The knock push rules MSC has been published as MSC4506: rename the
experimental flag to msc4506_enabled, the rule id to
.org.matrix.msc4506.rule.knock and the condition kind to
org.matrix.msc4506.recipient_permission per its unstable prefix section.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Uk8aPxHn3BHCe52L226jdG