Sterister
8c606ad498
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Two interlocking robustness fixes for the duplicate-fan-out / first-contact
class of failures Prism reported.
1. `Shade.receive(from, env)` now queues its `manager.decrypt` step
per `from` so concurrent dispatches can't race the SessionManager
ratchet or the StorageProvider (sqlite "database is locked", IDB
transaction conflicts). User message handlers run *outside* the
queue so streams + file-RPC's nested `shade.receive` calls don't
self-deadlock.
2. Bridge WS + SSE handlers now run a per-connection bounded msgId
LRU as defense-in-depth against any flushTo re-entry (event-storm,
future refactor). Pending-flush chains are wrapped in `.catch(() =>
{})` so a transient `ws.send` rejection no longer poisons the
connection's flush loop.
Tests: storming `inbox.blob_stored` 10× per PUT yields exactly one WS/
SSE frame; 8 concurrent `bob.receive('alice', envelope)` calls keep
the ratchet intact and never surface "database is locked".
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@shade/transport-bridge
Transport-agnostic delivery for Shade: WS → SSE → long-poll, in priority
order, behind a single IncomingMessage interface.
import {
FallbackBridgeTransport,
WsBridge,
SseBridge,
LongPollBridge,
} from '@shade/transport-bridge';
const auth = { crypto, signingPrivateKey, address: 'bob' };
const bridge = new FallbackBridgeTransport([
new WsBridge({ baseUrl, auth }),
new SseBridge({ baseUrl, auth }),
new LongPollBridge({ baseUrl, auth }),
]);
await bridge.connect({
onMessage: (msg) => {
// msg: { from: string; bytes: Uint8Array; receivedAt: number; msgId?: string }
},
});
console.log(bridge.activeKind); // "ws" | "sse" | "long-poll"
Pair with createBridgeRoutes in @shade/inbox-server to expose the
matching /v1/bridge/{stream,poll,ws} endpoints. Full design + threat
model in docs/transport.md.
What it solves
Browser extensions, strict corporate proxies, and edge runtimes routinely block long-lived WebSockets. Apps that already use the Shade inbox shouldn't have to write three custom delivery paths to handle the realistic mix of hostile networks they ship into. This package is the canonical answer.
Status
V3.7. Stable wire format, additive change to @shade/inbox-server. See
CHANGELOG.