feat: 仓库原型代码与脚本更新
- .gitignore: 忽略 QEMU chain-broken 镜像残留
- start.sh: 调整 VM 启动编排与日志输出
- workspace/scripts/run_vm_virtio_pci_smmu.sh: 完善 SMMUv3 变体参数
- workspace/scripts/shared_peripheral_fault_isolation.sh: 增强共享外设故障隔离
- workspace/scripts/qemu_resource_monitor.sh: 新增 QEMU 资源采样
- workspace/scripts/finals/: 新增决赛证据收集与环境验证脚本