fix(presence-service): 修复 deploy.sh 自调用权限问题

使用 bash "$SCRIPT_DIR/deploy.sh" 替代 $0 避免路径变化导致的权限问题

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

backend/services/presence-service/deploy.sh

@@ -61,7 +61,7 @@ case "$1" in
         log_success "$SERVICE_NAME started"
         log_info "Waiting for service to be healthy..."
         sleep 5
-        $0 health
+        bash "$SCRIPT_DIR/deploy.sh" health
         ;;
 
     start-deps)
@@ -86,8 +86,8 @@ case "$1" in
         ;;
 
     restart)
-        $0 stop
+        bash "$SCRIPT_DIR/deploy.sh" stop
-        $0 start
+        bash "$SCRIPT_DIR/deploy.sh" start
         ;;
 
     up)