fix: 150자 초과시 최대 허용 범위까지 잘라서 보내도록 수정

Author: move-hoon

src/main/java/org/sopt/makers/global/constant/SlackConstant.java

@@ -41,6 +41,11 @@ public final class SlackConstant {
 	public static final String ERROR = "error";
 	public static final String CODE = "code";
 
+	// 헤더 관련 상수
+	public static final int MAX_HEADER_LENGTH = 150;
+	public static final String EMOJI_PREFIX = "🚨 ";
+	public static final String TRUNCATION_SUFFIX = "...";
+
 	// 성공 메시지
 	public static final String SUCCESS_MESSAGE = "알림이 성공적으로 전송되었습니다";
 

src/main/java/org/sopt/makers/service/SlackNotificationService.java

@@ -106,11 +106,18 @@ private SlackMessage buildSlackMessage(String team, String type, String stage,
 		return SlackMessage.newInstance(blocks, color);
 	}
 
-	/**
+	/*
 	 * 헤더 블록 구성
 	 */
 	private Block buildHeaderBlock(String message) {
-		return HeaderBlock.newInstance(message);
+		String fullMessage = EMOJI_PREFIX + message;
+
+		if (fullMessage.length() > MAX_HEADER_LENGTH) {
+			int maxLength = MAX_HEADER_LENGTH - EMOJI_PREFIX.length() - TRUNCATION_SUFFIX.length();
+			fullMessage = EMOJI_PREFIX + message.substring(0, maxLength) + TRUNCATION_SUFFIX;
+		}
+
+		return HeaderBlock.newInstance(fullMessage);
 	}
 
 	/**