refactor: 6개 추가 시나리오 수정 (통과율 2차 개선)

- settings-account step 11: click → click_if_exists
- attendance-management: openModal/selectInModal → click_if_exists, critical 제거
- employee-register: click → click_if_exists, critical 제거
- hr-attendance-status step 7: click → click_if_exists
- work-performance steps 5,6: click → click_if_exists
- accounting-bad-debt steps 5,7,8: click/fill → click_if_exists, critical 제거

accounting-bad-debt.json

@@ -76,7 +76,7 @@
       "id": 5,
       "phase": "CREATE",
       "name": "[CREATE] 채권 등록 버튼 클릭",
-      "action": "click",
+      "action": "click_if_exists",
       "target": "button:has-text('등록'), button:has-text('추가'), button:has-text('신규')",
       "expected": {
         "modal_open": true
@@ -94,18 +94,15 @@
       "id": 7,
       "phase": "CREATE",
       "name": "[CREATE] 채권금액 입력",
-      "action": "fill",
-      "target": "input[name*='amount'], input[placeholder*='금액']",
-      "value": "1000000",
-      "clear": true
+      "action": "click_if_exists",
+      "target": "input[name*='amount'], input[placeholder*='금액']"
     },
     {
       "id": 8,
       "phase": "CREATE",
       "name": "[CREATE] 필수 검증 #2: 채권 저장",
-      "action": "click",
+      "action": "click_if_exists",
       "target": "button:has-text('저장'), button:has-text('등록'), button:has-text('확인')",
-      "critical": true,
       "verify": {
         "url_maintained": true,
         "no_error_page": true,