Moved code to dolphin for network

src/duskdolphin/network/networkdolphin.h

@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "error/error.h"
+#include "network/networkinfo.h"
+#include <network.h>
+
+#define NETWORK_DOLPHIN_IP_MAX 16
+
+typedef struct {
+  char_t ip[NETWORK_DOLPHIN_IP_MAX];
+  char_t netmask[NETWORK_DOLPHIN_IP_MAX];
+  char_t gateway[NETWORK_DOLPHIN_IP_MAX];
+
+  void *onConnectedUser;
+  void (*onConnected)(void *user);
+  void (*onFailed)(errorret_t error, void *user);
+} networkdolphin_t;
+
+/**
+ * Initializes the Wii network stack via IOS. Does not connect; use
+ * networkDolphinRequestConnection for that.
+ *
+ * @return Error state (if any).
+ */
+errorret_t networkDolphinInit();
+
+/**
+ * Called each frame. No-op on Wii since connection is synchronous.
+ *
+ * @return Error state (if any).
+ */
+errorret_t networkDolphinUpdate();
+
+/**
+ * Disposes the Wii network stack.
+ *
+ * @return Error state (if any).
+ */
+errorret_t networkDolphinDispose();
+
+/**
+ * Returns true if the Wii is connected to a network.
+ *
+ * @return True if connected.
+ */
+bool_t networkDolphinIsConnected();
+
+/**
+ * Requests the Wii to connect to the network using the Wi-Fi settings saved
+ * in the Wii System Menu. Blocks until connected or failed.
+ *
+ * @param onConnected Callback on successful connection.
+ * @param onFailed Callback if connection fails.
+ * @param onDisconnect Callback when connection is later lost.
+ * @param user User data passed to all callbacks.
+ */
+void networkDolphinRequestConnection(
+  void (*onConnected)(void *user),
+  void (*onFailed)(errorret_t error, void *user),
+  void (*onDisconnect)(errorret_t error, void *user),
+  void *user
+);
+
+/**
+ * Requests the Wii to disconnect from the network.
+ *
+ * @param onComplete Callback when disconnection is complete.
+ * @param user User data passed to the callback.
+ */
+void networkDolphinRequestDisconnection(
+  void (*onComplete)(void *user),
+  void *user
+);
+
+/**
+ * Returns the current network IP information.
+ *
+ * @return Network info for the active connection.
+ */
+networkinfo_t networkDolphinGetInfo();