Update on Overleaf.

Software/components/core/include/core/CompanionChipStatus.hpp

@@ -0,0 +1,33 @@
+/**
+ * @file    CompanionChipStatus.hpp
+ * @brief   Boot-ready flags for Si4684, ADAU1701, and FSC-BT1035.
+ *
+ * DigiRadio firmware — https://github.com/manvalan/DigiRadio
+ *
+ * Copyright 2026 Michele Bigi
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * @author  Michele Bigi
+ * @date    2026-07-06
+ */
+#pragma once
+
+namespace core {
+
+/**
+ * @brief    CompanionChipStatus — companion-chip boot snapshot for /api/health.
+ *
+ * @dname    CompanionChipStatus
+ * @return   n/a (type)
+ * @pubstate Immutable aggregate; all true after successful HardwareBootstrap.
+ *
+ * @author   Michele Bigi
+ * @date     2026-07-06
+ */
+struct CompanionChipStatus {
+    bool si4684Ready;   ///< Si4684 HOST_LOAD completed.
+    bool adau1701Ready; ///< ADAU1701 SigmaStudio download completed.
+    bool bt1035Ready;   ///< BT1035 Line-In init (AT+AUXCFG=1) completed.
+};
+
+} // namespace core