chore: Port openfeature-node-server provider implementation, tests, and CI (#1394)

## Summary

Final code slice of the openfeature-node-server lateral move (SDK-2213).
Lands
the actual provider behavior on top of the inert scaffold from SDK-2216
(PR #1356), wires CI gates around it, and ports the upstream test suite.

This combines the previously-planned CI and impl/tests slices per replan
on
2026-05-08 -- the work was tightly coupled enough that splitting added
review
overhead without much value.

- \`src/LaunchDarklyProvider.ts\` -- ports the upstream provider (~42
lines).
  Extends \`BaseOpenFeatureProvider\` from
\`@launchdarkly/openfeature-js-server-common\`, wires Node SDK
\`update\` events
  to OpenFeature \`ConfigurationChanged\` events, sets \`wrapperName\` /
\`wrapperVersion\` for telemetry. Logger is passed through to the base;
the
  base wraps with \`createSafeLogger\`, so no double-wrap.
- \`src/index.ts\` -- replaces the slice-2 stub with the real export.
- \`__tests__/LaunchDarklyProvider.test.ts\` (413 lines) +
\`TestLogger.ts\` --
  full upstream test port. Provides end-to-end coverage by wiring
\`OpenFeature.setProviderAndWait(ldProvider)\` against
\`LaunchDarklyProvider\`
  whose \`LDClient\` uses \`integrations.TestData\` as the data source.
  Removes the slice-2 placeholder \`scaffold.test.ts\`.
- \`.github/workflows/openfeature-node-server.yaml\` -- new CI workflow
  mirroring \`akamai-base.yml\` via the shared \`actions/ci\` step.
- \`.github/workflows/release-please.yml\` -- adds the workspace_path
option,
the \`package-sdk-openfeature-node-server-released\` output, and a
disabled
  \`release-openfeature-node-server\` job (\`if: false\` until post-GA).
- \`.github/workflows/manual-publish-docs.yml\` -- adds the new
workspace path.

Resolves SDK-2325. Supersedes SDK-2217.

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Medium Risk**
> New flag-evaluation and event-tracking surface on the server path, but
behavior is largely delegated to existing shared provider logic and
covered by extensive tests; automated release remains off (`if: false`).
> 
> **Overview**
> Replaces the `openfeature-node-server` scaffold with a real
**LaunchDarkly OpenFeature provider** for Node: `LaunchDarklyProvider`
extends shared `BaseOpenFeatureProvider`, initializes the Node server
SDK with wrapper telemetry, and maps SDK `update` events to OpenFeature
`ConfigurationChanged`. The public API now exports
`LaunchDarklyProvider` instead of an empty stub.
> 
> Adds a **ported Jest suite** (init/auth failure, flag-change events,
typed evaluations, LD→OpenFeature error mapping, context logging, and
`track` forwarding) plus a small `TestLogger`, and removes the
placeholder scaffold test. **CI/release wiring** adds a dedicated
workflow (Node 20/22 via shared `actions/ci`), registers the package in
manual docs publish and release-please (including bumping
`wrapperVersion` in `LaunchDarklyProvider.ts`), and introduces a
**disabled** `release-openfeature-node-server` job until post-GA.
TypeDoc config is added for the package.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
33f3fc8. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: joker23

.github/workflows/manual-publish-docs.yml

@@ -26,6 +26,7 @@ on:
           - packages/sdk/shopify-oxygen
           - packages/sdk/electron
           - packages/sdk/react
+          - packages/sdk/openfeature-node-server
 name: Publish Documentation
 jobs:
   build-publish:

.github/workflows/openfeature-node-server.yaml

@@ -0,0 +1,34 @@
+name: sdk/openfeature-node-server
+
+on:
+  push:
+    branches: [main, 'feat/**']
+    paths-ignore:
+      - '**.md' #Do not need to run CI for markdown changes.
+  pull_request:
+    branches: [main, 'feat/**']
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build-test-openfeature-node-server:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        # Node versions to run on.
+        version: [20, 22]
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: ./actions/setup-yarn
+        with:
+          node-version: ${{ matrix.version }}
+          registry-url: 'https://registry.npmjs.org'
+      - id: shared
+        name: Shared CI Steps
+        uses: ./actions/ci
+        with:
+          workspace_name: '@launchdarkly/openfeature-node-server'
+          workspace_path: packages/sdk/openfeature-node-server
+      # TODO: Add contract tests

.github/workflows/release-please.yml

@@ -62,6 +62,7 @@ on:
           - packages/sdk/shopify-oxygen
           - packages/sdk/electron
           - packages/sdk/react
+          - packages/sdk/openfeature-node-server
       prerelease:
         description: 'Is this a prerelease. If so, then the latest tag will not be updated in npm.'
         type: boolean
@@ -105,6 +106,7 @@ jobs:
       package-sdk-shopify-oxygen-released: ${{ steps.release.outputs['packages/sdk/shopify-oxygen--release_created'] }}
       package-sdk-electron-released: ${{ steps.release.outputs['packages/sdk/electron--release_created'] }}
       package-sdk-react-released: ${{ steps.release.outputs['packages/sdk/react--release_created'] }}
+      package-sdk-openfeature-node-server-released: ${{ steps.release.outputs['packages/sdk/openfeature-node-server--release_created'] }}
     steps:
       - uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7 # v5.0
         id: release
@@ -519,6 +521,24 @@ jobs:
           workspace_path: packages/sdk/react
           aws_assume_role: ${{ vars.AWS_ROLE_ARN }}
 
+  release-openfeature-node-server:
+    runs-on: ubuntu-latest
+    needs: ['release-please', 'release-server-node']
+    permissions:
+      id-token: write
+      contents: write
+    # if: ${{ always() && !failure() && !cancelled() && needs.release-please.outputs.package-sdk-openfeature-node-server-released == 'true'}}
+    # TODO: Uncomment this when the package is ready to be released.
+    if: false
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - id: release-openfeature-node-server
+        name: Full release of packages/sdk/openfeature-node-server
+        uses: ./actions/full-release
+        with:
+          workspace_path: packages/sdk/openfeature-node-server
+          aws_assume_role: ${{ vars.AWS_ROLE_ARN }}
+
   manual-publish:
     runs-on: ubuntu-latest
     if: github.event_name == 'workflow_dispatch'