diff --git a/docs/plans/2026-07-21-gamewindow-slice-3-live-session.md b/docs/plans/2026-07-21-gamewindow-slice-3-live-session.md
index 96229955..d7dab902 100644
--- a/docs/plans/2026-07-21-gamewindow-slice-3-live-session.md
+++ b/docs/plans/2026-07-21-gamewindow-slice-3-live-session.md
@@ -35,8 +35,13 @@ character-selection UI or redesign the transport.
   retail dialog completion semantics, and actual-owner A → failed drain →
   retry → clean-state coverage. Three-agent review clean. Release: 6,659
   passed / 5 skipped.
-- [ ] D — complete lifecycle controller (in progress).
-- [ ] E — GameWindow cutover.
+- [x] D — complete lifecycle controller (`d9ccf8a6`): sole App ownership
+  of resolve/create/bind/Connect/select/EnterWorld/Tick/stop/reconnect,
+  generation-gated reentrancy, pre-publication command activation,
+  convergent staged teardown, transport-free deterministic session tests,
+  and invalid-endpoint validation before UDP allocation. Three-agent review
+  clean. Release: 6,707 passed / 5 skipped.
+- [ ] E — GameWindow cutover (in progress).
 - [ ] F — final review, connected gate, and documentation closeout.
 
 ## 1. Outcome