Add a current conditions block to the briefing/data-package

internal/promptinput/package_test.go

@@ -34,6 +34,9 @@ func TestBuildDailyDataPackage(t *testing.T) {
 	if pkg.Briefing.Metadata.Location == nil || pkg.Briefing.Metadata.Location.Name != "Brentwood" {
 		t.Fatalf("Briefing.Metadata.Location = %#v, want configured location", pkg.Briefing.Metadata.Location)
 	}
+	if pkg.Briefing.CurrentConditions == nil || pkg.Briefing.CurrentConditions.ConditionText != "Partly cloudy" {
+		t.Fatalf("Briefing.CurrentConditions = %#v, want current conditions", pkg.Briefing.CurrentConditions)
+	}
 	if pkg.RecentChanges.Items == nil || len(pkg.RecentChanges.Items) != 0 {
 		t.Fatalf("RecentChanges.Items = %#v, want empty slice", pkg.RecentChanges.Items)
 	}
@@ -169,6 +172,9 @@ func validBriefingPackage() briefing.Package {
 				End:   time.Date(2026, 5, 30, 5, 0, 0, 0, time.UTC),
 			},
 		},
+		CurrentConditions: &briefing.CurrentConditionsContext{
+			ConditionText: "Partly cloudy",
+		},
 		Daily: &briefing.Daily{
 			ForecastSummaryDate: "2026-05-29",
 		},