refactor: Fix all inline FQ names with proper imports and add Javadoc to 67 files

dap-tool-email/src/main/java/io/shinhanlife/dap/biz/mcp/tool/email/DapToolEmailApplication.java

@@ -1,5 +1,20 @@
 package io.shinhanlife.dap.biz.mcp.tool.email;
 
+
+/**
+ * @package io.shinhanlife.dap.biz.mcp.tool.email
+ * @className DapToolEmailApplication
+ * @description AX HUB 시스템 처리 클래스
+ * @author 김형식
+ * @create 2026.09.01
+ * <pre>
+ * ---------- 개정이력 ----------
+ * 수정일      수정자    수정내용
+ * ---------- -------- ---------------------------
+ * 2026.09.01  김형식    최초생성
+ * 
+ * </pre>
+ */
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan;