Merge achamaikin/CCSModuleSW30Web upstream with fire alarm retained.

Take upstream board rev2, heater, and project cleanup; preserve fire alarm latch, CMD_FIRE_ALARM, and ESTOP maintenance logic.

Co-authored-by: Cursor <cursoragent@cursor.com>

Core/Inc/main.h

@@ -1,21 +1,5 @@
 /* USER CODE BEGIN Header */
-/**
-  ******************************************************************************
-  * @file           : main.h
-  * @brief          : Header for main.c file.
-  *                   This file contains the common defines of the application.
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2024 STMicroelectronics.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
+
 /* USER CODE END Header */
 
 /* Define to prevent recursive inclusion -------------------------------------*/
@@ -55,6 +39,8 @@ extern "C" {
 void Error_Handler(void);
 
 /* USER CODE BEGIN EFP */
+uint8_t ED_TraceWarning(uint8_t flag, uint8_t id);
+void ED_Delay(uint32_t Delay);
 
 /* USER CODE END EFP */
 
@@ -101,8 +87,12 @@ void Error_Handler(void);
 #define DBG5_GPIO_Port GPIOB
 #define DBG4_Pin GPIO_PIN_11
 #define DBG4_GPIO_Port GPIOB
+#define LED_DATA_Pin GPIO_PIN_9
+#define LED_DATA_GPIO_Port GPIOC
 #define RELAY_CC_Pin GPIO_PIN_15
 #define RELAY_CC_GPIO_Port GPIOA
+#define HEATER_Pin GPIO_PIN_12
+#define HEATER_GPIO_Port GPIOC
 #define RELAY_DC_Pin GPIO_PIN_3
 #define RELAY_DC_GPIO_Port GPIOD
 #define USART2_DIR_Pin GPIO_PIN_4