The worker runs without JSPI: iroh identity from the seed - #169
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…-guest polymorph-iroh 8ca991e adds identity-from-seed behind the guest-ed25519-signing feature: the endpoint holds its private key and signs with ed25519-dalek in-guest, so rustls's synchronous Signer::sign no longer blocks on an async webcrypto import and the accept side of a QUIC handshake needs no JSPI. The runtime world imports identity-from-seed in place of identity-from-keys and the ed25519 webcrypto interfaces; the endpoint component is built locally with the feature (the JSR artifact excludes it) by just endpoint at the pinned rev. Every realm is jspi:false and the browser floor is multi-memory alone. The trade is recorded in docs/design.md: identity signatures run in wasm rather than the platform's native crypto, and the seed rests in the endpoint's memory.
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polymorph-iroh's feature-gated
identity-from-seed(8ca991e) signs in-guest, so the worker's JSPI exception goes: every realm isjspi: false, pinned byweb/jspi_test.ts. The endpoint component is built locally with--features guest-ed25519-signing(just endpoint, ~17 s cold, cached in CI by sha); the JSR@polymorph/irohdependency is dropped. The trade (wasm ed25519-dalek instead of the platform's native crypto; the seed in the endpoint's memory) is recorded in design.md "No JSPI". e2e 17/17 ×2 including the QUIC accept path that stalled in M3a. Automerge armed.