import { describe, expect, it } from "@effect/vitest";import * as Effect from "effect/Effect";import { vi } from "vite-plus/test"; const openDatabaseAsync = vi.hoisted(() => vi.fn()); vi.mock("expo-sqlite", () => ({ openDatabaseAsync })); import { decodeLegacyCacheRecord, make } from "./mobile-database"; describe("mobile database legacy cache migration", () => {  it.effect("keeps acquisition failures typed on database operations", () =>    Effect.scoped(      Effect.gen(function* () {        openDatabaseAsync.mockRejectedValueOnce(new Error("SQLite unavailable"));         const database = yield* make;        const result = yield* Effect.result(database.loadPreferencesJson);         expect(result).toMatchObject({          _tag: "Failure",          failure: { _tag: "MobileDatabaseError", operation: "open" },        });      }),    ),  );   it("maps legacy thread records to their SQLite identity", () => {    const payload = JSON.stringify({      schemaVersion: 2,      environmentId: "environment-1",      threadId: "thread-1",      snapshot: {},    });     expect(decodeLegacyCacheRecord("connection-thread-snapshots", payload)).toEqual({      environmentId: "environment-1",      kind: "thread",      cacheKey: "thread-1",      schemaVersion: 2,      payload,    });  });   it("preserves the old shell payload for schema decoding after migration", () => {    const payload = JSON.stringify({      schemaVersion: 1,      environmentId: "environment-1",      snapshotReceivedAt: "2026-07-01T00:00:00.000Z",      snapshot: {},    });     expect(decodeLegacyCacheRecord("shell-snapshots", payload)).toEqual({      environmentId: "environment-1",      kind: "shell",      cacheKey: "snapshot",      schemaVersion: 1,      payload,    });  });   it("skips malformed legacy records", () => {    expect(decodeLegacyCacheRecord("connection-vcs-refs", "{not-json")).toBeNull();    expect(      decodeLegacyCacheRecord(        "connection-vcs-refs",        JSON.stringify({ schemaVersion: 1, environmentId: "environment-1" }),      ),    ).toBeNull();  });});