docs(debug-journal): fold in the 2026-10-01 queue slice (9 candidates); mark GH#5313 fixed by PR #5315, GH#5136 by PR #5293, GH#5222 by PR #5283, the iog-slot-io-adjusted row by PR #5304, GH#5068 reworked by PRs #5309/#5314; add the dynamic-load car cancel row and the GH#2649/#5302/#5324 findings

docs(debug-journal): fold in the 2026-10-01 queue slice (9 candidates); mark GH#5313 fixed by PR #5315, GH#5136 by PR #5293, GH#5222 by PR #5283, the iog-slot-io-adjusted row by PR #5304, GH#5068 reworked by PRs #5309/#5314; add the dynamic-load car cancel row and the GH#2649/#5302/#5324 findings #1564