docs(debug-journal): fold in the 2026-10-03 queue slice (8 candidates); mark GH#5316 fixed by PR #5319; add the sigenergy inert-power-lever, GEC unused-slot-midnight, reserve-max-validator, plugin-nav, SOH-warning, Octoplus-entity-pair, car-rate-list and update-entity rows

Co-Authored-By: Claude Code <noreply@anthropic.com>

Author: CI