IBC clears JAVA_TOOL_OPTIONS before launching java. Also point the
service's http(s)/all proxy variables at 7892 instead of the user
manager's 7890.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
deploy/systemd holds an IB Gateway service (IBC under Xvfb, paper) and
timers for the 09:50 ET rebalance, 16:15 ET fills, and a weekly
constituents refresh; make install-units installs them.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>