fix: supportedShellTools not right

generator/src/main/java/com/reajason/javaweb/memshell/ServerFactory.java

@@ -235,7 +235,10 @@ public class ServerFactory {
                 }
                 toolMappingBuilder.addShellClass(shellType, shellClass);
             }
-            server.addToolMapping(shellTool, toolMappingBuilder.build());
+            ToolMapping mapping = toolMappingBuilder.build();
+            if (mapping.isNotEmpty()) {
+                server.addToolMapping(shellTool, mapping);
+            }
         }
     }
 

generator/src/main/java/com/reajason/javaweb/memshell/server/ToolMapping.java

@@ -24,6 +24,10 @@ public class ToolMapping {
         this.shellClassMap = new LinkedHashMap<>(shellClassMap);
     }
 
+    public boolean isNotEmpty() {
+        return !shellClassMap.isEmpty();
+    }
+
     public Set<String> getSupportedShellTypes() {
         return shellClassMap.keySet();
     }

generator/src/test/java/com/reajason/javaweb/memshell/ServerFactoryTest.java

@@ -0,0 +1,27 @@
+package com.reajason.javaweb.memshell;
+
+import com.reajason.javaweb.Server;
+import com.reajason.javaweb.memshell.server.AbstractServer;
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * @author ReaJason
+ * @since 2025/8/25
+ */
+class ServerFactoryTest {
+
+    @Test
+    void testSupportedTools() {
+        AbstractServer server = ServerFactory.getServer(Server.XXLJOB);
+        Set<String> supportedShellTools = server.getSupportedShellTools();
+        assertEquals(2, supportedShellTools.size());
+        assertTrue(supportedShellTools.contains(ShellTool.Command));
+        assertTrue(supportedShellTools.contains(ShellTool.Godzilla));
+    }
+
+}