fix(pom): normalize pom.xml per java-component-patterns

- Remove source/target, use release only
- Fix maven.version per branch
- Fix enforcer requireMavenVersion for Maven 4 (3.0.x)
- Fix java.version values
- Fix maven-wrapper.properties
- Add properties 3-part comments

Author: loong10k

.mvn/wrapper/maven-wrapper.properties

@@ -1,3 +1,3 @@
 wrapperVersion=3.3.4
 distributionType=only-script
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/4.0.0-rc-6/apache-maven-4.0.0-rc-6-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/4.0.0-rc-5/apache-maven-4.0.0-rc-5-bin.zip

pom.xml

@@ -120,10 +120,8 @@
                             <configuration>
                                 <rules>
                                     <requireMavenVersion>
-                                        <message>
-	                                        You are running an older version of Maven. This application requires at least Maven ${maven.version}.
-										</message>
-                                        <version>[${maven.version}.0,)</version>
+                                        <message><![CDATA[You are running an older version of Maven. This application requires at least Maven 4.]]></message>
+                                        <version>[4.0.0,)</version>
                                     </requireMavenVersion>
                                     <requireJavaVersion>
                                         <message>
@@ -506,11 +504,10 @@
 
     <!-- 版本属性定义：Java 版本、依赖版本与 Maven 插件版本统一管理 -->
     <properties>
+        <!-- ═══ 第一段: 基础属性（自然排序）═══ -->
         <java.version>21</java.version>
         <maven.compiler.release>${java.version}</maven.compiler.release>
-        <maven.compiler.source>${java.version}</maven.compiler.source>
-        <maven.compiler.target>${java.version}</maven.compiler.target>
-        <maven.version>3.0</maven.version>
+        <maven.version>4.0.0-rc-5</maven.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- Dependency versions -->
         <antlr4.version>4.13.2</antlr4.version>