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openspec/archive/2026-05-12-enterprise-server-network-trystero-server/proposal.md

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+# OpenSpec Change: enterprise-server-network-trystero-server
+
+- **Change ID**: enterprise-server-network-trystero-server
+- **Package**: `@suaveplan/network-trystero-server`
+- **Category**: server/network
+- **Target path**: `server/network/network-trystero-server`
+- **Status**: SUPERSEDED-BY-GENESIS-WAVE
+- **Date**: 2026-04-24
+- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/network-trystero-server.md`
+
+---
+
+## Summary
+
+Deliver `@suaveplan/network-trystero-server` on the genesis branch from scratch at enterprise quality. Trystero enables serverless WebRTC mesh networking using public signalling infrastructure (BitTorrent DHT, Nostr, Firebase, MQTT, Supabase). This server-side package provides a Node.js host that can act as a persistent relay peer within a Trystero room — bridging browser peers, relaying data, and optionally recording room state. It wraps Trystero's `joinRoom` API into a typed `TrysteroServerAdapter` with room lifecycle, peer events, typed data channels, and full OTel observability.
+
+---
+
+## Current-state audit (genesis)
+
+Does not exist on genesis — fresh build.
+
+---
+
+## Available workspace deps on genesis
+
+| Package | Role |
+|---|---|
+| `@suaveplan/error` (`workspace:^`) | Typed `NETWORK_TRYSTERO.*` error codes |
+| `@suaveplan/types` (`workspace:^`) | `LoggerLike` |
+| `@suaveplan/events` (`workspace:^`) | Internal event routing |
+| `@suaveplan/logger` (`workspace:^`) | Structured logs |
+| `zod` (`catalog:forms`) | Options validation |
+| `@opentelemetry/api` (`catalog:observability`) | Gauges + counters |
+| `trystero` (`catalog:network`) | WebRTC signalling library |
+| `tslib` (`catalog:build`) | Runtime helpers |
+
+---
+
+## Public API surface
+
+```ts
+class TrysteroServerAdapter {
+  constructor(options: TrysteroServerOptions)
+  join(roomId: string): Promise<void>
+  leave(roomId: string): Promise<void>
+  send(roomId: string, channelName: string, data: unknown, peerId?: string): void
+  onData(roomId: string, channelName: string, handler: (data: unknown, peerId: string) => void): () => void
+  onPeerJoin(roomId: string, handler: (peerId: string) => void): () => void
+  onPeerLeave(roomId: string, handler: (peerId: string) => void): () => void
+  peers(roomId: string): string[]
+  leaveAll(): Promise<void>
+}
+
+function createTrysteroServerAdapter(options: TrysteroServerOptions): TrysteroServerAdapter
+
+interface TrysteroServerOptions {
+  strategy: 'torrent' | 'nostr' | 'mqtt' | 'supabase'
+  appId: string
+  password?: string
+  relayUrls?: string[]      // for nostr / mqtt strategies
+  logger?: LoggerLike
+}
+
+const TrysteroServerOptionsSchema: z.ZodSchema<TrysteroServerOptions>
+
+type TrysteroErrorCode =
+  | 'NETWORK_TRYSTERO_JOIN_FAILED'
+  | 'NETWORK_TRYSTERO_SEND_FAILED'
+  | 'NETWORK_TRYSTERO_LEAVE_FAILED'
+  | 'NETWORK_TRYSTERO_STRATEGY_UNSUPPORTED'
+
+function registerTrysteroErrorCodes(): void
+```
+
+---
+
+## File layout
+
+```text
+server/network/network-trystero-server/
+  package.json
+  tsconfig.json
+  vitest.config.ts
+  src/
+    index.ts
+    error-codes.ts
+    constants/index.ts
+    types/
+      trystero-server.types.ts
+      trystero-server.types.md
+    adapter/
+      trystero-server-adapter/
+        trystero-server-adapter.ts
+        trystero-server-adapter.md
+        trystero-server-adapter.types.ts
+        trystero-server-adapter.test.ts
+        index.ts
+  tests/
+    integration.test.ts
+```
+
+---
+
+## Impact
+
+Downstream: browser-to-server WebRTC bridge, real-time multiplayer relay. Requires Node.js and network access for integration tests.
+
+**Prerequisites on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/events`, `@suaveplan/logger`.