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feat(physics): add differential flat BSP traversal

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Port every current containment, overlap, walkable, and six-path moving-collision query to immutable integer-indexed assets behind a graph-authoritative referee. Exact synthetic, installed-DAT, complete-resolver, and zero-allocation gates prove bit-identical behavior before connected dual publication.

Co-authored-by: OpenAI Codex <codex@openai.com>
This commit is contained in:
Erik 2026-07-25 15:47:58 +02:00
parent 9cd42417a8
commit f7ff9f4eea
13 changed files with 3907 additions and 46 deletions
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docs/plans/2026-05-12-milestones.md
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@ -128,8 +128,14 @@ prepared-collision interface over the existing single mmap. Two complete
29,908,271,024-byte bakes contain 2,232,170 keys with zero failures and the
same SHA-256 across different worker counts; cancellation/corruption gates and
8,371 solution tests / 5 skips pass.
Slice I4 ports every current collision entry point to integer-indexed flat
assets behind a graph-authoritative referee. Thirteen focused tests, 10,000
randomized static/swept comparisons, 5,000 walkable comparisons, 7,500
installed-DAT comparisons, and 1,200 complete resolver frames have exact
state/float-bit equality; 10,000 warmed flat iterations allocate zero managed
bytes. Release build and 8,384 solution tests / 5 skips pass.
Slice H is complete: retained UI/frame work, exact bounded light selection,
and pooled/borrowed/direct network I/O pass. Slice I is active at I4 under
and pooled/borrowed/direct network I/O pass. Slice I is active at I5 under
[`2026-07-25-modern-runtime-slice-i.md`](2026-07-25-modern-runtime-slice-i.md).
The historical exact G4 visual rollback remains
`git revert ef1d263337997bb030eadb7b8e71d73dc659907a`.