Add Tasmota timezone handling and dashboard updates

internal/parser/tasmota_test.go

@@ -85,6 +85,29 @@ func TestParseTasmotaFixtures(t *testing.T) {
 	}
 }
 
+func TestParseTasmotaInLocationUsesConfiguredTimezoneForTimezoneLessTime(t *testing.T) {
+	location := time.FixedZone("CET", 3600)
+	receivedAt := time.Date(2026, time.March, 16, 11, 55, 30, 0, time.UTC)
+
+	records, err := ParseTasmotaInLocation(model.RawMessage{
+		Topic:      "tele/tasmota_67850B/SENSOR",
+		Payload:    []byte(`{"Time":"2026-03-16T11:55:29","ENERGY":{"Power":9}}`),
+		ReceivedAt: receivedAt,
+	}, location)
+	if err != nil {
+		t.Fatalf("ParseTasmotaInLocation returned error: %v", err)
+	}
+
+	if len(records) != 1 {
+		t.Fatalf("expected 1 record, got %d", len(records))
+	}
+
+	want := time.Date(2026, time.March, 16, 10, 55, 29, 0, time.UTC)
+	if !records[0].Timestamp.Equal(want) {
+		t.Fatalf("unexpected timestamp: got %s want %s", records[0].Timestamp.Format(time.RFC3339), want.Format(time.RFC3339))
+	}
+}
+
 func fieldEquals(got any, want any) bool {
 	switch typedWant := want.(type) {
 	case float64: