File subquery-caching.test.ts

packages/db/tests/query/compiler/subquery-caching.test.ts:None–None

import { describe, expect, it } from 'vitest'
import { D2 } from '@tanstack/db-ivm'
import { compileQuery } from '../../../src/query/compiler/index.js'
import { CollectionRef, PropRef, QueryRef } from '../../../src/query/ir.js'