feat(device): H2C/A2L device layer

Nozzle rack data model and device-tab panel, multi-nozzle sync, per-nozzle filament blacklist, and print-dispatch nozzle mapping (DevNozzleMappingCtrl V0/V1).

src/slic3r/GUI/DeviceCore/DevFilaSwitch.h

@@ -0,0 +1,92 @@
+#pragma once
+#include "DevDefs.h"
+#include <optional>
+#include <nlohmann/json.hpp>
+
+namespace Slic3r
+{
+    // Previous definitions
+class MachineObject;
+class DevExtder;
+class DevAmsTray;
+
+// Filament Track Switch (H2-family hardware).
+// The filament blacklist consumes IsInstalled() for the `has_filament_switch`
+// rule (e.g. PLA Silk). m_is_installed defaults to false and is only raised when
+// the device reports the switch over MQTT (aux bit 29), so the rule stays inert on
+// every printer that does not report an installed switch.
+class DevFilaSwitch
+{
+public:
+    enum class CaliStatus : int
+    {
+        CALI_IDLE = 0,
+        CALI_STEPING = 1,
+    };
+
+    enum class CaliStep : int
+    {
+        CALI_IDLE = 0,
+        CALI_SWITCHING = 1,
+        CALI_SWITCH_CHECK = 2,
+        CALI_FILA_CHECK = 3,
+        CALI_FILA_TO_AMS = 4,
+        CALI_FILA_TO_SWITCH = 5,
+        CALI_FILA_BACK = 9,
+        CALI_FINISHED = 14,
+    };
+
+    enum SwitchPos : int
+    {
+        POS_IN_B = 0,
+        POS_IN_A = 1,
+    };
+
+public:
+    DevFilaSwitch(MachineObject* owner);
+    virtual ~DevFilaSwitch() = default;
+
+public:
+    bool IsInstalled() const { return m_is_installed; };
+
+    std::optional<bool> IsInA_HasFilament() const { return m_in_a_has_filament; };
+    std::optional<bool> IsInB_HasFilament() const { return m_in_b_has_filament; };
+
+    std::optional<DevAmsTray> GetInA_Slot() const;
+    std::optional<DevAmsTray> GetInB_Slot() const;
+    std::optional<DevAmsSlotId> GetInA_SlotId() const { return m_in_a_slot; };
+    std::optional<DevAmsSlotId> GetInB_SlotId() const { return m_in_b_slot; };
+
+    std::optional<DevExtder> GetOutA_Extruder() const;
+    std::optional<DevExtder> GetOutB_Extruder() const;
+    std::optional<int> GetOutA_ExtruderId() const { return m_out_a_extruder_id; };
+    std::optional<int> GetOutB_ExtruderId() const { return m_out_b_extruder_id; };
+
+    CaliStatus GetCaliStatus() const { return m_cali_status; };
+
+    void Reset();
+    void ParseFilaSwitchInfo(const nlohmann::json& print_jj);
+
+    // NOTE: an IsReady() accessor is intentionally omitted. It would walk
+    // GetFilaSystem()->GetAmsList() calling GetBindedExtruderSet()/GetSwitcherPos(),
+    // AMS filament-switch binding accessors Orca's DevFilaSystem does not yet carry.
+    // It is unused by the filament blacklist; port it alongside the filament-switch
+    // device-sync UI that needs those accessors.
+
+private:
+    MachineObject* m_owner;
+
+    bool m_is_installed = false;
+
+    std::optional<bool> m_in_a_has_filament;
+    std::optional<bool> m_in_b_has_filament;
+
+    std::optional<DevAmsSlotId> m_in_a_slot;
+    std::optional<DevAmsSlotId> m_in_b_slot;
+
+    std::optional<int> m_out_a_extruder_id;
+    std::optional<int> m_out_b_extruder_id;
+
+    CaliStatus m_cali_status = CaliStatus::CALI_IDLE;
+};
+};