feat: Flexion 先验签后消费支付流程 + playerId 绑定

实现 Flexion 渠道支付验签重构：支付成功后不立即消费，将 purchaseJson/signature/purchaseToken
回调至 Unity，由服务端 SHA1withRSA 验签并校验 developerPayload.playerId 后再调用 consume。
同步更新 SDKManager 接口、UnityBridgeFunc 桥接、TYSdkModel 字段及 ExtraPluginCfgs。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

sdk-intergration/Packages/tysdk/Plugins/Android/SDKManager.java

@@ -57,19 +57,26 @@ public class SDKManager {
     private static SnsInfo tmpSnsInfo;
     private static String channel = "GooglePlay";
 
-    // Channel helper registry
+    // Channel helper
     public interface ISDKHelper {
         void init(Activity activity);
         void pay(Activity activity, String productId, String productName,
                  String productCount, String prodorderId, String appInfo);
         void queryProducts();
+        void consume(String token);
     }
 
-    private static final java.util.Map<String, ISDKHelper> helperMap = new java.util.HashMap<>();
     private static ISDKHelper sdkHelper;
 
-    public static void registerHelper(String ch, ISDKHelper helper) {
-        helperMap.put(ch, helper);
+    public static void registerHelper(ISDKHelper helper) {
+        sdkHelper = helper;
+    }
+
+    public static void ConsumeFlexionPurchase(String token) {
+        Log.i(TAG, "ConsumeFlexionPurchase: token=" + token);
+        if (sdkHelper != null) {
+            sdkHelper.consume(token);
+        }
     }
 
     // -------------------------------------------------------------------------
@@ -79,7 +86,16 @@ public class SDKManager {
     public static void InitSDK(Activity activity, String ch) {
         channel = ChannelHelpers.CHANNEL;
         ChannelHelpers.register();
-        sdkHelper = helperMap.get(channel);
+        
+//        var builder =  SDKManager.ExtendBuilder()
+//         .WithChannel(SDKManagerExt.CHANNEL)
+//         .WithInit(SDKManagerExt.GetInit())
+//         .WithPay(SDKManagerExt.GetPay())
+//         .WithQuery(SDKManagerExt.GetQuery())        
+//         .Builder()
+        
+        
+        
         Log.i(TAG, "[CHANNEL-VERIFY] Java InitSDK channel=" + channel
                 + " fromCSharp=" + ch
                 + " helper=" + (sdkHelper != null ? sdkHelper.getClass().getSimpleName() : "default"));
@@ -87,7 +103,8 @@ public class SDKManager {
         // Sync channel to C# ChannelConfig
         UnityPlayer.UnitySendMessage(ConfigManager.UNITY_FACADE_NAME,
                 "SetChannelFromNative", channel);
-
+                                
+//         build.init(activity)        
         if (sdkHelper != null) {
             sdkHelper.init(activity);
         } else {
@@ -402,6 +419,7 @@ public class SDKManager {
     // -------------------------------------------------------------------------
 
     public static void thirdExtend() {
+        Log.e(TAG, "thirdExtend called, sdkHelper=" + (sdkHelper != null ? sdkHelper.getClass().getSimpleName() : "null"));
         if (sdkHelper != null) {
             sdkHelper.queryProducts();
             return;