import * as NodeOS from "node:os"; import * as NodeServices from "@effect/platform-node/NodeServices";import { describe, expect, it } from "@effect/vitest";import * as Effect from "effect/Effect";import * as Path from "effect/Path"; import { mergeProviderInstanceEnvironment } from "./ProviderInstanceEnvironment.ts"; describe("mergeProviderInstanceEnvironment", () => {  it.effect.each([    { value: "~/.account", tail: ".account" },    { value: "~\\.account\\work", tail: ".account\\work" },  ])("expands configured provider homes set to $value", ({ value, tail }) =>    Effect.gen(function* () {      const path = yield* Path.Path;      const baseEnv = {        CODEX_HOME: "~/.inherited-codex",        CLAUDE_CONFIG_DIR: "~/.inherited-claude",      };      const environment = mergeProviderInstanceEnvironment(        [          { name: "CODEX_HOME", value, sensitive: false },          { name: "CLAUDE_CONFIG_DIR", value, sensitive: false },          { name: "CUSTOM_VALUE", value, sensitive: false },        ],        baseEnv,      );       expect(environment).toEqual({        CODEX_HOME: path.join(NodeOS.homedir(), tail),        CLAUDE_CONFIG_DIR: path.join(NodeOS.homedir(), tail),        CUSTOM_VALUE: value,      });      expect(baseEnv).toEqual({        CODEX_HOME: "~/.inherited-codex",        CLAUDE_CONFIG_DIR: "~/.inherited-claude",      });    }).pipe(Effect.provide(NodeServices.layer)),  );   it("leaves inherited provider homes unchanged", () => {    const baseEnv = { CODEX_HOME: "~/.codex", CLAUDE_CONFIG_DIR: "~\\.claude" };     expect(      mergeProviderInstanceEnvironment(        [{ name: "CUSTOM_VALUE", value: "~/.custom", sensitive: false }],        baseEnv,      ),    ).toEqual({ ...baseEnv, CUSTOM_VALUE: "~/.custom" });  });   it("overrides inherited environment values and preserves empty strings", () => {    expect(      mergeProviderInstanceEnvironment(        [          { name: "OPENROUTER_API_KEY", value: "sk-or-test", sensitive: true },          { name: "ANTHROPIC_API_KEY", value: "", sensitive: false },        ],        { ANTHROPIC_API_KEY: "inherited", PATH: "/bin" },      ),    ).toMatchObject({      OPENROUTER_API_KEY: "sk-or-test",      ANTHROPIC_API_KEY: "",      PATH: "/bin",    });  });});