docs: fix code accuracy issues found by codebase verification

implement-a-customized-actuator (EN+ZH):
- SumContract field number: 52 is already taken by MarketSellAssetContract;
  change to 60 (next available number after CancelAllUnfreezeV2Contract=59)
- SumActuator: add missing static import for TRANSFER_FEE from
  Parameter.ChainConstant (not inherited from AbstractActuator)
- SumActuatorTest: Application does not have addService()/initServices()/
  startServices()/shutdownServices(); replace with startup()/shutdown()
  which are the actual API methods

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Little-Peony

docs/implement-a-customized-actuator-en.md

@@ -36,7 +36,7 @@ message Transaction {
       AccountCreateContract = 0;
       TransferContract = 1;
       ........
-      SumContract = 52;  
+      SumContract = 60;  
     }
   ...
 }
@@ -77,6 +77,8 @@ After compilation, the corresponding .class under the java_out directory will be
 For now, the default Actuator supported by java-tron is located in `org.tron.core.actuator`. Creating `SumActuator` under this directory:
 
 ```java
+import static org.tron.core.config.Parameter.ChainConstant.TRANSFER_FEE;
+
 public class SumActuator extends AbstractActuator {
 
   public SumActuator() {
@@ -229,11 +231,7 @@ public class SumActuatorTest {
     Args.setParam(new String[]{"--output-directory",
             temporaryFolder.newFolder().toString()}, "config-localtest.conf");
     context = new TronApplicationContext(DefaultConfig.class);
-    RpcApiService rpcApiService = context.getBean(RpcApiService.class);
     appTest = ApplicationFactory.create(context);
-    appTest.addService(rpcApiService);
-    appTest.initServices(Args.getInstance());
-    appTest.startServices();
     appTest.startup();
     channelFull = ManagedChannelBuilder.forTarget(SERVICE_NODE)
             .usePlaintext()
@@ -250,7 +248,6 @@ public class SumActuatorTest {
       channelFull.shutdown();
       channelFull.awaitTermination(5, TimeUnit.SECONDS);
     }
-    appTest.shutdownServices();
     appTest.shutdown();
     context.destroy();
     Args.clearParam();

docs/implement-a-customized-actuator-zh.md

@@ -38,7 +38,7 @@ message Transaction {
       AccountCreateContract = 0;
       TransferContract = 1;
       ........
-      SumContract = 52;  
+      SumContract = 60;  
     }
   ...
 }
@@ -79,6 +79,8 @@ protoc -I=src/main/protos/api -I=src/main/protos/core -I=src/main/protos  --java
 目前 java-tron 默认支持的 Actuator 存放在该模块的 org.tron.core.actuator 目录下，同样在该目录下创建 `SumActuator` ：
 
 ```java
+import static org.tron.core.config.Parameter.ChainConstant.TRANSFER_FEE;
+
 public class SumActuator extends AbstractActuator {
 
   public SumActuator() {
@@ -231,11 +233,7 @@ public class SumActuatorTest {
     Args.setParam(new String[]{"--output-directory",
             temporaryFolder.newFolder().toString()}, "config-localtest.conf");
     context = new TronApplicationContext(DefaultConfig.class);
-    RpcApiService rpcApiService = context.getBean(RpcApiService.class);
     appTest = ApplicationFactory.create(context);
-    appTest.addService(rpcApiService);
-    appTest.initServices(Args.getInstance());
-    appTest.startServices();
     appTest.startup();
     channelFull = ManagedChannelBuilder.forTarget(SERVICE_NODE)
             .usePlaintext()
@@ -252,7 +250,6 @@ public class SumActuatorTest {
       channelFull.shutdown();
       channelFull.awaitTermination(5, TimeUnit.SECONDS);
     }
-    appTest.shutdownServices();
     appTest.shutdown();
     context.destroy();
     Args.clearParam();