diff --git a/HarborForge.Backend b/HarborForge.Backend
index 96cbe10..8691128 160000
--- a/HarborForge.Backend
+++ b/HarborForge.Backend
@@ -1 +1 @@
-Subproject commit 96cbe109ece349a275bde12612c293fcfac8969e
+Subproject commit 86911286c08cc053ee5e52fa5520f16cf7fac481
diff --git a/plans/hf-cross-project-todo.md b/plans/hf-cross-project-todo.md
index 5cf5302..1bd8e6d 100644
--- a/plans/hf-cross-project-todo.md
+++ b/plans/hf-cross-project-todo.md
@@ -204,7 +204,7 @@
 - [x] Ensure `project-code` is accepted in get/update/delete/member APIs
 - [x] Ensure `milestone-code` is accepted in get/update/delete/progress APIs
 - [x] Ensure `task-code` is accepted in get/update/delete/transition APIs
-- [ ] Ensure `meeting-code` is accepted in get/update/delete/attend APIs
+- [x] Ensure `meeting-code` is accepted in get/update/delete/attend APIs
 - [x] Ensure `support-code` is accepted in get/update/delete/take/transition APIs
 - [x] Ensure `propose-code` is accepted in get/update/delete/accept/reject/reopen APIs
 - [x] Add code-based list filters where missing
@@ -226,8 +226,8 @@
 ### 2.4 Task / meeting / support actions
 - [x] Add/confirm backend route for task self-assignment (`task take`)
 - [x] Add/confirm conflict behavior when task already has a different assignee
-- [ ] Add/confirm backend route for meeting attendance (`meeting attend`)
-- [ ] Ensure meeting attendance updates participant list
+- [x] Add/confirm backend route for meeting attendance (`meeting attend`)
+- [x] Ensure meeting attendance updates participant list
 - [x] Add/confirm backend route for support self-assignment (`support take`)
 
 ### 2.5 Frontend-facing code migration support