Why: The proposal main record must reflect that trusted human confirmation lacks a public Backend proof and remains blocked pending review.
Evidence: Candidate design bbcff18 and exact file SHA256 are linked; W3 RED and Backend source gap remain separate from phase acceptance.
Impact: Updates status only, preserving the previously approved stage-four and stage-five objects.
Refs: Stage6 W4b design adjustment candidate r1; TT-D02/D03
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