fix: 오늘의 이슈 뱃지 타입 source_type 기반 매핑

- TodayIssue 모델에 SOURCE_TO_BADGE 매핑 상수 추가
- TodayIssueService에서 source_type 기반 badge 매핑 적용
- 입금/출금 소스 타입 및 뱃지 상수 추가

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Models/Tenants/TodayIssue.php

@@ -61,25 +61,38 @@ class TodayIssue extends Model
 
     public const SOURCE_WITHDRAWAL = 'withdrawal';
 
-    // 뱃지 타입 상수
+    // 뱃지 타입 상수 (최대 4자, 띄어쓰기 없음)
     public const BADGE_ORDER_REGISTER = '수주등록';
 
     public const BADGE_COLLECTION_ISSUE = '추심이슈';
 
     public const BADGE_SAFETY_STOCK = '안전재고';
 
-    public const BADGE_EXPENSE_PENDING = '지출 승인대기';
+    public const BADGE_EXPENSE_PENDING = '지출승인';
 
-    public const BADGE_TAX_REPORT = '세금 신고';
+    public const BADGE_TAX_REPORT = '세금신고';
 
-    public const BADGE_APPROVAL_REQUEST = '결재 요청';
+    public const BADGE_APPROVAL_REQUEST = '결재요청';
 
-    public const BADGE_NEW_CLIENT = '신규거래처';
+    public const BADGE_NEW_CLIENT = '신규업체';
 
     public const BADGE_DEPOSIT = '입금';
 
     public const BADGE_WITHDRAWAL = '출금';
 
+    // source_type → badge 매핑
+    public const SOURCE_TO_BADGE = [
+        self::SOURCE_ORDER => self::BADGE_ORDER_REGISTER,
+        self::SOURCE_BAD_DEBT => self::BADGE_COLLECTION_ISSUE,
+        self::SOURCE_STOCK => self::BADGE_SAFETY_STOCK,
+        self::SOURCE_EXPENSE => self::BADGE_EXPENSE_PENDING,
+        self::SOURCE_TAX => self::BADGE_TAX_REPORT,
+        self::SOURCE_APPROVAL => self::BADGE_APPROVAL_REQUEST,
+        self::SOURCE_CLIENT => self::BADGE_NEW_CLIENT,
+        self::SOURCE_DEPOSIT => self::BADGE_DEPOSIT,
+        self::SOURCE_WITHDRAWAL => self::BADGE_WITHDRAWAL,
+    ];
+
     // 뱃지 → notification_type 매핑
     public const BADGE_TO_NOTIFICATION_TYPE = [
         self::BADGE_ORDER_REGISTER => 'sales_order',