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

tests/test_account_failure_and_export.py

@@ -61,6 +61,12 @@ class TestAccountFailureClassificationAndExport:
             classify_failure("跳过手机号绑定失败: 必须绑定手机号") == "must_bind_mobile"
         )
         assert classify_failure("登录失败: 必须绑定手机号") == "must_bind_mobile"
+        assert (
+            classify_failure(
+                "重新登录失败: 跳过手机号绑定失败: 必须绑定手机号（旧 Cookie 已保留）"
+            )
+            == "must_bind_mobile"
+        )
         assert failure_kind_label("must_bind_mobile") == "必须绑定手机号"
 
         # 验证 must_bind_mobile 在 CK 失效时被 derive_status 推导为 manual 待人工
@@ -76,6 +82,18 @@ class TestAccountFailureClassificationAndExport:
         )
         assert derive_status(acc) == STATUS_MANUAL
 
+    def test_classify_account_canceled_or_banned(self):
+        """测试账号已注销/封禁/冻结归入凭证/账号异常问题。"""
+        assert (
+            classify_failure(
+                "重新登录失败: 第二次登录失败: 账号已注销（旧 Cookie 已保留）"
+            )
+            == "credential"
+        )
+        assert classify_failure("第二次登录失败: 账号已注销") == "credential"
+        assert classify_failure("登录失败: 该账号已被封禁") == "credential"
+        assert classify_failure("账号已冻结，请联系客服") == "credential"
+
     def test_list_accounts_filter_by_failure_kind_and_serialization(self):
         """测试按 failure_kind 筛选与 AccountOut 序列化包含失败字段。"""
         self._create_account(

tests/test_migrations.py

@@ -26,7 +26,7 @@ TESTS_DIR = Path(__file__).resolve().parent
 PROJECT_ROOT = TESTS_DIR.parent
 VERSIONS_DIR = PROJECT_ROOT / "web" / "backend" / "migrations" / "versions"
 
-HEAD_REVISION = "20261004_0051"
+HEAD_REVISION = "20261008_0052"
 
 # 迁移新增、但不声明在模型里的复合查询索引。
 EXTRA_INDEXES = (

web/backend/migrations/versions/20261008_0052_relogin_failure_kind_sync.py

@@ -0,0 +1,72 @@
+"""同步历史重登失败分型：根据最新 classify_failure 规则刷正 accounts 和 login_tasks
+
+## 背景
+
+新增了「必须绑定手机号」与「账号注销/封禁」分型，历史已存在报错文案的账号需要回写正确的 failure_kind，
+使「登录异常一键筛选」与列表角标统计准确。
+"""
+
+from __future__ import annotations
+
+import sqlalchemy as sa
+from alembic import op
+from web.backend.services.login_failure import classify_failure
+
+revision: str = "20261008_0052"
+down_revision: str | None = "20261004_0051"
+branch_labels: str | None = None
+depends_on: str | None = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+
+    # 1. 查询 accounts 中有 relogin_last_error 的记录
+    rows = conn.execute(
+        sa.text(
+            "SELECT id, relogin_last_error, relogin_failure_kind "
+            "FROM accounts "
+            "WHERE relogin_last_error IS NOT NULL AND relogin_last_error != ''"
+        )
+    ).fetchall()
+
+    for row in rows:
+        acc_id, err_text, current_kind = row[0], row[1], row[2]
+        new_kind = classify_failure(err_text)
+        if new_kind and new_kind != current_kind:
+            conn.execute(
+                sa.text("UPDATE accounts SET relogin_failure_kind = :k WHERE id = :id"),
+                {"k": new_kind, "id": acc_id},
+            )
+
+    # 2. 查询 login_tasks 中有 message 的记录
+    # 检查 login_tasks 是否有 relogin_failure_kind 列
+    col_exists = conn.execute(
+        sa.text(
+            "SELECT COUNT(*) FROM information_schema.columns "
+            "WHERE table_schema = DATABASE() "
+            "AND table_name = 'login_tasks' AND column_name = 'relogin_failure_kind'"
+        )
+    ).scalar()
+    if col_exists:
+        task_rows = conn.execute(
+            sa.text(
+                "SELECT id, message, relogin_failure_kind "
+                "FROM login_tasks "
+                "WHERE message IS NOT NULL AND message != ''"
+            )
+        ).fetchall()
+        for row in task_rows:
+            task_id, msg, current_kind = row[0], row[1], row[2]
+            new_kind = classify_failure(msg)
+            if new_kind and new_kind != current_kind:
+                conn.execute(
+                    sa.text(
+                        "UPDATE login_tasks SET relogin_failure_kind = :k WHERE id = :id"
+                    ),
+                    {"k": new_kind, "id": task_id},
+                )
+
+
+def downgrade() -> None:
+    pass

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_kind=eff_kind,
-            relogin_failure_label=failure_kind_label(acc.relogin_failure_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)
+                failure_kind_label(eff_kind) if eff_kind else "",
-                if acc.relogin_failure_kind
-                else "",
                 acc.relogin_last_error or "",
                 acc.tag or "",
                 acc.assigned_user.username if acc.assigned_user else "未分配",

web/backend/services/login_failure.py

@@ -50,13 +50,26 @@ def classify_failure(message: str | None) -> str:
         return "must_bind_mobile"
     if "上限" in text or "配额" in text:
         return "email_quota"
-    if "极验" in text or "验证" in text and "滑块" in text:
+    if "极验" in text or ("验证" in text and "滑块" in text):
         return "captcha"
-    if "验证码" in text:
+    if "验证码" in text or "取码" in text:
         return "email_code"
     if "中断" in text or "已停止" in text or "任务已停止" in text:
         return "interrupted"
-    if "密码" in text or "账号不存在" in text or "缺少密码或邮箱" in text:
+    if any(
+        k in text
+        for k in (
+            "密码",
+            "账号不存在",
+            "缺少密码或邮箱",
+            "注销",
+            "已注销",
+            "封禁",
+            "冻结",
+            "限制登录",
+            "禁止登录",
+        )
+    ):
         return "credential"
     # 请求失败/超时/连接异常，以及未知文案：都按可重试处理。
     # 宁可多给一次机会（有每日上限兜底），也不要把可能只是抖动的账号推给人工。