feat: v0.1.1 - poll editing, notifications, fixes

- Poll editing by creator (title, options, deadline)
- Notification panel with app notifications and click-to-navigate
- Poll creation notifies group members
- Invitation rejection notifies inviter
- Fix: notification createRule, timezone, autocancel, nginx, tab timing

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/api/invitations.ts

@@ -111,6 +111,27 @@ export async function respondInvitation(
 
   // 更新邀请状态
   await pb.collection('invitations').update(invitationId, updateData)
+
+  // 通知邀请发起人
+  try {
+    const invitation = await pb.collection('invitations').getOne(invitationId, {
+      expand: 'teamSession',
+      $autoCancel: false,
+    }) as any
+    const { createNotification } = await import('./notifications')
+    await createNotification({
+      user: invitation.from,
+      type: response === 'rejected' ? 'team_invite' : 'team_invite',
+      title: response === 'rejected' ? '邀请被拒绝' : '邀请已接受',
+      content: response === 'rejected'
+        ? (rejectReason || '对方拒绝了组队邀请')
+        : '对方已接受组队邀请',
+      relatedId: invitation.teamSession,
+      relatedType: 'team',
+    })
+  } catch {
+    // 通知失败不影响主流程
+  }
 }
 
 // 订阅邀请变更