Function writeConfigSection

src/core/config.ts:1072–1082

(section: ConfigSection, data: unknown)

/** Validate and write a config section to disk. Returns the validated config. */
export async function writeConfigSection(section: ConfigSection, data: unknown): Promise<unknown> {
  const schema = sectionSchemas[section]
  const validated = schema.parse(data)
  await mkdir(CONFIG_DIR, { recursive: true })
  await writeFile(resolve(CONFIG_DIR, sectionFiles[section]), JSON.stringify(validated, null, 2) + '\n')
  if (section === 'marketData') {
    const keys = (validated as { providerKeys?: Record<string, string | undefined> }).providerKeys
    if (keys) await mirrorProviderKeysToGlobal(keys)
  }
  return validated
}

/** Read web sub-channel definitions from disk. Returns empty array if file missing. */
export async function readWebSubchannels(): Promise<WebChannel[]> {