Fix

packages/effect-fc/src/Hook.ts

@@ -167,10 +167,13 @@ export const useFork: {
     React.useEffect(() => {
         const scope = Runtime.runSync(runtime)(options?.scope
             ? Scope.fork(options.scope, options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
-            : Scope.make(options?.finalizerExecutionStrategy)
+            : Scope.make(options?.finalizerExecutionStrategy ?? ExecutionStrategy.sequential)
         )
         Runtime.runFork(runtime)(Effect.provideService(effect(), Scope.Scope, scope), { ...options, scope })
-        return () => closeScope(scope, runtime, options)
+        return () => closeScope(scope, runtime, {
+            ...options,
+            finalizerExecutionMode: options?.finalizerExecutionMode ?? "fork",
+        })
     }, deps)
 })
 

packages/example/src/routes/index.tsx

@@ -13,6 +13,6 @@ export const Route = createFileRoute("/")({
         const context = yield* Hook.useContextSync(TodosStateLive, { finalizerExecutionMode: "fork" })
         return yield* Effect.provide(Component.use(Todos, Todos => <Todos />), context)
     }).pipe(
-        Component.withRuntime(runtime.context),
+        Component.withRuntime(runtime.context)
     )
 })