fix(accounts): 完善手机号必绑与账号注销等登录异常分型识别

- 补充必须绑定手机号与账号注销/封禁/冻结等错误文案的识别规则
- 增加数据修正迁移 20261008_0052，回写历史账号和登录任务的失败分型
- 增加列表查询与导出时根据错误文案自动兜底细化 failure_kind 的逻辑
- 增加并完善相关分型单元测试

web/backend/routers/accounts.py

@@ -69,7 +69,7 @@ from ..services.account_value import (
 )
 from ..services.audit_service import record_account_action, record_audit
 from ..services.douyu_service import cookie_holding_filter
-from ..services.login_failure import failure_kind_label
+from ..services.login_failure import classify_failure, failure_kind_label
 
 router = APIRouter(prefix="/api/accounts", tags=["账号管理"])
 
@@ -569,6 +569,12 @@ def list_accounts(
 
     result = []
     for acc in accounts:
+        eff_kind = acc.relogin_failure_kind or ""
+        if acc.relogin_last_error:
+            refined = classify_failure(acc.relogin_last_error)
+            if not eff_kind or (eff_kind == "network" and refined != "network"):
+                eff_kind = refined
+
         item = AccountOut(
             id=acc.id,
             username=acc.username,
@@ -581,8 +587,8 @@ def list_accounts(
             status_label=STATUS_LABELS.get(acc.status or "", acc.status or ""),
             status_reason=acc.status_reason or "",
             auto_managed=bool(acc.auto_managed),
-            relogin_failure_kind=acc.relogin_failure_kind or "",
-            relogin_failure_label=failure_kind_label(acc.relogin_failure_kind),
+            relogin_failure_kind=eff_kind,
+            relogin_failure_label=failure_kind_label(eff_kind),
             relogin_last_error=acc.relogin_last_error or "",
             # 关键列：全部是 accounts 行上的字段，无 JOIN / 无聚合
             has_cookie=bool(acc.cookie),
@@ -784,13 +790,16 @@ def export_accounts(
         ]
     )
     for acc in accounts:
+        eff_kind = acc.relogin_failure_kind or ""
+        if acc.relogin_last_error:
+            refined = classify_failure(acc.relogin_last_error)
+            if not eff_kind or (eff_kind == "network" and refined != "network"):
+                eff_kind = refined
         writer.writerow(
             [
                 acc.username or "",
                 STATUS_LABELS.get(acc.status or "", acc.status or ""),
-                failure_kind_label(acc.relogin_failure_kind)
-                if acc.relogin_failure_kind
-                else "",
+                failure_kind_label(eff_kind) if eff_kind else "",
                 acc.relogin_last_error or "",
                 acc.tag or "",
                 acc.assigned_user.username if acc.assigned_user else "未分配",