Add Classified Brief 0x02 and remove hardcoded toolchains

0x0014a_cb/include/safe_arm.h

@@ -0,0 +1,24 @@
+/**
+ * @file safe_arm.h
+ * @brief Electronic Safe-and-Arm (ESA) controller interface
+ * @author Kevin Thomas
+ * @date 2026
+ *
+ * MIT License
+ * Copyright (c) 2026 Kevin Thomas
+ */
+
+#ifndef SAFE_ARM_H
+#define SAFE_ARM_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#define STATE_WARHEAD_ARMED 0x01
+#define STATE_WARHEAD_SAFE  0x03
+#define STATE_TAMPER_TRIP   0xFF
+
+void init_safe_arm_controller(void);
+void process_safe_arm_tick(void);
+
+#endif /* SAFE_ARM_H */