项目结构调整

.ci/Dockerfile

@@ -0,0 +1,33 @@
+FROM ubuntu:24.04
+
+# 1. 设置镜像源（可选，用于加速）
+RUN sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
+    sed -i 's/security.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list
+
+# 2. 一次性安装所有依赖（工具链、库、CI工具）
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        wget gnupg ca-certificates \
+        clang-19 lld-19 libc++-19-dev libc++abi-19-dev \
+        mingw-w64 g++-mingw-w64 \
+        git tar curl \
+        python3 python3-pip python3.12-venv libpython3.12 \
+        && rm -rf /var/lib/apt/lists/* && \
+    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-19 100 && \
+    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-19 100 && \
+    ln -sf /usr/bin/ld.lld-19 /usr/bin/ld.lld
+
+# 3. 安装xmake
+RUN wget -O /usr/local/bin/xmake \
+    https://git.fig-lang.cn/PuqiAR/xmake-binary-copy/raw/commit/989d1f2dabb0bc8d5981a5f900c2cf7c2ac78ee4/xmake-bundle-v3.0.5.linux.x86_64 && \
+    chmod +x /usr/local/bin/xmake
+
+# 4. 创建非root用户
+RUN useradd -m -s /bin/bash builder
+USER builder
+WORKDIR /home/builder
+
+RUN xmake --version | head -1 && \
+    clang++ --version | head -1 && \
+    git --version && \
+    echo "✅ 核心工具就绪"