refactor: optimize security baseline, task logging, frontend maven packaging, and redirect root page to v2

pom.xml

@@ -18,6 +18,11 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <spring-boot.version>2.7.18</spring-boot.version>
+        <!-- 本地跳过前端构建：mvn clean package -DskipTests -Dskip.frontend.build=true -->
+        <skip.frontend.build>false</skip.frontend.build>
+        <!-- Node.js 下载源地址，默认官方。因网络下载失败时，可配置镜像源，如：-->
+        <!-- -Dnode.download.root=https://npmmirror.com/mirrors/node/ -->
+        <node.download.root>https://nodejs.org/dist/</node.download.root>
     </properties>
 
     <dependencies>
@@ -77,6 +82,58 @@
 
     <build>
         <plugins>
+            <!--
+                frontend-maven-plugin: 绑定到 prepare-package 阶段。
+                - mvn compile / mvn test：不触发前端构建。
+                - mvn package（含 make up Docker 构建的 Java 侧）：
+                    Docker 后端阶段已用 -Dskip.frontend.build=true，
+                    本地全量打包时自动执行 install-node + npm ci + npm run build。
+                - 跳过：mvn clean package -DskipTests -Dskip.frontend.build=true
+                详见 docs/frontend-build.md。
+            -->
+            <plugin>
+                <groupId>com.github.eirslett</groupId>
+                <artifactId>frontend-maven-plugin</artifactId>
+                <version>1.15.0</version>
+                <configuration>
+                    <workingDirectory>frontend-vue</workingDirectory>
+                    <skip>${skip.frontend.build}</skip>
+                    <nodeDownloadRoot>${node.download.root}</nodeDownloadRoot>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>install-node-and-npm</id>
+                        <goals>
+                            <goal>install-node-and-npm</goal>
+                        </goals>
+                        <phase>prepare-package</phase>
+                        <configuration>
+                            <!-- Node 20 LTS，与 Vite 5.x 兼容 -->
+                            <nodeVersion>v20.11.0</nodeVersion>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>npm-install</id>
+                        <goals>
+                            <goal>npm</goal>
+                        </goals>
+                        <phase>prepare-package</phase>
+                        <configuration>
+                            <arguments>ci</arguments>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>npm-build</id>
+                        <goals>
+                            <goal>npm</goal>
+                        </goals>
+                        <phase>prepare-package</phase>
+                        <configuration>
+                            <arguments>run build</arguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>