docs(4d): §S20 Part B shipped — dead legacy display-repair pipeline deleted, §S20_RESULTS logged - #86
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red1oon merged 1 commit intoAug 17, 2026
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…eleted, §S20_RESULTS logged Records Part B (bim-ootb PR #1430, merged + live-deploy verified): _twoTierRemap/_midairRepair/_tier1Serialize/_tierAuditRegate deleted from time_machine.js, plus 3 orphaned helpers found by reverifying callers before deleting (_tier1Extents/_tier1Protrusion/_zoneOf/_TIER1_ORDER — zero callers outside the 4 named functions). ?cpm4d=0 retired (fallback target gone). -540 lines in time_machine.js, -1153 net across both bim-ootb PRs (#1426 Part A + #1430 Part B). Named ungated consumers retired per §S19_RESULTS's table (probe_bars_vs_ops.js, probe_named_element_times.js deleted outright; probe_captured_floating.js EXP3+EXP5 retired, EXP6 REBUILT not deleted — EXP7/EXP8 turned out to be lexically nested inside EXP6's block and consume its `disp` variable, a real shared dependency the prior audit missed; witness_gantt_lock_integrity.js's landmine fixed plus 2 more pre-existing gaps found in the same file, 19/20 pass, the one honest FAIL documents a separate pre-existing production bug in verifyGanttIntegrity()'s guids-array truncation, out of scope here). gate_4d.sh pass=6 fail=0 missing=1 unchanged from Part A. probe_cpm_schedule.js/probe_cpm_display_path.js fleet numbers identical before/after (floating 0/7, crewViol 0/7 both unchanged). §S20 CLOSED — both parts shipped, gate-verified, live-deployed. Implementing bim-compiler prompts/4D_GANTT_TM_REFACTOR.md §S20 Part B. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013Wtyz1mg8yFkJ2T5pJsgUn
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Summary
_twoTierRemap/_midairRepair/_tier1Serialize/_tierAuditRegatedeleted fromtime_machine.js, plus 3 orphaned helpers found by reverifying every caller before deleting rather than trusting the named-4 list as complete.probe_captured_floating.js's EXP7/EXP8-nested-in-EXP6 dependency;witness_gantt_lock_integrity.js's 2 extra pre-existing gaps).Docs/harness-only PR — no runtime behavior in this repo.
Test plan
gate_4d.shafter the bim-ootb deletion:pass=6 fail=0 missing=1(unchanged from Part A)probe_cpm_schedule.js/probe_cpm_display_path.js🤖 Generated with Claude Code
https://claude.ai/code/session_013Wtyz1mg8yFkJ2T5pJsgUn