[Unit]
Description=Curriculum Project Hub (Feishu agent + cph)
After=network-online.target postgresql.service
Wants=network-online.target

[Service]
Type=simple
User=__SERVICE_USER__
WorkingDirectory=__HUB_DIR__
EnvironmentFile=__ENV_FILE__
# Run prisma migrations before each start, then launch the Hub.
ExecStartPre=__NODE_BIN__ __HUB_DIR__/node_modules/prisma/build/index.js migrate deploy --schema __HUB_DIR__/prisma/schema.prisma
ExecStart=__NODE_BIN__ __HUB_DIR__/dist/server.js
Restart=on-failure
RestartSec=5
# Graceful shutdown: lark ws close + in-flight runs.
KillSignal=SIGTERM
TimeoutStopSec=30
# ADR-0018: the agent sandbox (bubblewrap) must be available on the host —
# failIfUnavailable makes the Hub refuse to run unsandboxed. Install bwrap.
AssertPathExists=/usr/bin/bwrap
# Hardening: no new privileges. ProtectSystem/ProtectHome are NOT set here —
# they would break cph's render-cache extraction (~/.cache/cph/) and the
# bwrap user-namespace setup. The OS-level sandbox (ADR-0018) is the hard
# boundary; systemd hardening is kept minimal to avoid interfering with it.
NoNewPrivileges=true

[Install]
WantedBy=multi-user.target