From a4b4ffcb88222f5d439e6b5c5728429bcff49c2b Mon Sep 17 00:00:00 2001
From: zhi <zhi@dev.hangman-lab.top>
Date: Tue, 17 Mar 2026 09:01:40 +0000
Subject: [PATCH] feat(P3.6): hide Edit Milestone button in
 freeze/undergoing/terminal states, show locked notice

---
 src/pages/MilestoneDetailPage.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/pages/MilestoneDetailPage.tsx b/src/pages/MilestoneDetailPage.tsx
index 4e92c31..96eebea 100644
--- a/src/pages/MilestoneDetailPage.tsx
+++ b/src/pages/MilestoneDetailPage.tsx
@@ -153,7 +153,12 @@ export default function MilestoneDetailPage() {
           {milestone.planned_release_date && <span className="text-dim">Planned Release: {dayjs(milestone.planned_release_date).format('YYYY-MM-DD')}</span>}
           {milestone.started_at && <span className="text-dim">Started: {dayjs(milestone.started_at).format('YYYY-MM-DD HH:mm')}</span>}
         </div>
-        {canEditMilestone && !isTerminal && <button className="btn-transition" style={{ marginTop: 8 }} onClick={() => setShowEditMilestone(true)}>Edit Milestone</button>}
+        {canEditMilestone && msStatus === 'open' && <button className="btn-transition" style={{ marginTop: 8 }} onClick={() => setShowEditMilestone(true)}>Edit Milestone</button>}
+        {canEditMilestone && (msStatus === 'freeze' || msStatus === 'undergoing') && (
+          <span className="text-dim" style={{ marginTop: 8, display: 'inline-block' }}>
+            ⚠ Milestone is {msStatus} — scope fields are locked
+          </span>
+        )}
 
         {/* Milestone status action buttons (P8.2) */}
         {!isTerminal && (