CultMesh Browser

cultmesh-browser is the browser-safe CultMesh client boundary. It owns one WebSocket session for a stable Verse/authority-runtime target, retains explicit raw document leases across route replacement, and correlates typed CultNet operations with provider receipts.

It does not own application state and it does not expose direct document writes. A renderer watches provider-owned records and invokes provider-owned operations.

const odin = new CultMeshBrowserOdinRendezvous({
  endpoints: ["wss://odin.example/verse"],
  runtimeId: "counter-browser.discovery",
});

const mesh = await CultMeshBrowserClient.connect({
  verseId: "sample.counter",
  authorityRuntimeId: "sample.counter-daemon",
  runtimeId: "counter-browser",
  rendezvous: odin,
});

const counter = await mesh.leaseRawDocument({
  schemaId: "sample.counter_state.v1",
  recordKey: "counter:main",
});

counter.watch(record => renderCounter(decodeCultNetPayload(record)));

invoke(...) returns the correlated provider response. Routing, schema, and envelope failures reject immediately with CultMeshBrowserOperationError; callers can branch on its stable status and code without parsing prose or waiting for the request timeout. Domain rejections remain typed provider responses because the domain still owns their receipt schema.

CultMeshBrowserOdinRendezvous speaks the canonical CultNet Verse-catalog messages to one or more configured Odin WebSocket endpoints. Application code supplies the Verse and authority-runtime identity; it does not own endpoint selection, reconnect, or resubscription. This is deliberately distinct from an Eve surface's providerId, which identifies the UI provider inside the Verse. The physical socket is a replaceable route, not either stable identity.

Odin returns exact authority-route bindings. The browser selects only routes bound to the requested authority and cultmesh.documents.v1, then performs a session-open handshake. It does not report connected until the peer proves the exact Verse, authority runtime, protocol, and route generation. Operation responses must also name that authority. Legacy catalogs are accepted only when one authority runtime makes the endpoint binding unambiguous.

The browser handshake carries authentication through the host application's ordinary secure cookie or equivalent upgrade credential. The C# host adapter rejects endpoints without an authorization predicate unless anonymous local development is explicitly enabled.

Run scripts/verify-eve-browser-network.mjs --eve-root <path-to-Eve> for the real Chromium + C# headless chronology. The witness publishes a lower-priority decoy endpoint owned by another runtime and proves that neither client connects to it before and after route rotation.

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CultMesh Browser

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