diff --git a/docs/security-track-plan.md b/docs/security-track-plan.md
index ef5555a..16ef192 100644
--- a/docs/security-track-plan.md
+++ b/docs/security-track-plan.md
@@ -31,7 +31,7 @@ the logging/USB-lifecycle track).
 
 ## Status
 
-- [ ] **Phase 0** — baseline: suite green on `main` (expect 106/106), plan committed
+- [x] **Phase 0** — baseline: suite green on `main` (106/106, 2026-07-31; `zig build` + `zig build test` clean at 9a32380), plan committed
 - [ ] **PM** — path-migration flag-day (`/etc`→`/system/configuration`, `/var/log`→`/system/logs`, `/mnt/usb`→`/volumes/usb`)
 - [ ] **H1** — the `user-memory` module; nine stragglers converted; leaf U/S+W checks
 - [ ] **merge** group 1 → main, push