feat: add integration tests for FlagshipProvider and utility hooks

Author: Heihokon

src/FlagshipHooks.ts

@@ -59,12 +59,10 @@ export const useFlagship = (): UseFlagshipOutput => {
   const { state } = useContext(FlagshipContext)
   const { visitor, config } = state
 
-  // Use refs to prevent callback recreation on visitor changes
   const visitorRef = useLatestRef(visitor)
   const configRef = useLatestRef(config)
   const stateRef = useLatestRef(state)
 
-  // Memoize context to prevent unnecessary recreations
   const visitorContext = useMemo(
     () => ({ ...visitor?.context }),
     [JSON.stringify(visitor?.context)]