feat: only warn about missing feature context when feature is used

[Swiftwork]

• Only emit evaluation events for a single feature instead of all if a feature key is provided.
• Only warn about missing feature context when the feature is used (isEnabled or config).
• Added noUncheckedIndexedAccess option to tsconfig.json for stricter type checking.
• Modified getFeatureDefinitions method to now return synchronousFeatureDefinition[].
• Enhanced error handling in _getFeaturesRemote method (now returns a disabled feature rather than undefined when feature is missing).
• Updated tests to reflect changes in feature handling and context warnings.

[Copilot]

Pull Request Overview

This PR refactors feature flag evaluation to only warn about missing context fields when a feature is actually used, rather than during bulk feature retrieval. The changes include adding stricter TypeScript checking, updating API method signatures, and enhancing error handling.

• Modified feature definition retrieval to be synchronous and changed warning behavior to trigger on feature access
• Added stricter TypeScript type checking with noUncheckedIndexedAccess option
• Enhanced error handling in remote feature fetching methods

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/openfeature-node-provider/src/index.ts	Updated to use synchronous getFeatureDefinitions() method
packages/openfeature-node-provider/package.json	Version bump and dependency update to node-sdk 1.10.0
packages/node-sdk/tsconfig.json	Added noUncheckedIndexedAccess for stricter type checking
packages/node-sdk/test/client.test.ts	Updated tests to reflect new warning behavior and removed obsolete test cases
packages/node-sdk/src/types.ts	Changed API response types to be more specific and use Record instead of array
packages/node-sdk/src/rate-limiter.ts	Added null check for rate limiter timestamp handling
packages/node-sdk/src/client.ts	Major refactor of feature evaluation logic and warning system
packages/node-sdk/package.json	Version bump to 1.10.0

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[pavkam]

Left a few comments, but approving as it looks good in general.