style: format code using spotless (#822)

## AgentScope-Java Version

1.0.10

## Description

[Please describe the background, purpose, changes made, and how to test
this PR]

## Checklist

Please check the following items before code is ready to be reviewed.

- [x]  Code has been formatted with `mvn spotless:apply`
- [x]  All tests are passing (`mvn test`)
- [x]  Javadoc comments are complete and follow project conventions
- [x] Related documentation has been updated (e.g. links, examples,
etc.)
- [x]  Code is ready for review

Author: LearningGp

agentscope-core/src/main/java/io/agentscope/core/tool/mcp/McpClientBuilder.java

@@ -15,6 +15,8 @@
  */
 package io.agentscope.core.tool.mcp;
 
+import static io.agentscope.core.Version.VERSION;
+
 import io.modelcontextprotocol.client.McpAsyncClient;
 import io.modelcontextprotocol.client.McpClient;
 import io.modelcontextprotocol.client.McpSyncClient;
@@ -296,7 +298,7 @@ public Mono<McpClientWrapper> buildAsync() {
 
                     McpSchema.Implementation clientInfo =
                             new McpSchema.Implementation(
-                                    "agentscope-java", "AgentScope Java Framework", "1.0.10-SNAPSHOT");
+                                    "agentscope-java", "AgentScope Java Framework", VERSION);
 
                     McpSchema.ClientCapabilities clientCapabilities =
                             McpSchema.ClientCapabilities.builder().build();

agentscope-core/src/test/java/io/agentscope/core/VersionTest.java

@@ -30,7 +30,8 @@ void testVersionConstant() {
         // Verify version constant is set
         Assertions.assertNotNull(Version.VERSION, "VERSION constant should not be null");
         Assertions.assertFalse(Version.VERSION.isEmpty(), "VERSION constant should not be empty");
-        Assertions.assertEquals("1.0.10-SNAPSHOT", Version.VERSION, "VERSION should match current version");
+        Assertions.assertEquals(
+                "1.0.10-SNAPSHOT", Version.VERSION, "VERSION should match current version");
     }
 
     @Test