ObsidianDragon - DragonX ImGui Wallet

Full-node GUI wallet for DragonX cryptocurrency.
Built with Dear ImGui, SDL3, and OpenGL3/DX11.

Features:
- Send/receive shielded and transparent transactions
- Autoshield with merged transaction display
- Built-in CPU mining (xmrig)
- Peer management and network monitoring
- Wallet encryption with PIN lock
- QR code generation for receive addresses
- Transaction history with pagination
- Console for direct RPC commands
- Cross-platform (Linux, Windows)

src/util/i18n.h

@@ -0,0 +1,79 @@
+// DragonX Wallet - ImGui Edition
+// Copyright 2024-2026 The Hush Developers
+// Released under the GPLv3
+
+#pragma once
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace dragonx {
+namespace util {
+
+/**
+ * @brief Internationalization support
+ * 
+ * Simple string table implementation for translating UI text.
+ * Strings are stored in JSON files in res/lang/ directory.
+ */
+class I18n {
+public:
+    /**
+     * @brief Get the singleton instance
+     */
+    static I18n& instance();
+    
+    /**
+     * @brief Load a language file
+     * @param locale Language code (e.g., "en", "es", "zh")
+     * @return true if loaded successfully
+     */
+    bool loadLanguage(const std::string& locale);
+    
+    /**
+     * @brief Translate a string
+     * @param key The string key (usually English text)
+     * @return Translated string, or key if not found
+     */
+    const char* translate(const char* key) const;
+    
+    /**
+     * @brief Get current locale
+     */
+    const std::string& getCurrentLocale() const { return current_locale_; }
+    
+    /**
+     * @brief Get list of available languages
+     */
+    const std::vector<std::pair<std::string, std::string>>& getAvailableLanguages() const { return available_languages_; }
+    
+    /**
+     * @brief Register an available language
+     * @param code Language code (e.g., "en")
+     * @param name Display name (e.g., "English")
+     */
+    void registerLanguage(const std::string& code, const std::string& name);
+
+private:
+    I18n();
+    
+    std::string current_locale_ = "en";
+    std::unordered_map<std::string, std::string> strings_;
+    std::vector<std::pair<std::string, std::string>> available_languages_;
+};
+
+/**
+ * @brief Convenience function for translation
+ * @param key The string key
+ * @return Translated string
+ */
+inline const char* tr(const char* key) {
+    return I18n::instance().translate(key);
+}
+
+} // namespace util
+} // namespace dragonx
+
+// Convenience macro for translations
+#define TR(key) dragonx::util::tr(key)