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openspec/archive/2026-05-12-enterprise-server-network-libp2p-server/proposal.md

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+# OpenSpec Change: enterprise-server-network-libp2p-server
+
+- **Change ID**: enterprise-server-network-libp2p-server
+- **Package**: `@suaveplan/network-libp2p-server`
+- **Category**: server/network
+- **Target path**: `server/network/network-libp2p-server`
+- **Status**: SUPERSEDED-BY-GENESIS-WAVE
+- **Date**: 2026-04-24
+- **Reference spec**: `/mnt/s/web/suaveplan/enterprise/network-libp2p-server.md`
+
+---
+
+## Summary
+
+Deliver `@suaveplan/network-libp2p-server` on the genesis branch from scratch at enterprise quality. The package provides a server-side libp2p node with TCP + WebSocket transports, noise encryption, yamux stream multiplexing, Kad-DHT peer discovery, GossipSub pub/sub, and a typed `Libp2pServerAdapter` facade. It exposes `start` / `stop`, `subscribe` / `publish` for topic-based messaging, `dialPeer`, and `peers` queries. Genesis adds Zod-validated options, `@suaveplan/error` codes, OTel spans/counters, retry on dial failures, and full integration tests using two in-process nodes.
+
+---
+
+## Current-state audit (genesis)
+
+Does not exist on genesis — fresh build.
+
+---
+
+## Available workspace deps on genesis
+
+| Package | Role |
+|---|---|
+| `@suaveplan/error` (`workspace:^`) | Typed `NETWORK_LIBP2P.*` error codes |
+| `@suaveplan/types` (`workspace:^`) | `LoggerLike` |
+| `@suaveplan/events` (`workspace:^`) | Internal event routing |
+| `@suaveplan/retry` (`workspace:^`) | Dial retry |
+| `@suaveplan/logger` (`workspace:^`) | Structured logs |
+| `zod` (`catalog:forms`) | Options validation |
+| `@opentelemetry/api` (`catalog:observability`) | Spans + gauges |
+| `libp2p` (`catalog:network`) | Core libp2p |
+| `@libp2p/tcp` / `@libp2p/websockets` / `@chainsafe/libp2p-noise` / `@chainsafe/libp2p-yamux` / `@libp2p/kad-dht` / `@chainsafe/libp2p-gossipsub` (all `catalog:network`) | Transport + protocol stack |
+| `tslib` (`catalog:build`) | Runtime helpers |
+
+---
+
+## Public API surface
+
+```ts
+class Libp2pServerAdapter {
+  constructor(options: Libp2pServerOptions)
+  start(): Promise<void>
+  stop(): Promise<void>
+  peerId(): string
+  multiaddrs(): string[]
+  peers(): string[]
+  dialPeer(multiaddr: string): Promise<void>
+  subscribe(topic: string, handler: (from: string, data: Uint8Array) => void): () => void
+  publish(topic: string, data: Uint8Array): Promise<void>
+  isStarted(): boolean
+}
+
+function createLibp2pServerAdapter(options: Libp2pServerOptions): Libp2pServerAdapter
+
+interface Libp2pServerOptions {
+  listenAddresses?: string[]       // default: ['/ip4/0.0.0.0/tcp/0']
+  bootstrapPeers?: string[]
+  dhtEnabled?: boolean             // default: true
+  gossipEnabled?: boolean          // default: true
+  logger?: LoggerLike
+}
+
+const Libp2pServerOptionsSchema: z.ZodSchema<Libp2pServerOptions>
+
+type Libp2pErrorCode =
+  | 'NETWORK_LIBP2P_START_FAILED'
+  | 'NETWORK_LIBP2P_DIAL_FAILED'
+  | 'NETWORK_LIBP2P_PUBLISH_FAILED'
+  | 'NETWORK_LIBP2P_STOP_FAILED'
+
+function registerLibp2pErrorCodes(): void
+```
+
+---
+
+## File layout
+
+```text
+server/network/network-libp2p-server/
+  package.json
+  tsconfig.json
+  vitest.config.ts
+  src/
+    index.ts
+    error-codes.ts
+    constants/index.ts
+    types/
+      libp2p-server.types.ts
+      libp2p-server.types.md
+    adapter/
+      libp2p-server-adapter/
+        libp2p-server-adapter.ts
+        libp2p-server-adapter.md
+        libp2p-server-adapter.types.ts
+        libp2p-server-adapter.test.ts
+        index.ts
+  tests/
+    integration.test.ts
+```
+
+---
+
+## Impact
+
+Downstream: platform network mesh features. Server-only — Node.js required.
+
+**Prerequisites on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/events`, `@suaveplan/retry`, `@suaveplan/logger`.

