import { type GrokSettings, ProviderDriverKind } from "@t3tools/contracts";import * as Effect from "effect/Effect";import * as Layer from "effect/Layer";import * as Scope from "effect/Scope";import { ChildProcessSpawner } from "effect/unstable/process";import * as EffectAcpErrors from "effect-acp/errors";import type * as EffectAcpSchema from "effect-acp/schema";import { normalizeModelSlug } from "@t3tools/shared/model"; import {  AcpSessionRuntime,  type AcpSessionRuntimeOptions,  type AcpSessionRuntimeShape,  type AcpSpawnInput,} from "./AcpSessionRuntime.ts"; const GROK_API_KEY_ENV = "XAI_API_KEY";const GROK_OAUTH2_REFERRER_ENV = "GROK_OAUTH2_REFERRER";const T3_CODE_OAUTH_REFERRER = "t3code";const GROK_AUTH_METHOD_API_KEY = "xai.api_key";const GROK_AUTH_METHOD_CACHED_TOKEN = "cached_token";const GROK_DRIVER_KIND = ProviderDriverKind.make("grok"); type GrokAcpRuntimeGrokSettings = Pick<GrokSettings, "binaryPath">; interface GrokAcpRuntimeInput extends Omit<  AcpSessionRuntimeOptions,  "authMethodId" | "clientCapabilities" | "spawn"> {  readonly childProcessSpawner: ChildProcessSpawner.ChildProcessSpawner["Service"];  readonly grokSettings: GrokAcpRuntimeGrokSettings | null | undefined;  readonly environment?: NodeJS.ProcessEnv;} export function buildGrokAcpSpawnInput(  grokSettings: GrokAcpRuntimeGrokSettings | null | undefined,  cwd: string,  environment?: NodeJS.ProcessEnv,): AcpSpawnInput {  return {    command: grokSettings?.binaryPath || "grok",    args: ["agent", "stdio"],    cwd,    env: {      ...environment,      [GROK_OAUTH2_REFERRER_ENV]: T3_CODE_OAUTH_REFERRER,    },  };} function resolveGrokAuthMethodId(environment: NodeJS.ProcessEnv | undefined): string {  return environment?.[GROK_API_KEY_ENV]?.trim()    ? GROK_AUTH_METHOD_API_KEY    : GROK_AUTH_METHOD_CACHED_TOKEN;} export const makeGrokAcpRuntime = (  input: GrokAcpRuntimeInput,): Effect.Effect<AcpSessionRuntimeShape, EffectAcpErrors.AcpError, Scope.Scope> =>  Effect.gen(function* () {    const acpContext = yield* Layer.build(      AcpSessionRuntime.layer({        ...input,        spawn: buildGrokAcpSpawnInput(input.grokSettings, input.cwd, input.environment),        authMethodId: resolveGrokAuthMethodId(input.environment),      }).pipe(        Layer.provide(          Layer.succeed(ChildProcessSpawner.ChildProcessSpawner, input.childProcessSpawner),        ),      ),    );    return yield* Effect.service(AcpSessionRuntime).pipe(Effect.provide(acpContext));  }); export function resolveGrokAcpBaseModelId(model: string | null | undefined): string {  const trimmed = model?.trim();  const base = trimmed && trimmed.length > 0 ? trimmed : "grok-build";  return normalizeModelSlug(base, GROK_DRIVER_KIND) ?? "grok-build";} export function currentGrokModelIdFromSessionSetup(  sessionSetupResult:    | EffectAcpSchema.LoadSessionResponse    | EffectAcpSchema.NewSessionResponse    | EffectAcpSchema.ResumeSessionResponse,): string | undefined {  return sessionSetupResult.models?.currentModelId?.trim() || undefined;} export function applyGrokAcpModelSelection<E>(input: {  readonly runtime: Pick<AcpSessionRuntimeShape, "setSessionModel">;  readonly currentModelId: string | undefined;  readonly requestedModelId: string | undefined;  readonly mapError: (cause: EffectAcpErrors.AcpError) => E;}): Effect.Effect<string | undefined, E> {  const shouldSwitchModel =    input.requestedModelId !== undefined && input.requestedModelId !== input.currentModelId;  if (!shouldSwitchModel) {    return Effect.succeed(input.currentModelId);  }  return input.runtime    .setSessionModel(input.requestedModelId)    .pipe(Effect.mapError(input.mapError), Effect.as(input.requestedModelId));}