open-standards/wai/feed-conformance
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Transaction Science df20c392d8 wai: interactive + temporal cargo classes, provenance, telepresence
Adds the "carries whatever it can reconstruct, verifies whatever it
carries" surface on top of the existing neural/codec WAI. All builds
green against this base (wai-rs all-features tests + clippy, wai-web
wasm, wai-spz-gen, wai-relay).

Reconstruct half — each a spec + conformance corpus + in-tab browser
sink that re-derives the corpus hash, over one wai.det.fixed64 floor:
  - interactive worlds      replay-equivalence   (3 sim registrants,
    relay multiplayer, session receipts, glTF + real-SPZ assets)
  - spatial audio           mixdown-equivalence
  - haptics                 sample-equivalence
  - state-feeds             replay-equivalence  (non-physics sim)
  - avatars / digital humans  pose-equivalence  (+ telepresence)
  - volumetric / 4D splats  frame-state-equivalence (WebGPU EWA render)

Verify half (lever 4):
  - asset provenance — signed, energy-accounted lineage for opaque
    captured content WAI does not reconstruct; tamper-evident in-tab.

Cross-cutting: per-class JWP receipt profiles; a native energy meter
(IOReport via macmon, no sudo) emitting receipts with real measured
joules. Codecs gated behind a `codecs` feature (default on) so the
world/wasm sinks build without the C codec chain.

Excludes the separately-evolving neural subsystem (semantic path, GLC
rANS, ONNX tooling) to avoid reverting newer origin work.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-13 23:16:42 -04:00
..
vectors wai: interactive + temporal cargo classes, provenance, telepresence 2026-06-13 23:16:42 -04:00
expected_hashes.json wai: interactive + temporal cargo classes, provenance, telepresence 2026-06-13 23:16:42 -04:00
README.md wai: interactive + temporal cargo classes, provenance, telepresence 2026-06-13 23:16:42 -04:00

State-Feeds Conformance Corpus

Vectors for the state-feeds extension (wai.feed.state). The criterion is replay-equivalence, reused wholesale from interactive worlds: given the same world container and the same signed op set, a conforming sink MUST compute the identical BLAKE3 state hash at every checkpoint — on every machine, no tolerance parameter. A state-feed is a non-physics world whose sim (wai.world.sim.feed0) is the identity step; convergence comes entirely from applying typed-field updates in the canonical total order.

The container is the worlds WWLD; the node is a record of self-describing typed cells (Int i64, Fixed Q32.32, Text UTF-8). Mutations: CREATE / DELETE / SET_CELL (LWW) and ADD_INT / ADD_FIXED (SUM — commutative accumulation).

Layout

  • vectors/<name>.wwld — a sealed wai.world.replay feed; the manifest carries its per-tick checkpoint hashes.
  • vectors/<name>.ops — a raw op log delivered against scene.wwld in an adversarial arrival order; the manifest carries the one final_hash every conformant sink must reach.
  • expected_hashes.json — per vector: type, and the expected hashes.

Vectors:

  • scoreboard — two team records; scores rise by SUM increments (order-independent within a tick) with one LWW correction.
  • telemetry — a sensor record; temperature set absolutely (LWW), packet count accumulated (SUM), including a negative ADD_FIXED.
  • market_ticks — an instrument record; last price is LWW, volume is SUM.
  • scoreboard_shuffled_{1,2,3} — the scoreboard op stream in three seeded shuffles; all converge to the sealed final hash.

Running

cd ../wai-rs
cargo run --features world --bin wai_feed_vectors -- verify ../feed-conformance
cargo run --features world --bin wai_feed_vectors -- gen    ../feed-conformance   # regenerate

Pass = checkpoint/final hash equality.