Made of little things.

// Copy only the public context generated by soyLI to a source-safe location.
// The publisher rejects tracked files under its private .napplet-space directory.
import { readFile, writeFile } from 'node:fs/promises';
const source = new URL('../.napplet-space/soy-backend.json', import.meta.url);
const target = new URL('../src/backend-context.json', import.meta.url);
let generated;
try {
  generated = JSON.parse(await readFile(source, 'utf8'));
} catch (error) {
  if (error.code !== 'ENOENT') throw error;
  // Ordinary source builds retain the generated public reference. soyLI creates
  // a fresh context before invoking build when preparing another creator's remix.
  await readFile(target, 'utf8');
  process.exit(0);
}
const { version, napplet, provider, boards } = generated;
if (
  version !== 1 ||
  typeof napplet !== 'string' ||
  !napplet.startsWith('naddr1')
)
  throw new Error('Run soyli backend init to generate a valid public context.');
const publicContext = {
  version,
  napplet,
  ...(provider
    ? { provider: { pubkey: provider.pubkey, relays: provider.relays } }
    : {}),
  boards: boards ?? [],
};
const content = JSON.stringify(publicContext, null, 2) + '\n';
if ((await readFile(target, 'utf8').catch(() => '')) !== content)
  await writeFile(target, content);