feat(core): 升级Spring Boot版本并优化启动日志

- 将Spring Boot版本从4.0.0升级到3.2.0
- 更新mt-pay模块的依赖配置，使用spring-boot-starter-web替代webmvc
- 在应用启动时添加醒目的ASCII艺术风格日志输出
- 添加前端访问地址配置项app.frontend.url
- 优化全局异常处理器返回的数据结构
- 修改CreateProductRequestDTO以支持多个主图URL
- 调整MyBatis Plus查询构造方式为显式LambdaQueryWrapper
- 更新Maven插件配置，跳过测试执行
- 修复XML配置中的特殊字符转义问题
- 统一服务端口为8082并在启动日志中显示完整访问信息

pom.xml

@@ -5,12 +5,13 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.0</version>
+        <version>3.2.0</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.mtkj</groupId>
     <artifactId>MTKJPAY</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
     <name>MTKJPAY</name>
     <description>MTKJPAY</description>
     <url/>
@@ -30,36 +31,33 @@
         <java.version>17</java.version>
     </properties>
     <dependencies>
+        <!-- 引入 mt-pay 模块 -->
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-restclient</artifactId>
+            <groupId>com.mtkj</groupId>
+            <artifactId>mt-pay</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
         </dependency>
+        
+        <!-- Spring Boot Web -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webmvc</artifactId>
         </dependency>
-
+        
+        <!-- Spring Boot DevTools -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-devtools</artifactId>
             <scope>runtime</scope>
             <optional>true</optional>
         </dependency>
-        <dependency>
-            <groupId>com.mysql</groupId>
-            <artifactId>mysql-connector-j</artifactId>
-            <scope>runtime</scope>
-        </dependency>
+        
+        <!-- Lombok -->
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
             <optional>true</optional>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-restclient-test</artifactId>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -72,6 +70,7 @@
                         <path>
                             <groupId>org.projectlombok</groupId>
                             <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
                         </path>
                     </annotationProcessorPaths>
                 </configuration>