docs: document suspended membership reinstatement paths

gatehouse_app/services/network_access_service.py

@@ -181,6 +181,7 @@ def assign_access(
                     first_returned = existing
                 continue
             existing.status = ApprovalState.APPROVED
+            existing.join_seen = True
             existing.grant_type = ApprovalGrantType.ASSIGNED
             existing.granted_by_user_id = granted_by_user_id
             existing.justification = justification
@@ -198,6 +199,7 @@ def assign_access(
                 grant_type=ApprovalGrantType.ASSIGNED,
                 status=ApprovalState.APPROVED,
                 active=False,
+                join_seen=True,
                 justification=justification,
             )
             req.save()
@@ -811,6 +813,7 @@ def join_network_for_device(
         # Re-open
         existing.status = ApprovalState.APPROVED
         existing.active = False
+        existing.join_seen = True
         if admin_override:
             existing.grant_type = ApprovalGrantType.ASSIGNED
             existing.granted_by_user_id = granted_by_user_id
@@ -826,6 +829,7 @@ def join_network_for_device(
         grant_type=ApprovalGrantType.ASSIGNED if admin_override else ApprovalGrantType.REQUESTED,
         status=ApprovalState.APPROVED,
         active=False,
+        join_seen=True,
         granted_by_user_id=granted_by_user_id if admin_override else None,
     )
     request.save()