wai: proof that an ad was presented — a player-signed presentation claim, and a spend that counts only presented impressions (E7) #398
2026-10-21
Merge origin/main into wai/ad-presentation (access services)
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Co-Authored-By: Claude Opus 5.5 <[email protected]>
Merge origin/main into wai/ad-presentation (room e2e window wait)
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Merge origin/main into wai/ad-presentation (settlement, contribution, shared lists)
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Merge origin/main into wai/ad-presentation (IETF draft, timing-test fix)
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Co-Authored-By: Claude Opus 5.5 <[email protected]>
Merge remote-tracking branch 'origin/main' into wai/ad-presentation
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# Conflicts: # .github/workflows/wai-conformance.yml # wai/CHANGELOG.md # wai/REGISTRY.md # wai/SPEC.md # wai/live-conformance/README.md # wai/wai-rs/src/codecs/registry.rs
wai ad-presentation: name RFC 9578's vector by its place, not a count
Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai: register wai.live.ad_presentation; a reference producer in the browser client; CI
The registry lists the record and the WPC1 magic (the export regenerated), SPEC §5 describes the claim and the billing rule, and the CHANGELOG records them. joule-moq-web gains web/ads/presentation.js, a span recorder over a video element and the claim's writer and signer on WebCrypto's Ed25519, whose node tests turn observation sequences into the corpus's claims byte for byte; no page plays ads yet. wai-conformance runs the module's tests, the corpus test, ad_presentation_verify.py and the producer's tests; joule-moq-web's e2e script runs the producer's tests with the page's other unit tests. Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai: the ad-presentation extension, its corpus README and an independent verifier
extensions/ad-presentation.md defines the WPC1 claim, the session a session key names, the creative digest, the video and cross-media viewability rules as their texts state them, the quartile, the RFC 9577 token bound to one impression and verified as RFC 9578 §6.4 has it, the presentation fields of a WAP1 policy of version 2, and each claim's verdict; live-ads.md takes the version and the spend that counts. ad_presentation_verify.py is written from the text, verifies RFC 9578's own vector, gives every claim the corpus's verdict, and catches every mutated copy and every check dropped from itself. The corpus gains a signed claim that breaks a span rule. Co-Authored-By: Claude Opus 5.5 <[email protected]>
wai-rs live_ads: presentation claims, and a spend that counts only presented impressions
A player's signed claim (WPC1) that it presented one impression of a live-ads break: the creative's objects it presented, spans of its media time with the fraction of pixels in view and audibility, the geometry they were measured over, a rendered-frame count, and an optional RFC 9577 token bound to the impression through its challenge and verified as RFC 9578 §6.4 does for type 0x0002. An ad policy of version 2 requires claims (and optionally an attestation and an audible run) under the video or cross-media viewability rule; the room verifier's spend-equivalence then counts only impressions whose claim verifies. The corpus live-conformance/presentation/ is generated from fixed seeds. Co-Authored-By: Claude Opus 5.5 <[email protected]>