perf: paginate user addresses and optimize ownership queries (#1105)

* perf: paginate user addresses and optimize mail ownership queries

* docs: document user address pagination

* fix: address pagination review feedback

* fix: cover user address pagination flows

* test: fix user mailbox tab selector

* test: stabilize remote address search flow

* test: stabilize user address browser flow

* fix: preserve address pagination compatibility

* refactor: simplify bound address query types

* refactor: reuse list query for bound addresses

* fix: preserve paginated address totals

* fix: preserve bound address helper contracts

* fix: require pagination for user addresses

* refactor: keep shared pagination behavior unchanged

* fix: align pagination docs and tests

* fix: clear stale address selections

* refactor: simplify user address pagination

* refactor: limit user address changes to pagination

* test: select a visible mailbox address

* fix: preserve bound address response fields

CHANGELOG.md

@@ -16,6 +16,8 @@
 
 - fix: |Worker| 地址活跃时间保活增加 1 天写入窗口，用户设置和邮箱访问不再重复更新近期活跃地址，降低 D1 写入量（issue #1103）
 
+- feat: |用户系统| 用户绑定地址列表改用服务端分页，并仅在第一页查询总数；用户邮件列表改用 JOIN、删除改用 `EXISTS` 在数据库侧校验地址归属，避免为大用户加载全部绑定地址（issue #1103）
+
 ### Testing
 
 - fix: |E2E| 新增近期地址活跃时间不会被用户设置接口重复写入的回归测试