Combining Services in a Runtime Without Repeated Dependencies

class A extends Effect.Service<A>()("A", {
  succeed: { doTheThing: () => Effect.succeed(true) }
}) {}

class B extends Effect.Service<B>()("B", {
  effect: Effect.gen(function*() {
    const a = yield* A
    return {}
  })
}) {}

class C extends Effect.Service<C>()("C", {
  effect: Effect.gen(function*() {
    const a = yield* A
    return {}
  })
}) {}

const MainLayerLive = Layer.mergeAll(
  A.Default,
  // Goal: Simplify this duplication.
  B.Default.pipe(Layer.provide(A.Default)),
  C.Default.pipe(Layer.provide(A.Default))
)
const ServerRuntime = ManagedRuntime.make(MainLayerLive)