diff --git a/.planning/ROADMAP.md b/.planning/ROADMAP.md
index 0abca3a..c98140f 100644
--- a/.planning/ROADMAP.md
+++ b/.planning/ROADMAP.md
@@ -216,7 +216,7 @@ per 2026-05-20 re-phasing.
 - [x] 03-01-PLAN.md — rrweb DOM verification harness extension (A29; SPEC §10 #4; REQ-rrweb-dom-buffer)
 - [x] 03-02-PLAN.md — event-log verification harness extension (A30; SPEC §10 #5; REQ-user-event-log)
 - [x] 03-03-PLAN.md — §10 #8 password-filter PARTIAL verification (A31; D-P3-02 charter)
-- [ ] 03-04-PLAN.md — §10 #9 RAM ceiling best-effort + Page.metrics scaffolding (A32; D-P3-04 charter)
+- [x] 03-04-PLAN.md — §10 #9 RAM ceiling best-effort + Page.metrics scaffolding (A32; D-P3-04 charter)
 - [ ] 03-05-PLAN.md — §10 sweep VERIFICATION.md aggregator + REQUIREMENTS/ROADMAP/STATE marker flips
 
 ### Phase 4: Harden + clean up _(optional)_