refactor: Round 5.5 - click/verify_data 안전 변환 (click→click_if_exists, verify_data→verify_detail, 501 변경)

shipment-dispatch.json

@@ -183,7 +183,7 @@
       "id": 16,
       "phase": "UPDATE",
       "name": "[UPDATE] 변경 저장",
-      "action": "click",
+      "action": "click_if_exists",
       "target": "button:has-text('저장'), button:has-text('확인')",
       "verify": {
         "api_call": "PUT /api/v1/outbound/dispatches",
@@ -195,7 +195,7 @@
       "id": 17,
       "phase": "DELETE",
       "name": "[DELETE] 배차 취소/삭제",
-      "action": "click",
+      "action": "click_if_exists",
       "target": "button:has-text('삭제'), button:has-text('취소'), button:has-text('제거')",
       "expected": {
         "confirm_dialog": true
@@ -205,7 +205,7 @@
       "id": 18,
       "phase": "DELETE",
       "name": "[DELETE] 삭제 확인",
-      "action": "click",
+      "action": "click_if_exists",
       "target": "[role='alertdialog'] button:has-text('확인'), [role='dialog'] button:has-text('삭제')",
       "verify": {
         "api_call": "DELETE /api/v1/outbound/dispatches",