Function writeCacheBreakDiff

src/services/api/promptCacheBreakDetection.ts:708–727

(
  prevContent: string,
  newContent: string,
)

}

async function writeCacheBreakDiff(
  prevContent: string,
  newContent: string,
): Promise<string | undefined> {
  try {
    const diffPath = getCacheBreakDiffPath()
    await mkdir(getClaudeTempDir(), { recursive: true })
    const patch = createPatch(
      'prompt-state',
      prevContent,
      newContent,
      'before',
      'after',
    )
    await writeFile(diffPath, patch)
    return diffPath
  } catch {
    return undefined
  }
}