- docker-build: 停用 docker system prune --volumes (保住 build 层缓存), 改为 image prune -f - 新增 .dockerignore, node_modules/.git/src-tauri 等不再进 build context - 前端只构建一次: CI 构建 dist 供 OTA 与镜像复用 (PREBUILT_DIST 构建参数) - Dockerfile: npm install → npm ci + BuildKit cache mount - setup-node 开启 npm 缓存; master/android-* 加 concurrency 取消旧 run - android: 只构建 aarch64; tauri target 缓存 key 按 Cargo.lock hash - minisign 改为静态二进制下载, 去掉 apt-get