diff --git a/.pql/changelog/ticket_history/2026-06.sql b/.pql/changelog/ticket_history/2026-06.sql
index 97c8ad3e..2e9b2cf1 100644
--- a/.pql/changelog/ticket_history/2026-06.sql
+++ b/.pql/changelog/ticket_history/2026-06.sql
@@ -3193,3 +3193,8 @@ INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, chang
 
 Obsolete: superseded by D-77/D-78. The Claude pane no longer requires tmux — it is driven over the stream-json stdio control protocol and persists via --resume (transcript files), not tmux. D-77 explicitly amends D-41 (tmux-for-persistence → --resume; tmux retained only for the general terminal). The ''primary session cannot persist without tmux'' premise is gone, so a first-launch tmux detect/install gate is unwarranted. Cancelling.', NULL, '2026-06-10 14:41:37', '2026-06-10 14:41:37', '2026-06-10 14:41:37', NULL, '020a1027abc50a0ab63ac839380dc767', 2) ON CONFLICT(hash) DO NOTHING;
 INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FB0TNQM4QKBQY7FPCNX6N28R', 'status', 'backlog', 'cancelled', NULL, '2026-06-10 14:41:47', '2026-06-10 14:41:47', '2026-06-10 14:41:47', NULL, 'c1323729d101d47e5ea20df81e40735a', 2) ON CONFLICT(hash) DO NOTHING;
+INSERT INTO ticket_history (ticket_record_id, field, old_value, new_value, changed_by, changed_at, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FB0TNQM4TQEYESK545T8F164', 'description', 'Reorder tabs in the sidebar and context panel icon rails by dragging. Persist order to project settings.', 'Reorder tabs in the sidebar and context panel icon rails by dragging. Persist order to project settings.
+
+Notes (2026-06-10):
+1. Applies to BOTH rails — the left sidebar icon rail and the right context-bar icon rail. Reordering + persistence must work the same on each.
+2. After ordering, the left-most (first) item in the rail is the one that opens by default.', NULL, '2026-06-10 14:45:17', '2026-06-10 14:45:17', '2026-06-10 14:45:17', NULL, '86f1c477f9408ce87b624799a73b82c0', 2) ON CONFLICT(hash) DO NOTHING;
diff --git a/.pql/changelog/tickets/2026-06.sql b/.pql/changelog/tickets/2026-06.sql
index 88998fa5..8d2098ea 100644
--- a/.pql/changelog/tickets/2026-06.sql
+++ b/.pql/changelog/tickets/2026-06.sql
@@ -2628,3 +2628,8 @@ Obsolete: superseded by D-77/D-78. The Claude pane no longer requires tmux — i
 INSERT INTO tickets (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FB0TNQM4QKBQY7FPCNX6N28R', 'task', '06FB0TNQM6M1VZ8Z2SZ94F0EQR', 'detect and install tmux on first launch', 'On first launch, check if tmux is on PATH. If missing, prompt the user with platform-appropriate install instructions (apt, dnf, brew) or offer to install automatically. Claude pane requires tmux per D-41; without it the primary session cannot persist.
 
 Obsolete: superseded by D-77/D-78. The Claude pane no longer requires tmux — it is driven over the stream-json stdio control protocol and persists via --resume (transcript files), not tmux. D-77 explicitly amends D-41 (tmux-for-persistence → --resume; tmux retained only for the general terminal). The ''primary session cannot persist without tmux'' premise is gone, so a first-launch tmux detect/install gate is unwarranted. Cancelling.', 'cancelled', 'medium', NULL, NULL, NULL, '2026-04-23 20:27:28', '2026-06-10 14:41:47', NULL, 'ff8be5b975f32e6f7eb64be712a1da0d', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);
+INSERT INTO tickets (record_id, type, parent_record_id, title, description, status, priority, assigned_to, team, decision_ref, created_at, updated_at, deleted_at, hash, canonical_version) VALUES ('06FB0TNQM4TQEYESK545T8F164', 'task', NULL, 'drag tab reordering in sidebar and context panel', 'Reorder tabs in the sidebar and context panel icon rails by dragging. Persist order to project settings.
+
+Notes (2026-06-10):
+1. Applies to BOTH rails — the left sidebar icon rail and the right context-bar icon rail. Reordering + persistence must work the same on each.
+2. After ordering, the left-most (first) item in the rail is the one that opens by default.', 'backlog', 'medium', NULL, NULL, NULL, '2026-04-23 20:32:06', '2026-06-10 14:45:17', NULL, '0a4deb6d577554435b76af528b170224', 2) ON CONFLICT(record_id) DO UPDATE SET type=excluded.type, parent_record_id=excluded.parent_record_id, title=excluded.title, description=excluded.description, status=excluded.status, priority=excluded.priority, assigned_to=excluded.assigned_to, team=excluded.team, decision_ref=excluded.decision_ref, updated_at=excluded.updated_at, deleted_at=excluded.deleted_at, hash=excluded.hash, canonical_version=excluded.canonical_version WHERE excluded.updated_at > tickets.updated_at OR (excluded.updated_at = tickets.updated_at AND excluded.hash > tickets.hash);