Implement TapADN commercialization module

Plugins/iOS/DirichletMediationUnityBridge.h

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+//
+//  DirichletMediationUnityBridge.h
+//  Dirichlet Mediation Unity Bridge for iOS
+//
+//  Created by Dirichlet Unity SDK
+//  Copyright © 2025 Dirichlet Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/// Initialize the Dirichlet Mediation SDK
+/// @param mediaId Media ID string
+/// @param mediaKey Media key string
+/// @param enableLog Enable debug logging
+/// @param mediaName Media name string (optional)
+/// @param gameChannel Game channel string (optional)
+/// @param shakeEnabled Enable shake interaction (for GDT adapter)
+/// @param allowIDFAAccess Allow IDFA access (for TapADN and GDT adapters)
+/// @param aTags External aTags JSON string (optional)
+/// @return YES if initialization started successfully, NO otherwise
+bool DirichletMediationUnityBridge_Initialize(
+    const char* mediaId,
+    const char* mediaKey,
+    bool enableLog,
+    const char* mediaName,
+    const char* gameChannel,
+    bool shakeEnabled,
+    bool allowIDFAAccess,
+    const char* aTags
+);
+
+/// Request permissions if necessary (ATT for iOS 14+)
+void DirichletMediationUnityBridge_RequestPermissionIfNeeded(void);
+
+/// Get SDK version
+/// @return SDK version string (caller should NOT free this pointer)
+const char* DirichletMediationUnityBridge_GetSdkVersion(void);
+
+/// Load reward video ad
+/// @param spaceId Space/slot ID
+/// @param extras JSON string with additional parameters
+/// @return Handle ID for the ad instance (caller should copy/free)
+const char* DirichletMediationUnityBridge_LoadRewardVideoAd(long long spaceId, const char* extras);
+
+/// Load interstitial ad
+/// @param spaceId Space/slot ID
+/// @param extras JSON string with additional parameters
+/// @return Handle ID for the ad instance
+const char* DirichletMediationUnityBridge_LoadInterstitialAd(long long spaceId, const char* extras);
+
+/// Load banner ad
+/// @param spaceId Space/slot ID
+/// @param extras JSON string with additional parameters
+/// @return Handle ID for the ad instance
+const char* DirichletMediationUnityBridge_LoadBannerAd(long long spaceId, const char* extras);
+
+/// Load splash ad
+/// @param spaceId Space/slot ID
+/// @param extras JSON string with additional parameters
+/// @return Handle ID for the ad instance
+const char* DirichletMediationUnityBridge_LoadSplashAd(long long spaceId, const char* extras);
+
+/// Show ad by handle
+/// @param handleId Handle ID returned from load methods
+/// @param extras JSON string with show options (e.g., banner alignment)
+/// @return YES if show started successfully, NO otherwise
+bool DirichletMediationUnityBridge_ShowAd(const char* handleId, const char* extras);
+
+/// Destroy ad by handle
+/// @param handleId Handle ID returned from load methods
+void DirichletMediationUnityBridge_DestroyAd(const char* handleId);
+
+#ifdef __cplusplus
+}
+#endif
+