feat(accounts): 账号列表按列排序，默认把还能换套装的排到前面

分页在服务端，点表头按全库排，不能只排当前这一页。

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_account_overview.py

@@ -1792,6 +1792,143 @@ class TestHighValueAccountFilters:
         assert "acc_broken" in names
         assert "acc_both_owned" not in names
 
+    def test_list_sorts_by_suit_availability(self):
+        # 升序：两套都能换 → 只剩一套 → 都换过 → 没查过。同档按 id。
+        names = [it.username for it in self._query(sort="high_value", order="asc")]
+        assert names == [
+            "acc_crown",
+            "acc_broken",
+            "acc_bairimeng_owned",
+            "acc_mengtu_owned",
+            "acc_both_owned",
+            "acc_unqueried",
+        ]
+        names = [it.username for it in self._query(sort="high_value", order="desc")]
+        assert names == [
+            "acc_unqueried",
+            "acc_both_owned",
+            "acc_mengtu_owned",
+            "acc_bairimeng_owned",
+            "acc_broken",
+            "acc_crown",
+        ]
+
+    def test_list_sorts_by_official_exchange_count(self):
+        from web.backend.services.account_events_service import (
+            CATEGORY_BUSINESS,
+            EVENT_EXCHANGE,
+            OFFICIAL_SYNC_SOURCE,
+            emit,
+        )
+
+        now = datetime.now(UTC)
+        emit(
+            self.session,
+            account_id=self.acc_both_owned.id,
+            event_type=EVENT_EXCHANGE,
+            title="兑换 A",
+            category=CATEGORY_BUSINESS,
+            occurred_at=now,
+            source=OFFICIAL_SYNC_SOURCE,
+        )
+        emit(
+            self.session,
+            account_id=self.acc_both_owned.id,
+            event_type=EVENT_EXCHANGE,
+            title="兑换 B",
+            category=CATEGORY_BUSINESS,
+            occurred_at=now,
+            source=OFFICIAL_SYNC_SOURCE,
+        )
+        emit(
+            self.session,
+            account_id=self.acc_crown.id,
+            event_type=EVENT_EXCHANGE,
+            title="兑换 C",
+            category=CATEGORY_BUSINESS,
+            occurred_at=now,
+            source=OFFICIAL_SYNC_SOURCE,
+        )
+        # 当场记的不算进列表「兑换记录」，排序也不能把它算进去
+        emit(
+            self.session,
+            account_id=self.acc_unqueried.id,
+            event_type=EVENT_EXCHANGE,
+            title="兑换 当场",
+            category=CATEGORY_BUSINESS,
+            occurred_at=now,
+            source="manual",
+        )
+        self.session.commit()
+
+        names = [it.username for it in self._query(sort="exchange", order="asc")]
+        assert names == [
+            "acc_bairimeng_owned",
+            "acc_mengtu_owned",
+            "acc_unqueried",
+            "acc_broken",
+            "acc_crown",
+            "acc_both_owned",
+        ]
+        names = [it.username for it in self._query(sort="exchange", order="desc")]
+        assert names == [
+            "acc_both_owned",
+            "acc_crown",
+            "acc_bairimeng_owned",
+            "acc_mengtu_owned",
+            "acc_unqueried",
+            "acc_broken",
+        ]
+
+    def test_list_sorts_points_status_bind_and_tag(self):
+        self.acc_crown.status = "active"
+        self.acc_crown.role_bind_status = "bound"
+        self.acc_crown.tag = "b"
+        self.acc_broken.status = "invalid"
+        self.acc_broken.role_bind_status = "unbound"
+        self.acc_broken.tag = "a"
+        self.acc_unqueried.status = "imported"
+        # 积分相同，鱼翅多的在积分降序里更靠前
+        self.acc_bairimeng_owned.points = 50
+        self.acc_bairimeng_owned.gold_balance = 1
+        self.session.commit()
+
+        assert [it.username for it in self._query(sort="points", order="desc")] == [
+            "acc_broken",
+            "acc_crown",
+            "acc_mengtu_owned",
+            "acc_bairimeng_owned",
+            "acc_both_owned",
+            "acc_unqueried",
+        ]
+        assert [it.username for it in self._query(sort="points", order="asc")] == [
+            "acc_both_owned",
+            "acc_bairimeng_owned",
+            "acc_mengtu_owned",
+            "acc_crown",
+            "acc_broken",
+            "acc_unqueried",
+        ]
+        assert [it.username for it in self._query(sort="status", order="asc")][:3] == [
+            "acc_crown",
+            "acc_broken",
+            "acc_unqueried",
+        ]
+        assert [it.username for it in self._query(sort="bind", order="asc")][:2] == [
+            "acc_crown",
+            "acc_broken",
+        ]
+        assert [it.username for it in self._query(sort="username", order="asc")] == [
+            "acc_bairimeng_owned",
+            "acc_both_owned",
+            "acc_broken",
+            "acc_crown",
+            "acc_mengtu_owned",
+            "acc_unqueried",
+        ]
+        tagged = [it.username for it in self._query(sort="tag", order="asc")]
+        assert tagged[-2:] == ["acc_broken", "acc_crown"]
+
     def test_summary_returns_high_value_breakdown(self):
         from web.backend.routers.accounts import accounts_summary