fix: 隔离 LibreOffice 并发转换配置

- 为每次 soffice 调用创建独立临时用户配置目录

- 转换结束后自动清理并保持无头安全启动参数

Dockerfile

@@ -129,8 +129,9 @@ RUN fc-cache -f && \
     mkdir -p /app/logs /app/artifacts /app/data && \
     chown -R easyflow:easyflow /app
 
+COPY docker-soffice-wrapper.sh /usr/local/bin/soffice
 COPY docker-entrypoint.sh /usr/local/bin/easyflow-entrypoint.sh
-RUN chmod 755 /usr/local/bin/easyflow-entrypoint.sh
+RUN chmod 755 /usr/local/bin/soffice /usr/local/bin/easyflow-entrypoint.sh
 
 VOLUME ["/app/logs", "/app/data"]
 EXPOSE 8111

docker-soffice-wrapper.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env sh
+set -eu
+
+profile_parent="${TMPDIR:-/tmp}"
+profile_dir="$(mktemp -d "${profile_parent%/}/easyflow-soffice-XXXXXX")"
+
+cleanup() {
+  rm -rf -- "$profile_dir"
+}
+
+trap cleanup EXIT HUP INT TERM
+
+/usr/bin/soffice \
+  -env:UserInstallation="file://${profile_dir}" \
+  --headless \
+  --safe-mode \
+  --nologo \
+  --nodefault \
+  --nolockcheck \
+  --norestore \
+  "$@"