Tests, UX improvements.

server/api/admin/members/[id]/role.patch.js

@@ -18,18 +18,25 @@ export default defineEventHandler(async (event) => {
     })
   }
 
-  const member = await Member.findByIdAndUpdate(
-    memberId,
-    { role },
-    { new: true }
-  )
-
-  if (!member) {
+  const existing = await Member.findById(memberId)
+  if (!existing) {
     throw createError({
       statusCode: 404,
       statusMessage: 'Member not found.'
     })
   }
 
+  const oldRole = existing.role
+  const member = await Member.findByIdAndUpdate(
+    memberId,
+    { role },
+    { new: true }
+  )
+
+  logActivity(memberId, 'role_changed', {
+    from: oldRole,
+    to: role
+  }, { performedBy: admin._id })
+
   return { success: true, member }
 })