feat: validate MCP tool input constraints

dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/biz/sms/dto/SmsSendRequest.java

@@ -5,6 +5,7 @@ import lombok.NoArgsConstructor;
 import lombok.AllArgsConstructor;
 
 import io.shinhanlife.dap.lib.annotation.McpParameter;
+import io.shinhanlife.dap.lib.annotation.McpValidation;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -30,10 +31,12 @@ import lombok.Setter;
 public class SmsSendRequest {
 
     @McpParameter(description = "수신자 전화번호", required = true)
+    @McpValidation(pattern = "^01[0-9]-?\\d{3,4}-?\\d{4}$")
     private String phoneNumber;
 
     @McpParameter(description = "전송할 메시지 내용", required = true)
+    @McpValidation(pattern = "\\S")
     private String message;
 
 
-}
+}