chore: unify HA manufacturer and add refactor guards

test/test_refactor_smoke/test_refactor_smoke.cpp

@@ -0,0 +1,41 @@
+#include <Arduino.h>
+#include <unity.h>
+
+#include "../../src/app_context.h"
+#include "../../src/receiver_pipeline.h"
+#include "../../src/sender_state_machine.h"
+#include "config.h"
+
+static void test_refactor_headers_and_types() {
+  SenderStateMachineConfig sender_cfg = {};
+  sender_cfg.short_id = 0xF19C;
+  sender_cfg.device_id = "dd3-F19C";
+
+  ReceiverSharedState shared = {};
+  ReceiverPipelineConfig receiver_cfg = {};
+  receiver_cfg.short_id = 0xF19C;
+  receiver_cfg.device_id = "dd3-F19C";
+  receiver_cfg.shared = &shared;
+
+  SenderStateMachine sender_sm;
+  ReceiverPipeline receiver_pipe;
+
+  TEST_ASSERT_EQUAL_UINT16(0xF19C, sender_cfg.short_id);
+  TEST_ASSERT_NOT_NULL(receiver_cfg.shared);
+  (void)sender_sm;
+  (void)receiver_pipe;
+}
+
+static void test_ha_manufacturer_constant() {
+  TEST_ASSERT_EQUAL_STRING("AcidBurns", HA_MANUFACTURER);
+}
+
+void setup() {
+  UNITY_BEGIN();
+  RUN_TEST(test_refactor_headers_and_types);
+  RUN_TEST(test_ha_manufacturer_constant);
+  UNITY_END();
+}
+
+void loop() {}
+