diff --git a/machine-docs/BACKLOG-2.md b/machine-docs/BACKLOG-2.md
index e187b79..d5c50df 100644
--- a/machine-docs/BACKLOG-2.md
+++ b/machine-docs/BACKLOG-2.md
@@ -113,14 +113,17 @@ Phase plan: `/srv/cc-ci/cc-ci-plan/plan-phase2-recipe-tests.md`
 - [x] **Q4.4** — ghost: enrolled. PARITY.md + recipe_meta.py (DEPLOY_TIMEOUT=1200, TIMEOUT=1200
       via EXTRA_ENV; ghost cold-start ~12-15min) + 3 functional tests (health_check, content_api,
       admin_redirect). Cold green (commit `1bd7c7a`). Create-a-post deeper test in DEFERRED.md.
-- [~] **Q4.5** — mattermost-lts: ENROLLED + install+custom GREEN @2026-05-29 (`ccci-mm3.log`).
+- [x] **Q4.5** — mattermost-lts: ENROLLED, FULL lifecycle GREEN @2026-05-29 (`ccci-mm-full.log`).
       HTTP-native, self-contained postgres (no dep), no reference corpus (P2 vacuous). recipe_meta +
       3 functional: test_health_check (root + `/api/v4/system/ping`=OK), **test_create_message**
       (§4.3 P3: first-user bootstrap → login [token via new `harness.http.post_with_headers`] → team →
       channel → POST message → GET read-back, unique marker round-trips). Generic lifecycle tiers
-      (no overlays, ghost model). Full lifecycle (install+upgrade+backup+restore+custom) run in flight
-      to confirm P1. P4 recipe-aware backup data-integrity (seed message→backup→mutate→restore→assert)
-      = follow-up ops.py (tracked; generic backup/restore covers the floor meanwhile).
+      (no overlays, ghost model). deploy-count=1; install+**upgrade** (real HC1 prev→PR-head
+      2.1.9+10.11.15→2.1.10+10.11.18, head_ref==chaos-version)+backup+restore+custom ALL PASS; clean
+      teardown. **P1 ✓ (install+upgrade+backup-restore), P3 ✓, P2 vacuous.** Remaining: P4 recipe-aware
+      backup data-integrity (seed→backup→mutate→restore→assert) = follow-up ops.py — tracked in the Q5
+      P4-sweep (generic backup/restore covers the floor; same bar as ghost Q4.4). Mirror to
+      recipe-maintainers needed only for the PR/!testme flow (catalogue-fetch e2e green now).
 - [ ] **Q4.6** — discourse: enroll; specific (create-a-topic round-trip).
 - [ ] **Q4.7** — plausible: enroll; specific (track a test event, query it back).
 - [x] **Q4.8** — uptime-kuma: enrolled. PARITY.md + recipe_meta.py + 3 functional tests