Added a location block to the data package

internal/state/filesystem_test.go

@@ -122,6 +122,9 @@ func TestSaveArtifactsAndMetadataRoundTrip(t *testing.T) {
 	if decoded.RenderedReportPath != renderedReportPath {
 		t.Fatalf("RenderedReportPath = %q, want %q", decoded.RenderedReportPath, renderedReportPath)
 	}
+	if decoded.Location == nil || decoded.Location.Name != "Brentwood" || decoded.Location.Timezone != "America/Chicago" {
+		t.Fatalf("metadata location = %#v, want briefing location", decoded.Location)
+	}
 	if strings.Contains(string(data), "MetadataPath") || strings.Contains(string(data), "metadataPath") {
 		t.Fatalf("metadata JSON includes runtime-only MetadataPath:\n%s", string(data))
 	}
@@ -437,7 +440,13 @@ func stateBriefingPackage(resolved report.Resolved) briefing.Package {
 			GeneratedAt:   resolved.GeneratedAt,
 			Units:         "us",
 			Timezone:      resolved.Timezone,
-			ValidPeriod:   resolved.ValidPeriod,
+			Location: &briefing.LocationContext{
+				ID:       "home",
+				Name:     "Brentwood",
+				Region:   "St. Louis Metro",
+				Timezone: resolved.Timezone,
+			},
+			ValidPeriod: resolved.ValidPeriod,
 		},
 		Daily: &briefing.Daily{ForecastSummaryDate: "2026-05-29"},
 	}