fix: reset editor state on section change to ensure proper template editing

src/app/admin/contract-management/page.tsx

@@ -21,6 +21,7 @@ export default function ContractManagementPage() {
   const router = useRouter();
   const [section, setSection] = useState('templates');
   const [editingTemplateId, setEditingTemplateId] = useState<string | null>(null);
+  const [editorKey, setEditorKey] = useState(0);
 
   useEffect(() => { setMounted(true); }, []);
 
@@ -56,7 +57,17 @@ export default function ContractManagementPage() {
               {NAV.map((item) => (
                 <button
                   key={item.key}
-                  onClick={() => setSection(item.key)}
+                  onClick={() => {
+                    if (section === 'editor' && item.key !== 'editor') {
+                      setEditingTemplateId(null);
+                      setEditorKey((k) => k + 1);
+                    }
+                    if (item.key === 'editor') {
+                      setEditingTemplateId(null);
+                      setEditorKey((k) => k + 1);
+                    }
+                    setSection(item.key);
+                  }}
                   className={`flex flex-shrink-0 items-center gap-2 px-4 py-2 rounded-lg font-medium transition whitespace-nowrap text-sm md:text-base
                     ${section === item.key
                       ? 'bg-blue-900 text-blue-50 shadow'
@@ -99,6 +110,7 @@ export default function ContractManagementPage() {
                   refreshKey={refreshKey}
                   onEdit={(id) => {
                     setEditingTemplateId(id);
+                    setEditorKey((k) => k + 1);
                     setSection('editor');
                   }}
                 />
@@ -111,15 +123,18 @@ export default function ContractManagementPage() {
                   Create Template
                 </h2>
                 <ContractEditor
+                  key={`${editorKey}-${editingTemplateId ?? 'new'}`}
                   editingTemplateId={editingTemplateId}
                   onCancelEdit={() => {
                     setEditingTemplateId(null);
+                    setEditorKey((k) => k + 1);
                     setSection('templates');
                   }}
                   onSaved={(info) => {
                     bumpRefresh();
                     if (info?.action === 'revised') {
                       setEditingTemplateId(null);
+                      setEditorKey((k) => k + 1);
                       setSection('templates');
                     }
                   }}