align AiPlan constructor to fallback

[mikearnaldi]

import { AiLanguageModel, AiModels, AiPlan } from "@effect/ai"
import { AnthropicClient, AnthropicLanguageModel } from "@effect/ai-anthropic"
import { OpenAiClient, OpenAiLanguageModel } from "@effect/ai-openai"
import { FetchHttpClient, PlatformConfigProvider } from "@effect/platform"
import { BunContext, BunRuntime } from "@effect/platform-bun"
import { Config, Effect, Layer } from "effect"

const program = Effect.gen(function*() {
  const model = yield* AiLanguageModel.AiLanguageModel

  const response = yield* model.generateText({ prompt: "Tell me something nice about CityJS London!" })

  yield* Effect.log(response.text)
})

const main = Effect.gen(function*() {
  const plan = yield* AiPlan.make({
    model: OpenAiLanguageModel.model("gpt-4"),
    attempts: 1
  }, {
    model: AnthropicLanguageModel.model("claude-3-7-sonnet-latest"),
    attempts: 1
  }, {
    model: AnthropicLanguageModel.model("claude-3-5-sonnet-latest"),
    attempts: 1
  })

  yield* plan.use(program)
})

const layer = Layer.mergeAll(
  AiModels.layer,
  OpenAiClient.layerConfig({ apiKey: Config.redacted("OPENAI_API_KEY") }),
  AnthropicClient.layerConfig({ apiKey: Config.redacted("ANTHROPIC_API_KEY") })
)
  .pipe(Layer.provide(FetchHttpClient.layer))
  .pipe(Layer.provide(PlatformConfigProvider.layerDotEnv("scratchpad/cityjs-london/.env")))
  .pipe(Layer.provide(BunContext.layer))

BunRuntime.runMain(main.pipe(Effect.provide(layer)))

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Latest commit: 09f6555

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[IMax153]

Closing in favor of #4766