docs: 193b2 brief, the live --migrate window needs Mos's go under Q173, not Jason (mos-1310 item 4)

docs/plans/2026-10-20_human-users-build.md

@@ -67,7 +67,8 @@ section 5.5 share filters. Schema 3k to 3l (Sage, 2026-10-20: machine grant row
 the #436b build owns 3j to 3k, so this row builds on #436b's landing). The table is append-only, and row 181's restore guard and
 `COUNTED` include it. Bus tests for shares and the migration, and mutants 2, 4, 7, 8 and 9 from section 8,
 plus mutant 3 (rule 3 dropped), moved here from 193b1 because only shares can kill it (sage-2288).
-Going live needs a `--migrate` window with Jason. Sage takes it to Mos when this row is near.
+Going live needs a `--migrate` window on Mos's go under Q173 (mos-1310), with a backup first and a STATE report after.
+It no longer waits for Jason. Sage takes it to Mos when this row lands.
 
 Gate: Duckworth approves the manifest. The bus suite, the cli suite and every `scripts/test-*.sh` are green on
 Sage's gate, and the mutants are killed.