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interop)
src/contextvm.js speaks ContextVM (kind 25910 inside ephemeral gift wraps)
to a coordinator; src/cordn.js is the protocol (KeyPackages with hex-text
identities, the 0xC04D metadata extension, exporter-keyed ChaCha20 sealing,
unsigned nostr-shaped envelopes with the sender as MLS AAD, cordn1 group
refs, a record engine like marmot.js); src/cordn-client.js mirrors
marmot-client.js with the same interface, so the Messages group screens
drive both — New group gains a White Noise / Cordn toggle.
Verified against @cordn/cli (ts-mls) on the public coordinator both ways,
from the engine (tools/cordn-interop-test.js) and from the real app
(tools/cordn-ui-test.js). mls.js: the OpenMLS required_capabilities rule for
GroupContextExtensions now applies only to groups that carry one.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01YRC6aKhwAud231ot9FPmhi
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The Chat tab now speaks the protocol the White Noise app speaks, beside
Concord communities and NIP-17 DMs, without anyone having to pick one:
- A two-person group with no name is a direct message. It lands in the
same thread as that person's NIP-17 messages, and a reply goes back the
way their last message came. A first message goes by White Noise only
to someone whose KeyPackage another app published (a coinos wallet
reads NIP-17 on all its devices; an MLS group reaches one).
- Groups get rows of their own in the Messages list, a New group button,
an invitation card, members, add/remove/rename for admins, leave.
- Every wallet publishes a KeyPackage (kind 30443), so it can be invited.
src/mls.js is RFC 9420 for ciphersuite 0x0001 on the noble libs (no
WebAssembly), with the extensions-draft pieces Marmot needs
(app_data_dictionary, app_data_update, app_ephemeral, self_remove).
src/marmot.js is the Marmot layer: components, the account identity
proof, the 30443/444/445 event shapes and the group engine
(publish-before-apply, retained epochs, same-epoch tie-break).
State is per device, in IndexedDB (src/marmot-store.js). The whole stack
is one lazy chunk (72 KB).
Tested against the RFC 9420 vectors (tools/mls-vectors-test.js) and
against the Rust reference, MDK's wn CLI, at the protocol level
(tools/marmot-interop-test.js) and through the real UI
(tools/marmot-chat-test.js).
Not yet: attachments in these chats, push for group messages, the
app-message witness boost in fork selection.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
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