Claude Code holds an inbound cross-session message unless the sender's
permission-mode class matches the receiver's, and holds any sender that
asserts no class. The herald is a daemon and asserts none, so on a
default-configured seat every cc poke is held at first contact and the
notice goes to whoever is watching the pane rather than to the session.
The seat still reports declared, reachable and healthy throughout — the
same failure shape as the SessionStart hook that was never deployed, where
every check was green and nothing arrived. That is what makes it worth a
surface of its own rather than a footnote.
deploy-althing.sh now reads crossSessionInbound from ~/.claude/settings.json
and reports it on every run and on --check. It deliberately does NOT set it:
that file is the operator's permission configuration, and a deploy script
that edits it is a deploy script granting itself trust.
Also records surface 5 (the per-seat route declare), which had been implicit,
and why no attestation exists for the herald to send instead — CC reads a
sender's live runtime permission mode from the session registry, which a
daemon does not appear in.
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