fix(entrypoint): normalize to LF line endings (CRLF broke shebang exec)

fix(entrypoint): FUSE-safe chmod/mkdir so /app/data bucket mount cannot crash boot

Harden AutoTeam runtime and free registration

feat(round-4 infra): docker-guard + playwright-hardening + 调研/PRD/SPEC 文档基线

fix: Docker data 目录 chmod 777，宿主机可读写

fix: Docker entrypoint 无条件删除再软链，确保写入持久化到 data/

fix: Docker entrypoint 始终软链数据文件，确保 Web 配置页写入持久化

feat: Docker 部署 + 免责声明 + LICENSE + Web 初始配置页