chore(deps): bump vite, @vitest/coverage-v8 and vitest

flagsmith-engine/evaluation/evaluationContext/evaluationContext.types.ts

@@ -100,6 +100,10 @@ export type Enabled = boolean;
  * A default environment value for the feature. If the feature is multivariate, this will be the control value.
  */
 export type Value2 = string | number | boolean | null;
+/**
+ * A stable, human-readable identifier for the variant. Omitted when the variant has no key set.
+ */
+export type Key4 = string;
 /**
  * The value of the feature.
  */
@@ -222,6 +226,7 @@ export interface FeatureContext {
  * Represents a multivariate value for a feature flag.
  */
 export interface FeatureValue {
+    key?: Key4;
     value: Value3;
     weight: Weight;
     priority: VariantPriority;

flagsmith-engine/evaluation/evaluationResult/evaluationResult.types.ts

@@ -21,6 +21,10 @@ export type Value = string | number | boolean | null;
  * Reason for the feature flag evaluation.
  */
 export type Reason = string;
+/**
+ * A stable identifier of the multivariate variant the identity was bucketed into: the variant's key, "control" for the control bucket, or null when no multivariate split applied (a standard feature, an unkeyed variant, or evaluation without an identity).
+ */
+export type Variant = string | null;
 /**
  * Segment name.
  */
@@ -49,6 +53,7 @@ export interface FlagResult {
     enabled: Enabled;
     value: Value;
     reason: Reason;
+    variant: Variant;
     metadata?: FeatureMetadata;
     [k: string]: unknown;
 }