chore: Update sdk_metadata features

[devin-ai-integration]

Requirements

• I have added test coverage for new or changed functionality — N/A, metadata-only change
• I have followed the repository's pull request submission guidelines
• I have validated my changes against all supported platform versions — N/A, metadata-only change

Related issues

Part of a cross-repo effort to populate features in .sdk_metadata.json for all LaunchDarkly SDKs.

Describe the solution you've provided

Adds a features map to the lua-server-sdk entry in .sdk_metadata.json, documenting which SDK features are supported and the version they were introduced. Feature keys use the canonical camelCase names from sdk-meta/feature_info.json, and introduction versions are sourced from the SDK features documentation table (server-side SDKs L-Z, Lua column) and verified against CHANGELOG.md and source code.

Features included (13 total, alphabetical): allFlags, appMetadata, contexts, experimentation, inlineContextCustomEvents, offlineMode, privateAttrs, relayProxyDaemon, relayProxyProxy, storingData, storingDataRedis, track, variationDetail.

Updates since last revision

• Added contexts with introduced version "2.0" — verified against CHANGELOG.md entry under ## [2.0.0].
• Added storingDataRedis with introduced version "1.0" — verified against CHANGELOG.md entry under 1.0.0-beta.3. Version 1.0 used since pre-1.0 releases were betas.
• Added appMetadata and offlineMode — inherited from the C++ server SDK. The Lua SDK wraps the C++ server SDK and exposes config.appInfo and config.offline fields.
• Corrected appMetadata from "1.0" to "2.0" — git history shows config.appInfo was first introduced in commit 95e9718 (feat!: use C++ Server-side SDK 3.0 bindings), whose earliest tag is v2.0.0. offlineMode remains at "1.0" because config.offline was present since 1.0.0-beta.3.

Human review checklist

• Verify the introduction versions match expectations — most were sourced from the docs table; contexts at "2.0" and storingDataRedis at "1.0" were verified against CHANGELOG.md
• Confirm storingDataRedis: "1.0" — the Redis module was introduced in 1.0.0-beta.3. Verified that 1.0 is the correct version to use (consistent with the convention that pre-1.0 betas are not counted)
• Verify appMetadata: "2.0" — corrected from 1.0 after review. Commit 95e9718 (C++ SDK 3.0 bindings) is the first to add config.appInfo, and the earliest tag containing it is v2.0.0
• Verify offlineMode: "1.0" — config.offline was present in 1.0.0-beta.3 (commit c4917d9), so 1.0 is correct
• Verify inlineContextCustomEvents version "2.1.3" — this is a patch-level version; confirm it is correct
• Confirm no other features are inherited from the C++ server SDK that should also be listed (hooks, bigSegments, webProxy were checked and are not exposed in the Lua SDK code)

Additional context

Link to Devin session
Requested by: Aaron Zeisler

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Note

Low Risk
Low risk metadata-only update; no runtime code paths change, but downstream consumers of .sdk_metadata.json may alter behavior based on the newly declared feature set/versions.

Overview
Adds a features map to the lua-server-sdk entry in .sdk_metadata.json, documenting supported SDK capabilities and the version each was introduced (e.g., contexts at 2.0, inlineContextCustomEvents at 2.1.3, plus other core features like allFlags, track, and variationDetail).

^{Written by Cursor Bugbot for commit 3bf8bb0. This will update automatically on new commits. Configure here.}

[devin-ai-integration]

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[aaron-zeisler]

Devin: I believe the storingDataRedis feature should be supported in v 1.0, based on the changelog from 1.0.0-beta.3 (specifically the line "Added launchdarkly_server_sdk_redis module to support Redis as an external feature store"). Can you verify and update the code?

[devin-ai-integration]

Done — added storingDataRedis at version 1.0. Verified via CHANGELOG entry under 1.0.0-beta.3: "Added launchdarkly_server_sdk_redis module to support Redis as an external feature store." Since 1.0 is the first stable release, used 1.0 as the introduced version.

[kinyoklion]

Devin, this SDK is a wrapper around the C++ server SDK, so some features are inherited from it. In this SDK you may have to check the code for some features. For example "appMetadata" is supported in our C++ server SDK, and lua has @tparam[opt] table config.appInfo Specify metadata related to your application., which lets you use that feature of the C++ SDK.

[kinyoklion]

 FIELD("offline", LUA_TBOOLEAN, parse_bool, LDServerConfigBuilder_Offline)

[devin-ai-integration]

Good catch — added both inherited features from the C++ server SDK:

• appMetadata at 1.0 — confirmed via config.appInfo field in launchdarkly-server-sdk.c (lines 942-947, 972)
• offlineMode at 1.0 — confirmed via FIELD("offline", LUA_TBOOLEAN, parse_bool, LDServerConfigBuilder_Offline) (line 974)

I also checked for other C++ server SDK features (hooks, bigSegments, webProxy, testData, fileData) but none of those are exposed in the Lua SDK code. Now 13 features total.

[kinyoklion]

Devin, this looks like it was introduced in this PR: 95e9718

Which would not correlate to 1.0.

[devin-ai-integration]

You're right — I checked the git history and commit 95e9718 (feat!: use C++ Server-side SDK 3.0 bindings) is the first one that adds config.appInfo. The earliest tag containing that commit is v2.0.0, so I've corrected appMetadata from 1.0 → 2.0.

Note: offlineMode remains at 1.0 because the offline config option was present since 1.0.0-beta.3 (commit c4917d9).