{
  "added_at": "2026-10-17",
  "category": "community-case-studies",
  "description_en": "The author reports using Codex and REA analysis to adapt a separate macOS Feishu copy with its own application identity, data directory and single-instance lock. The account describes local signing and separation checks while retaining the original app unchanged.",
  "description_zh": "作者报告借助 Codex 与 REA 分析，修改独立的 macOS 飞书副本，为其设置不同的应用身份、数据目录和单实例锁。文章描述本地签名与隔离检查，并称原应用保持不变。",
  "entry_url": "https://awesomerea.org/resources/feishu-dual-instance-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/feishu-dual-instance-case/",
  "evidence_url": "https://benx.ai/blog/posts/rea-reverse-engineer-feishu-dual-instance/",
  "group": "rea",
  "id": "feishu-dual-instance-case",
  "json_url": "https://awesomerea.org/resources/feishu-dual-instance-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/feishu-dual-instance-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/feishu-dual-instance-case/index.md",
  "name": "Feishu: an author-reported isolated second app instance",
  "name_zh": "飞书：作者报告的隔离第二应用实例",
  "record_type": "resource",
  "relationship": "community-reported-mixed-workflow",
  "requirement_facets": [
    "scope",
    "scope",
    "attribution",
    "limits"
  ],
  "requirements": [
    "The report targets Feishu 8.1.17 with REA 6.5.0 on the author’s Mac; reported elapsed times and isolation results.",
    "The modified copy is locally signed and has automatic updates disabled. The article does not publish a redistributable replacement app or original-source reconstruction.",
    "The author attributes some architecture tracing directly to Codex and cites prior feishu-clone work.",
    "Original hash/signature and process/data separation checks are author-reported."
  ],
  "requirements_zh": [
    "报告目标是作者 Mac 上的飞书 8.1.17 和 REA 6.5.0；报告耗时和隔离结果。",
    "修改副本采用本地签名并禁用自动更新。文章没有发布可再分发的替代应用，也不是原始源码重建。",
    "作者将部分架构追踪明确归于 Codex，并引用既有 feishu-clone 工作。",
    "原文件哈希/签名和进程/数据隔离检查属于作者报告。"
  ],
  "targets": [
    "app"
  ],
  "url": "https://benx.ai/blog/posts/rea-reverse-engineer-feishu-dual-instance/",
  "verification": "source-reviewed",
  "verified_at": "2026-10-17"
}