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Bound chart-207 terminal helper retargets - #7386

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ToikY:codex/p104-chart207-terminal-retarget-bound
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ToikY wants to merge 3 commits into
CrocSwap:mainfrom
ToikY:codex/p104-chart207-terminal-retarget-bound

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@ToikY

@ToikY ToikY commented Nov 12, 2026

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Change and mathematical scope

NO VERIFIED GAIN. The comparator is independently reproduced #7334 at aaeec8c0acf01e99a5f331ef363a698d9c084ace with signed #7113 at 07a76c5e2738882c0cb322278e56f6cae3c9885d.

Two literal walks cover all 615 scoped public 3→127 targets and find exactly six final 207→127 rank-one MOVEs. The separately protected role 319 ends via 1089→127. Each eligible helper has a later binary contact with an exterior partner. Across the six anchors there are 203 exterior binary contacts and zero internal contacts. Every simultaneous fixed-clock subset therefore fails.

Two suffixes have exactly two later ADDs. The commuting-retime screen exhausts 5,084 typed cuts, and the independent walk confirms that none of the four original partners ever occupies chart 207. For role 532 we also grant arbitrary unchanged public donors across its entire final read-free chart-207 corridor. The exact covector x2 − x3/2 − x27 + x28 vanishes at all 13,732 donor placements across 1,406 cuts and evaluates to +1 on the 23-coordinate signed aggregate. All tested scopes are exhausted.

The hypothetical single retarget deletes 17 paid rank-one positions and retypes 17 productive rank-nine targets to rank eight. The six actual anchors give an optimistic combined upper of 1.161771723173607 raw, rounded upward. No realized saving.

Task and overlap

#7274 and #7277 supply distinct compensated terminal recharts on earlier words. #7383 and #7384 test the earlier role-532 MOVE triple with fixed productive endpoints. This scope changes the terminal target and leaves the other paid paths fixed. Canonical main was e54523517d0f03e58352e647c403a5af3e525a57 at pre-submit refresh.

Validation

Use CPython 3.12 with assertions enabled from a clean checkout.

python3.12 -I -B research/p104-chart207-terminal-retarget-bound/replay.py

The Git-free replay reproduces 13 receipts and rejects four altered dependencies. The research commit adds one package on the existing two #7257 CI fixes for the historical replay gap documented in #7371. The selected record is unchanged.

Credit

#7334 and #7113 supply the exact native word and caller. #7365 and #7362 supply the change inventory and exact rank stock. #7383 and #7384 supply the retime and aggregate engines. #7355 supplies rational row replay, and #7298 the directed tariff. OpenAI Codex and subagents materially assisted.

Open next questions

Changed owned donors, new paid routes, and corrected noncommuting blocks are outside the tested scopes. Review and merge are left to the maintainers.

Clear1nsight and others added 3 commits November 11, 2026 15:39
This is the exact documentation prerequisite retained by CrocSwap#7156. It points the onboarding check to the selected CrocSwap#7000/CrocSwap#7001 review. Credit to Rohan Arun and the source authors.
The PR CrocSwap#6292 rejection census and package plan are statements about 2485805. Load its exact sources and planner in a private sparse checkout, keeping all source hashes, 19 expected rejections, nine package selections and the empty-plan control. Subsequent edits to the live Makefile and CI guide no longer invalidate this historical check.

The original audit is by unpaidmoon, building on Dennis’s historical replay gate. The pinned repository view follows the precedent of Matarener’s PR CrocSwap#5434. Repair prepared with substantial OpenAI Codex assistance.
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