fix(js): keep test/helpers.js free of src imports

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

js/test/helpers.js

@@ -1,9 +1,6 @@
 import { readFileSync } from 'node:fs'
 import { fileURLToPath } from 'node:url'
 import { dirname, join } from 'node:path'
-import { states, classicActions, render } from '../src/app.js'
-import { map as mapStream } from '../src/stream.js'
-import { map as mapIO, randomSeed } from '../src/io.js'
 
 const here = dirname(fileURLToPath(import.meta.url))
 
@@ -20,6 +17,3 @@ export const freeze = (x, seen = new WeakSet()) => {
   }
   return x
 }
-
-/** The m09 program built from classicActions (ticks every 150 ms). The shipped `main` switches to speedActions in m10. */
-export const classicMain = mapIO(randomSeed, (seed) => mapStream(states(seed, classicActions), render))