Apollo introduction requires explicit author consent. No reply was received, so consent cannot be obtained.
Not applicable at this time. The Apollo introduction (item 3) is gated on author consent, which requires a reply first. If a reply is received in the 7-12 day window, the introduction can be revisited.
STEP paper link: available
Hosted use case discussion: pending author interest
Checkpoint availability: unknown (no reply)
Reuse rights: unknown (no reply)
Apollo intro: blocked, no reply = no consent possible.