The channel CLIs (claude/codebuddy/qodercli/...) may be missing on the
user's machine. Runtime already preflights at connect (auto-installing
package-manager CLIs, erroring with a hint otherwise), but agents had no
machine-readable way to check BEFORE starting the connector. dry-run now
reports a cli block ({required, installed, path, autoInstall, installHint})
per channel — desktop-app channels and openclaw/hermes report their
onboarding hint. Skill docs gain the agent preflight workflow: check
dry-run first; npm channels may auto-install; desktop-app channels must
have the app installed by the user before connecting.
修雨
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