服务器场景：OpenCLI 未装、mcp 服务可达且 mcporter 已接入 → mcp 获胜。

Handle notes nested under 'note_card'.

OpenCLI 完整可用时按序获胜，即使 xhs-cli 也完整可用。

OpenCLI 装了但扩展未连（warn）时，完整可用的 xhs-cli 获胜。

ordered_backends(config) is a reordering (same multiset) of backends.

Config key <channel>_backend promotes the named backend to front.

`opencli doctor` auto-starts the daemon (side effect) — health checks must only ever call `daemon status`.

rdt 非零退出且输出不可解析 → 工具异常（error），不再算 warn。

退出码 127（找到但跑不动）同样按断链处理。

which 命中但 exec 抛 FileNotFoundError（venv 断链）→ error + 重装处方。

which 命中但 exec 抛 FileNotFoundError（venv 断链）→ error + 重装处方。

yt-dlp which 命中但 exec 抛 FileNotFoundError → error + 重装处方。

gh which 命中但 exec 失败 → error + brew 重装处方（gh 不是 pip 包）。

mcporter which 命中但 exec 失败 → error + npm 重装处方。

mcporter which 命中但 exec 失败 → error + npm 重装处方。

ffmpeg which 命中但 exec 失败（pip 假 ffmpeg 断链）→ error + 重装处方。

First call fails (exit 1), second succeeds — retries=1 should return ok.

Handle {"items": [...]} wrapper from search_feeds.

Package resources should expose both default and English skill markdown files.

实测:扩展 service worker 睡眠时 daemon status 报 disconnected, 但任何真实命令会唤醒它——装在磁盘上即视为可用。

渠道单例上一轮的 active_backend 不得泄漏进本轮异常结果(Codex review 发现)。

Tokens containing ", $, `, ; etc. must not break out of the assignment. Prior implementation used `f'AUTH_TOKEN="{auth_token}"'` which an attacke

When both are installed, twitter-cli is used.

warn 候选不得屏蔽排在后面的 ok 候选(Codex review 发现)。

_uninstall_skill should remove skill directories.

watch 与 check-update 同语义:本地领先远端 release 时不提示更新。

YouTube should return ok when Deno is installed (no config needed).

YouTube should warn when only Node.js is installed but no yt-dlp config exists.

Windows guidance should use a PowerShell-style yt-dlp config command.

Create a Config with a temporary directory.