refactor(server): Move provideReflections method to private scope for better encapsulation

Author: codeboyzhou

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

@@ -17,8 +17,6 @@
 import com.github.codeboyzhou.mcp.declarative.server.factory.McpStdioServerFactory;
 import com.github.codeboyzhou.mcp.declarative.server.factory.McpStreamableServerFactory;
 import com.google.inject.AbstractModule;
-import com.google.inject.Provides;
-import com.google.inject.Singleton;
 import com.google.inject.name.Names;
 import java.util.Set;
 import org.reflections.Reflections;
@@ -33,15 +31,6 @@ public InjectorModule(Class<?> mainClass) {
     this.mainClass = mainClass;
   }
 
-  @Provides
-  @Singleton
-  @SuppressWarnings("unused")
-  public Reflections provideReflections() {
-    McpServerApplication application = mainClass.getAnnotation(McpServerApplication.class);
-    final String basePackage = determineBasePackage(application);
-    return new Reflections(basePackage, TypesAnnotated, MethodsAnnotated, FieldsAnnotated);
-  }
-
   @Override
   protected void configure() {
     // Bind classes annotated by McpResources, McpPrompts, McpTools
@@ -70,6 +59,12 @@ protected void configure() {
         .toInstance(i18nEnabled);
   }
 
+  private Reflections provideReflections() {
+    McpServerApplication application = mainClass.getAnnotation(McpServerApplication.class);
+    final String basePackage = determineBasePackage(application);
+    return new Reflections(basePackage, TypesAnnotated, MethodsAnnotated, FieldsAnnotated);
+  }
+
   private String determineBasePackage(McpServerApplication application) {
     if (application != null) {
       if (!application.basePackage().trim().isBlank()) {