Fix Dockerfile to ensure HOME environment variable is correctly set during OpenCode installation, preventing installation to the root directory. This change enhances compatibility with the user environment.

Dockerfile

@@ -18,7 +18,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN mkdir -p /home/user/app
 
 # 使用官方安装脚本安装 opencode 到 /home/user/.opencode/bin
-RUN HOME=/home/user curl -fsSL https://opencode.ai/install | bash -s -- --no-modify-path
+# 必须让管道右侧的 bash 也继承 HOME，否则脚本会装到 /root/.opencode/bin
+RUN bash -c 'export HOME=/home/user; curl -fsSL https://opencode.ai/install | bash -s -- --no-modify-path'
 
 # 将 /home/user 归属给 UID 1000（HF Spaces 运行时使用 UID 1000）
 RUN chown -R 1000:1000 /home/user