Function tryReadFileForSync

src/services/settingsSync/index.ts:398–416

* Try to read a file for sync, with size limit and error handling. * Returns null if file doesn't exist, is empty, or exceeds size limit.

(filePath: string)

 * Returns null if file doesn't exist, is empty, or exceeds size limit.
 */
async function tryReadFileForSync(filePath: string): Promise<string | null> {
  try {
    const stats = await stat(filePath)
    if (stats.size > MAX_FILE_SIZE_BYTES) {
      logForDiagnosticsNoPII('info', 'settings_sync_file_too_large')
      return null
    }

    const content = await readFile(filePath, 'utf8')
    // Check for empty/whitespace-only without allocating a trimmed copy
    if (!content || /^\s*$/.test(content)) {
      return null
    }

    return content
  } catch {
    return null
  }
}

async function buildEntriesFromLocalFiles(
  projectId: string | null,