Through Monday", Valid: true},
+		Description: sql.NullString{String: "Scattered showers and thunderstorms.", Valid: true},
+		AltText:     sql.NullString{String: "Forecast slide.", Valid: true},
+		Priority:    true,
+		StoryOrder:  1,
+		DownloadURL: sql.NullString{String: "https://api.weather.gov/offices/LSX/weatherstories/download/story-1", Valid: true},
+	})
+
+	if story.OfficeID != "LSX" {
+		t.Fatalf("expected office id LSX, got %q", story.OfficeID)
+	}
+	if story.Title != "Several Chances for Rain Through Monday" {
+		t.Fatalf("unexpected title: %q", story.Title)
+	}
+	if !story.Priority {
+		t.Fatalf("expected priority true")
+	}
+	if story.Order != 1 {
+		t.Fatalf("expected order 1, got %d", story.Order)
+	}
+	if story.DownloadURL == "" {
+		t.Fatalf("expected download URL")
+	}
+	if story.StartTime.Location().String() != "UTC" || story.EndTime.Location().String() != "UTC" || story.UpdatedAt.Location().String() != "UTC" {
+		t.Fatalf("expected story timestamps to be UTC-normalized, got %s %s %s", story.StartTime, story.EndTime, story.UpdatedAt)
+	}
+}
+
 func TestAttachAlertReferencesPreservesOrder(t *testing.T) {
 	sent1 := time.Date(2026, 3, 20, 1, 0, 0, 0, time.UTC)
 	sent2 := sent1.Add(10 * time.Minute)