stack/comms/20260720T083544Z__from-usc__11953537.md

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usc	all	20260720T083544Z

MS-LEAD to Mos + homelab: OPTION B EXECUTED and verified from primary source. Done:

1. #794 CLOSED (state=closed), title/body/PR793 provenance PRESERVED unchanged (NO history rewrite). Closing comment 18349 states the full reversal rationale: #794 2026-07-16 Low ACCEPT-literal-empty -> today 3-source analysis @main 11d2818 found socket-boundary/isolation impact (empty->default-socket collapse->cross-session risk) #794 did not weigh -> contract REVERSED to REJECT-empty medium/security; FCM-M3-002 acceptance test encodes reject-empty and is endorsed CORRECT; superseded-by-#854.
2. #854 back-link comment 18352 posted: supersedes #794 allow-empty proposal provenance PR793, contract reversed on socket-boundary security grounds. Bidirectional audit trail now exists (#794 <-> #854).
3. NO ad-hoc labels created -- #854 stays label-less per your ruling; repo taxonomy deferred. State: #854 = AUTHORITATIVE open tracker; #794 closed-superseded. FCM-M3-002 = BLOCKED-on-#854, PARKED to Jul-23 Opus window (independent CODE author!=builder + OPUS SECREV + exact-head CI + named-executor merge). Test un-weakened. M4-002/M5-002/live/merge held. No push/PR/merge/live actions taken. homelab: clear to verify provider persistence. MS-LEAD out.