Update on Overleaf.

Software/components/core/include/core/HealthStatus.hpp

@@ -18,6 +18,9 @@
 #pragma once
 
 #include "core/FirmwareVersion.hpp"
+#include "core/CompanionChipStatus.hpp"
+
+#include <optional>
 
 namespace core {
 
@@ -64,6 +67,21 @@ public:
      */
     [[nodiscard]] static HealthStatus ok(FirmwareVersion firmware);
 
+    /**
+     * @brief    ok — build health response including companion-chip flags.
+     *
+     * @dname    ok
+     * @param    firmware  Active firmware version to report.
+     * @param    chips     Si4684 / ADAU1701 / BT1035 boot snapshot.
+     * @return   HealthStatus with HealthState::Ok and chips populated.
+     * @pubstate none
+     *
+     * @author   Michele Bigi
+     * @date     2026-07-06
+     */
+    [[nodiscard]] static HealthStatus ok(FirmwareVersion firmware,
+                                       CompanionChipStatus chips);
+
     /**
      * @brief    state — read the health indicator.
      *
@@ -88,11 +106,28 @@ public:
      */
     [[nodiscard]] const FirmwareVersion& firmware() const noexcept;
 
+    /**
+     * @brief    chips — optional companion-chip boot flags.
+     *
+     * @dname    chips
+     * @return   Chip status when set by ok(..., chips); otherwise nullopt.
+     * @pubstate reads chips_.
+     *
+     * @author   Michele Bigi
+     * @date     2026-07-06
+     */
+    [[nodiscard]] const std::optional<CompanionChipStatus>& chips() const
+        noexcept;
+
 private:
     explicit HealthStatus(HealthState state, FirmwareVersion firmware);
 
+    explicit HealthStatus(HealthState state, FirmwareVersion firmware,
+                          CompanionChipStatus chips);
+
     HealthState state_;
     FirmwareVersion firmware_;
+    std::optional<CompanionChipStatus> chips_;
 };
 
 } // namespace core

Software/components/core/src/HealthStatus.cpp

@@ -7,11 +7,6 @@
  * Copyright 2026 Michele Bigi
  * SPDX-License-Identifier: Apache-2.0
  *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
  * @author  Michele Bigi
  * @date    2026-07-06
  */
@@ -25,9 +20,24 @@ HealthStatus HealthStatus::ok(FirmwareVersion firmware)
     return HealthStatus(HealthState::Ok, std::move(firmware));
 }
 
+HealthStatus HealthStatus::ok(FirmwareVersion firmware,
+                              CompanionChipStatus chips)
+{
+    return HealthStatus(HealthState::Ok, std::move(firmware), chips);
+}
+
 HealthStatus::HealthStatus(HealthState state, FirmwareVersion firmware)
     : state_(state)
     , firmware_(std::move(firmware))
+    , chips_(std::nullopt)
+{
+}
+
+HealthStatus::HealthStatus(HealthState state, FirmwareVersion firmware,
+                           CompanionChipStatus chips)
+    : state_(state)
+    , firmware_(std::move(firmware))
+    , chips_(chips)
 {
 }
 
@@ -41,4 +51,9 @@ const FirmwareVersion& HealthStatus::firmware() const noexcept
     return firmware_;
 }
 
+const std::optional<CompanionChipStatus>& HealthStatus::chips() const noexcept
+{
+    return chips_;
+}
+
 } // namespace core

Software/components/core/test/health_status_test.cpp

@@ -17,6 +17,7 @@
  */
 
 #include "core/FirmwareVersion.hpp"
+#include "core/CompanionChipStatus.hpp"
 #include "core/HealthStatus.hpp"
 #include "core/HealthStatusJson.hpp"
 
@@ -85,5 +86,22 @@ namespace {
  */
 int main()
 {
-    return runHealthStatusJsonTest();
+    if (runHealthStatusJsonTest() != EXIT_SUCCESS) {
+        return EXIT_FAILURE;
+    }
+
+    const core::HealthStatus withChips = core::HealthStatus::ok(
+        core::FirmwareVersion("0.6.0"),
+        core::CompanionChipStatus{
+            .si4684Ready = true,
+            .adau1701Ready = true,
+            .bt1035Ready = true,
+        });
+    const std::string chipsJson = core::serializeHealthStatusJson(withChips);
+    if (!expectEqual(
+            chipsJson,
+            R"({"status":"ok","fw":"0.6.0","chips":{"si4684":true,"adau1701":true,"bt1035":true}})")) {
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
 }

Software/docs/manual/ch-api.tex

@@ -36,13 +36,16 @@ Returns a health-check DTO serialised by
 
 \begin{drnote}[Response schema]
 \begin{drcode}[JSON]
-{"status":"ok","fw":"0.5.0"}
+{"status":"ok","fw":"0.6.0",
+ "chips":{"si4684":true,"adau1701":true,"bt1035":true}}
 \end{drcode}
 \begin{itemize}
   \item \texttt{status} --- coarse indicator; \texttt{ok} when the
         firmware is running normally.
   \item \texttt{fw} --- firmware release string
         (\texttt{core::FirmwareVersion}).
+  \item \texttt{chips} --- companion-chip boot flags after
+        \texttt{HardwareBootstrap::boot()} (Slice~8 integration).
 \end{itemize}
 \end{drnote}
 

Software/main/hardware_bootstrap.cpp

@@ -115,4 +115,13 @@ audio::AudioService& HardwareBootstrap::audioService()
     return gAudioService;
 }
 
+core::CompanionChipStatus HardwareBootstrap::companionChipStatus() noexcept
+{
+    return core::CompanionChipStatus{
+        .si4684Ready = gSi4684.isBooted(),
+        .adau1701Ready = gAdau1701.isBooted(),
+        .bt1035Ready = gBt1035.isBooted(),
+    };
+}
+
 } // namespace hardware

Software/main/main.cpp

@@ -61,7 +61,8 @@ extern "C" void app_main()
     static secure_store::NvsSecureStore store;
 
     auto netResult = net::NetBootstrap::start(
-        store, tunerService, hardware::HardwareBootstrap::audioService());
+        store, tunerService, hardware::HardwareBootstrap::audioService(),
+        hardware::HardwareBootstrap::companionChipStatus());
     if (!netResult) {
         ESP_LOGE(kTag, "network bootstrap failed");
         return;