Add phase 5 equipment and ITEM Service summaries
- Summaries of IM 36K10L40 (EQUIPMENT utilities), L41 (EQUIPMENT
configuration: lines, stations, conversion types, Modbus master/slave,
driver table), L35 (ITH) and L36 (ITM), checked against the installed
start scripts, setup files and datasets
- tuning-checks: read-only itmdbg / eqpdbg via piped answers
- New ISS-021 (STATION_STAT empty), ISS-022 (itmval -f crashes),
ISS-023 (install differs from ITEM manuals, closed); ISS-006 updated
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>