openspec/archive/2026-05-12-enterprise-server-network-libp2p-server/tasks.md

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+# Tasks: enterprise-server-network-libp2p-server
+
+**Change ID**: enterprise-server-network-libp2p-server
+**Package**: `@suaveplan/network-libp2p-server`
+**Target path**: `server/network/network-libp2p-server`
+**Prerequisites on Verdaccio**: `@suaveplan/error`, `@suaveplan/types`, `@suaveplan/events`, `@suaveplan/retry`, `@suaveplan/logger`
+
+---
+
+## 1. Scaffold
+
+- [x] Create directory tree per `proposal.md`.
+- [x] `package.json` at `0.1.0`, `"sideEffects": false`, exports `"."` + `adapter` subpath.
+- [x] Deps: all workspace and catalog deps listed in proposal.
+- [x] DevDeps: `vitest catalog:testing`, `@vitest/coverage-istanbul catalog:testing`, `@suaveplan/testing workspace:^`.
+- [x] `tsconfig.json` extending `library-node.json`; `vitest.config.ts` with `pool: 'forks'`, `setupFiles: ['@suaveplan/testing/polyfills']`.
+- [x] Scripts: `lint`, `typecheck`, `test`, `test:coverage`, `build`, `docs:check`.
+
+## 2. Types and errors
+
+- [x] Define `Libp2pServerOptions`, `Libp2pServerOptionsSchema` in `src/types/libp2p-server.types.ts`.
+- [x] Write `libp2p-server.types.md` (≥200 words).
+- [x] `src/error-codes.ts`: four codes with metadata; `registerLibp2pErrorCodes()`; eager call.
+
+## 3. Adapter implementation
+
+- [x] Implement `Libp2pServerAdapter` in `src/adapter/libp2p-server-adapter/libp2p-server-adapter.ts`:
+  - Constructor builds `createLibp2p({...})` config from options — TCP + WS transports, Noise, Yamux, KadDHT (when `dhtEnabled`), GossipSub (when `gossipEnabled`).
+  - `start()`: `await node.start()`; throw `NETWORK_LIBP2P_START_FAILED` on error; OTel span.
+  - `stop()`: `await node.stop()`; unsubscribe all handlers; OTel span.
+  - `peerId()` / `multiaddrs()` / `peers()`: delegate to libp2p node.
+  - `dialPeer(multiaddr)`: retry up to `maxRetries` with `@suaveplan/retry`; throw `NETWORK_LIBP2P_DIAL_FAILED` on exhaustion; OTel span.
+  - `subscribe(topic, handler)`: GossipSub topic subscription; return unsubscribe fn.
+  - `publish(topic, data)`: GossipSub publish; throw `NETWORK_LIBP2P_PUBLISH_FAILED` on error.
+  - OTel gauge `network_libp2p.peer_count`; counter `network_libp2p.messages_total`.
+- [x] Write `libp2p-server-adapter.types.ts` with internal types.
+- [x] Write `libp2p-server-adapter.test.ts` (≤500 lines): two in-process nodes; start/stop lifecycle; dial + subscribe + publish round-trip; peer count updates; `{ timeout: 30000 }`.
+- [x] Write `libp2p-server-adapter.md` (≥200 words, simple + advanced, API reference).
+
+## 4. Integration tests
+
+- [x] `tests/integration.test.ts`: three-node mesh — each node subscribes same topic, one publishes, others receive; graceful stop propagates disconnect event; `{ timeout: 30000 }`.
+
+## 5. OTel + docs
+
+- [x] All OTel instrumentation per proposal.
+- [x] Root `README.md`: quick-start two-node example, subscribe/publish example, bootstrap peers setup, API table.
+
+## 6. Verify and publish
+
+- [x] `bunx turbo lint --filter=@suaveplan/network-libp2p-server` — zero errors.
+- [x] `bunx turbo typecheck --filter=@suaveplan/network-libp2p-server` — zero errors.
+- [x] `bunx turbo test --filter=@suaveplan/network-libp2p-server` — all pass.
+- [x] `bunx turbo test:coverage --filter=@suaveplan/network-libp2p-server` — 100%.
+- [x] `bun scripts/publish.ts --package @suaveplan/network-libp2p-server`.
+- [x] Update `CLAUDE.md`; archive to `openspec/archive/2026-04-24-enterprise-server-network-libp2p-server/`.