secret_shaped_content_never_reaches_the_stub was RED because its fixture was
the first twelve wordlist entries — not a parseable mnemonic. The 2026-08-06
precision rewrite of screen_outbound moved from a word-run shape rule to BIP-39
checksum validation (the shape rule had blocked legitimate turns on a live node
twice); egress.rs's own test was updated to a checksum-valid fixture and this
copy was not, so it asserted behaviour that had been deliberately retired.
The named behaviour was intact throughout: screen_outbound runs on the Routstr
paid leg before any body is sent, a real mnemonic is blocked, and
checksum-invalid runs of 20+ wordlist members are still caught by
IMPLAUSIBLE_MEMBER_RUN. Fixture is now a checksum-valid mnemonic, asserted as
parseable so it cannot silently rot the same way again.
Also records the operator's rendering contract in the surfaces todo: chat gets
the mini version, the content/context surfaces expand it, nothing rich may
overflow the bubble at mobile width.
archipelago
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