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feat(content): bake and read flat collision assets

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Append strict collision/topology payloads to the existing prepared package so later physics cutover can drop parsed DAT graphs without adding a second mapping or changing traversal behavior. The full 2,232,170-key catalog is deterministic across worker counts, exact-byte aliased, corruption-isolated, and cancellation-safe.
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Erik 2026-07-25 15:22:08 +02:00
parent d9300c7854
commit 9cd42417a8
29 changed files with 2868 additions and 63 deletions
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12
docs/plans/2026-07-25-modern-runtime-slice-i.md
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@ -1,7 +1,8 @@
# Modern runtime Slice I — flat collision assets and zero-allocation physics
**Status:** I0–I2 COMPLETE — retail oracle, zero-allocation transition
scratch, and deterministic immutable collision records fixed; I3 active
**Status:** I0–I3 COMPLETE — retail oracle, zero-allocation transition
scratch, deterministic immutable collision records, and complete prepared
package fixed; I4 active
**Parent:** `2026-07-24-modern-runtime-architecture.md`, Slice I
**Purpose:** remove parsed DAT object graphs and steady collision allocations
without changing one retail collision decision, float, comparison, or traversal
@ -176,7 +177,12 @@ Evidence:
Gate: two independent bakes are byte-identical; every collision key required
by the canonical route is present; a failed/cancelled bake cannot replace the
last good pak.
last good pak. **PASSED 2026-07-25:** two complete 29,908,271,024-byte bakes
with different worker counts produced the same SHA-256 and 2,232,170 typed
keys with zero failures. Strict serialization/corruption/cancellation gates,
representative installed-package reads, Release build, and 8,371 solution
tests / 5 skips pass. Production traversal remains graph-only. Evidence:
[`../research/2026-07-25-slice-i3-prepared-collision-package.md`](../research/2026-07-25-slice-i3-prepared-collision-package.md).
### I4 — flat traversal shadow implementation