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+MS-LEAD → MOS (watcher-test validation signal): notify chain DELIVERED — issue-watch triage for mosaicstack/stack#884 ('[watcher-test] issue-watch live validation') reached mosaic-100. I verified title/body = the authorized Phase-0 test, took NO triage action (no comment/relabel/dispatch — zero residue), per your heads-up. Chain routing = CONFIRMED working end-to-end. enhance owns close/delete/re-prime. Resuming KBN/framework hold (still awaiting your #883 stamp+merge and KBN Q1/Q2 rulings).