refactor(annotation): Introduce McpServerApplication annotation

- Add McpServerApplication annotation to replace McpComponentScan
- Update GuiceInjectorModule to use McpServerApplication for base package determination
- Modify test classes to use the new McpServerApplication annotation
- Deprecate McpComponentScan annotation

Author: codeboyzhou

src/main/java/com/github/codeboyzhou/mcp/declarative/annotation/McpComponentScan.java

@@ -7,6 +7,7 @@
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+@Deprecated
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface McpComponentScan {

src/main/java/com/github/codeboyzhou/mcp/declarative/annotation/McpServerApplication.java

@@ -0,0 +1,16 @@
+package com.github.codeboyzhou.mcp.declarative.annotation;
+
+import com.github.codeboyzhou.mcp.declarative.util.StringHelper;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface McpServerApplication {
+    String basePackage() default StringHelper.EMPTY;
+
+    Class<?> basePackageClass() default Object.class;
+}

src/main/java/com/github/codeboyzhou/mcp/declarative/common/GuiceInjectorModule.java

@@ -1,9 +1,9 @@
 package com.github.codeboyzhou.mcp.declarative.common;
 
-import com.github.codeboyzhou.mcp.declarative.annotation.McpComponentScan;
 import com.github.codeboyzhou.mcp.declarative.annotation.McpI18nEnabled;
 import com.github.codeboyzhou.mcp.declarative.annotation.McpPrompts;
 import com.github.codeboyzhou.mcp.declarative.annotation.McpResources;
+import com.github.codeboyzhou.mcp.declarative.annotation.McpServerApplication;
 import com.github.codeboyzhou.mcp.declarative.annotation.McpTools;
 import com.github.codeboyzhou.mcp.declarative.server.factory.McpServerPromptFactory;
 import com.github.codeboyzhou.mcp.declarative.server.factory.McpServerResourceFactory;
@@ -33,8 +33,8 @@ public GuiceInjectorModule(Class<?> applicationMainClass) {
     @Singleton
     @SuppressWarnings("unused")
     public Reflections provideReflections() {
-        McpComponentScan scan = applicationMainClass.getAnnotation(McpComponentScan.class);
-        final String basePackage = determineBasePackage(scan, applicationMainClass);
+        McpServerApplication application = applicationMainClass.getAnnotation(McpServerApplication.class);
+        final String basePackage = determineBasePackage(application, applicationMainClass);
         return new Reflections(basePackage, TypesAnnotated, MethodsAnnotated, FieldsAnnotated);
     }
 
@@ -56,13 +56,13 @@ protected void configure() {
         bind(Boolean.class).annotatedWith(Names.named(VARIABLE_NAME_I18N_ENABLED)).toInstance(i18nEnabled);
     }
 
-    private String determineBasePackage(McpComponentScan scan, Class<?> applicationMainClass) {
-        if (scan != null) {
-            if (!scan.basePackage().trim().isBlank()) {
-                return scan.basePackage();
+    private String determineBasePackage(McpServerApplication application, Class<?> applicationMainClass) {
+        if (application != null) {
+            if (!application.basePackage().trim().isBlank()) {
+                return application.basePackage();
             }
-            if (scan.basePackageClass() != Object.class) {
-                return scan.basePackageClass().getPackageName();
+            if (application.basePackageClass() != Object.class) {
+                return application.basePackageClass().getPackageName();
             }
         }
         return applicationMainClass.getPackageName();

src/test/java/com/github/codeboyzhou/mcp/declarative/server/TestMcpComponentScanBasePackageClass.java

@@ -1,7 +1,7 @@
 package com.github.codeboyzhou.mcp.declarative.server;
 
-import com.github.codeboyzhou.mcp.declarative.annotation.McpComponentScan;
+import com.github.codeboyzhou.mcp.declarative.annotation.McpServerApplication;
 
-@McpComponentScan(basePackageClass = TestMcpComponentScanBasePackageClass.class)
+@McpServerApplication(basePackageClass = TestMcpComponentScanBasePackageClass.class)
 public class TestMcpComponentScanBasePackageClass {
 }

src/test/java/com/github/codeboyzhou/mcp/declarative/server/TestMcpComponentScanBasePackageString.java

@@ -1,7 +1,7 @@
 package com.github.codeboyzhou.mcp.declarative.server;
 
-import com.github.codeboyzhou.mcp.declarative.annotation.McpComponentScan;
+import com.github.codeboyzhou.mcp.declarative.annotation.McpServerApplication;
 
-@McpComponentScan(basePackage = "com.github.codeboyzhou.mcp.declarative.server")
+@McpServerApplication(basePackage = "com.github.codeboyzhou.mcp.declarative.server")
 public class TestMcpComponentScanBasePackageString {
 }

src/test/java/com/github/codeboyzhou/mcp/declarative/server/TestMcpComponentScanDefault.java

@@ -1,7 +1,7 @@
 package com.github.codeboyzhou.mcp.declarative.server;
 
-import com.github.codeboyzhou.mcp.declarative.annotation.McpComponentScan;
+import com.github.codeboyzhou.mcp.declarative.annotation.McpServerApplication;
 
-@McpComponentScan
+@McpServerApplication
 public class TestMcpComponentScanDefault {
 }