chore: unify HA manufacturer and add refactor guards

test/check_ha_manufacturer.ps1

@@ -0,0 +1,37 @@
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).ProviderPath
+$configPath = (Resolve-Path (Join-Path $repoRoot "include/config.h")).ProviderPath
+$mqttPath = (Resolve-Path (Join-Path $repoRoot "src/mqtt_client.cpp")).ProviderPath
+
+$configText = Get-Content -Raw -Path $configPath
+if ($configText -notmatch 'HA_MANUFACTURER\[\]\s*=\s*"AcidBurns"\s*;') {
+  throw "include/config.h must define HA_MANUFACTURER as exactly ""AcidBurns""."
+}
+
+$mqttText = Get-Content -Raw -Path $mqttPath
+if ($mqttText -notmatch 'device\["manufacturer"\]\s*=\s*HA_MANUFACTURER\s*;') {
+  throw "src/mqtt_client.cpp must assign device[""manufacturer""] from HA_MANUFACTURER."
+}
+if ($mqttText -match 'device\["manufacturer"\]\s*=\s*"[^"]+"\s*;') {
+  throw "src/mqtt_client.cpp must not hardcode manufacturer string literals."
+}
+
+$roots = @(
+  Join-Path $repoRoot "src"
+  Join-Path $repoRoot "include"
+)
+
+$literalHits = Get-ChildItem -Path $roots -Recurse -File -Include *.c,*.cc,*.cpp,*.h,*.hpp |
+  Select-String -Pattern '"AcidBurns"' |
+  Where-Object { (Resolve-Path $_.Path).ProviderPath -ne $configPath }
+
+if ($literalHits) {
+  $details = $literalHits | ForEach-Object {
+    "$($_.Path):$($_.LineNumber)"
+  }
+  throw "Unexpected hardcoded ""AcidBurns"" literal(s) outside include/config.h:`n$($details -join "`n")"
+}
+
+Write-Host "HA manufacturer drift check passed."

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() {}
+