data: stump(나무토막) 외형 추가 (mob 1110101) — 18/18 완성

MSW "나무토막" localized 검색에 잡힌 유일한 저레벨 몹 클립셋(1110101:
stand/hit/die/move) 채택. 시각 확정은 플레이테스트(map04)에서.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011xhLoQbJvQYL65kBtDNDTy

data/enemies.json

@@ -92,7 +92,8 @@
         { "kind": "Defend", "value": 5 },
         { "kind": "Attack", "value": 8 },
         { "kind": "Attack", "value": 6 }
-      ]
+      ],
+      "appearance": { "sheet": { "stand": "ed3908e24d694bb786023fc1ed073489", "move": "9a4cad470f304753885e06c043156efb", "hit": "4763c9bebc9245998c9c499b6316aa9f", "die": "b168793b92a844a3a3a6f4ce647a14d2" }, "box": { "x": 0.63, "y": 0.58 }, "off": { "x": 0.0449999869, "y": 0.29 } }
     },
     "mushmom": {
       "name": "머쉬맘",