Added a field with the current local date to the data package

internal/promptinput/package_test.go

@@ -28,6 +28,9 @@ func TestBuildDailyDataPackage(t *testing.T) {
 	if pkg.Report.PromptID != "weather.daily_report" {
 		t.Fatalf("PromptID = %q, want weather.daily_report", pkg.Report.PromptID)
 	}
+	if pkg.Report.CurrentLocalDate != "2026-05-29" {
+		t.Fatalf("CurrentLocalDate = %q, want 2026-05-29", pkg.Report.CurrentLocalDate)
+	}
 	if pkg.Briefing.Daily == nil {
 		t.Fatal("Briefing.Daily = nil")
 	}
@@ -42,6 +45,34 @@ func TestBuildDailyDataPackage(t *testing.T) {
 	}
 }
 
+func TestBuildCurrentLocalDateUsesReportTimezone(t *testing.T) {
+	briefingPackage := validBriefingPackage()
+	briefingPackage.Metadata.GeneratedAt = time.Date(2026, 5, 30, 2, 30, 0, 0, time.UTC)
+	briefingPackage.Metadata.Timezone = "America/Chicago"
+
+	pkg, err := Build(briefingPackage)
+	if err != nil {
+		t.Fatalf("Build() error = %v", err)
+	}
+
+	if pkg.Report.CurrentLocalDate != "2026-05-29" {
+		t.Fatalf("CurrentLocalDate = %q, want local Chicago date 2026-05-29", pkg.Report.CurrentLocalDate)
+	}
+}
+
+func TestBuildRejectsInvalidReportTimezone(t *testing.T) {
+	briefingPackage := validBriefingPackage()
+	briefingPackage.Metadata.Timezone = "Not/AZone"
+
+	_, err := Build(briefingPackage)
+	if err == nil {
+		t.Fatal("Build() error = nil, want invalid timezone error")
+	}
+	if !strings.Contains(err.Error(), "report timezone") {
+		t.Fatalf("error = %q, want report timezone context", err.Error())
+	}
+}
+
 func TestValidateRequiresFields(t *testing.T) {
 	pkg, err := Build(validBriefingPackage())
 	if err != nil {
@@ -58,6 +89,22 @@ func TestValidateRequiresFields(t *testing.T) {
 	}
 }
 
+func TestValidateRequiresCurrentLocalDate(t *testing.T) {
+	pkg, err := Build(validBriefingPackage())
+	if err != nil {
+		t.Fatalf("Build() error = %v", err)
+	}
+	pkg.Report.CurrentLocalDate = ""
+
+	err = Validate(pkg)
+	if err == nil {
+		t.Fatal("Validate() error = nil, want required field error")
+	}
+	if !strings.Contains(err.Error(), "currentLocalDate") {
+		t.Fatalf("error = %q, want currentLocalDate context", err.Error())
+	}
+}
+
 func TestBuildThreeDayDataPackage(t *testing.T) {
 	briefingPackage := validBriefingPackage()
 	briefingPackage.Metadata.RunID = "20260529T100000Z_three_day"