Tests, UX improvements.

server/api/members/update-circle.post.js

@@ -13,12 +13,19 @@ export default defineEventHandler(async (event) => {
       return { success: true, message: 'Already in this circle' }
     }
 
+    const oldCircle = member.circle
+
     await Member.findByIdAndUpdate(
       member._id,
       { $set: { circle: body.circle } },
       { runValidators: false }
     )
 
+    logActivity(member._id, 'circle_changed', {
+      from: oldCircle,
+      to: body.circle
+    })
+
     return {
       success: true,
       message: `Circle updated to ${body.circle}`,