chore: settings.json에 CLAUDE_BOT_TOKEN 환경변수 추가

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

.claude/settings.json

@@ -1,5 +1,8 @@
 {
   "$schema": "https://json.schemastore.org/claude-code-settings.json",
+  "env": {
+    "CLAUDE_BOT_TOKEN": "4804f9f63e799e25d9a8b381e89c8bff11471b7a"
+  },
   "permissions": {
     "allow": [
       "Bash(./mvnw *)",