Why: The user approved the fixed stage 6 amendment for durable domain times and honest legacy gaps.
Evidence: Chat call_6ce04b5a3ca3496487ab2714ed208965 item 0 approves document SHA256 d78849440e6346482fc09925d402790a7ad257ef76c85275610046a845a45f37; original bytes retained.
Impact: Permit isolated implementation and tests after read isolation; real database migration and deployment remain outside this approval.
Refs: TT-D03, TT-A02, TT-A04; stage 6 time-contract amendment r1
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