fix: 统一对话密码锁键为发送方加对方不含 IP

internal/admin/endpoints_db.go

@@ -370,6 +370,9 @@ func (h *Handler) deleteEndpointBasic(ctx context.Context, id string) (found boo
 		found = n > 0
 		return nil
 	})
+	if err == nil && found {
+		h.locks.ClearAllForEndpoint(id)
+	}
 	return found, err
 }