chore: unity-cli-connector 패키지 추가

- Unity Editor HTTP 제어를 위한 unity-cli-connector 패키지 추가
- Claude 작업 환경 허용 명령어 목록 업데이트

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Packages/packages-lock.json

@@ -379,6 +379,15 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.youngwoocho02.unity-cli-connector": {
+      "version": "https://github.com/youngwoocho02/unity-cli.git?path=unity-connector",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.nuget.newtonsoft-json": "3.2.1"
+      },
+      "hash": "73dbbd7b09344abbe75991636988c239f416057b"
+    },
     "com.unity.modules.accessibility": {
       "version": "1.0.0",
       "depth": 0,