digital-avatar-app/backend/routers/authorizations.py

@@ -2,7 +2,7 @@ from fastapi import APIRouter, Body, Depends, Header, HTTPException
 from sqlalchemy.orm import Session
 
 from database import get_db
-from models import Authorization
+from models import Authorization, TakeoverCursor, TakeoverReplyTask
 from responses import fail, ok
 from routers.avatars import _require_owned_avatar
 
@@ -151,10 +151,32 @@ def update_permission_settings(
     except ValueError as exc:
         return fail(str(exc), 400)
 
+    previous_permissions = _stored_avatar_permissions(avatar)
     avatar.config = {
         **(avatar.config or {}),
         AVATAR_PERMISSION_KEY: permissions,
     }
+    cursor = db.query(TakeoverCursor).filter(TakeoverCursor.avatar_id == avatar.id).first()
+    if cursor and "takeover" in permissions and "takeover" not in previous_permissions:
+        cursor.initialized = False
+        cursor.last_message_id = "0"
+        cursor.last_error = ""
+    elif cursor and "takeover" not in permissions:
+        cursor.last_error = ""
+
+    if "takeover" not in permissions:
+        tasks = (
+            db.query(TakeoverReplyTask)
+            .filter(
+                TakeoverReplyTask.avatar_id == avatar.id,
+                TakeoverReplyTask.status.in_(("pending", "generating", "ready", "sending")),
+            )
+            .all()
+        )
+        for task in tasks:
+            task.status = "cancelled"
+            task.cancel_reason = "takeover_disabled"
+            task.locked_at = None
     db.commit()
     db.refresh(avatar)
     return ok(_permission_settings_payload(avatar), "授权设置已保存")

digital-avatar-app/backend/routers/takeover.py

@@ -34,12 +34,12 @@ def get_takeover_status(
         .count()
     )
 
-    if not enabled:
+    if cursor and cursor.last_error:
+        status, message = "error", cursor.last_error
+    elif not enabled:
         status, message = "disabled", "主动接管未开启"
     elif not user or not user.huihui_token:
         status, message = "needs_login", "请重新登录会会生产账号以连接 BOXIM"
-    elif cursor and cursor.last_error:
-        status, message = "error", cursor.last_error
     elif (
         cursor
         and cursor.initialized

digital-avatar-app/backend/services/boxim_client.py

@@ -97,7 +97,18 @@ class BoxIMClient:
                 payload.get("message") or "BOXIM 授权失败",
                 code=code or response.status_code,
                 auth_error=response.status_code in (400, 401, 403)
-                or code in (400, 401, 40100, 403, "400", "401", "40100", "403"),
+                or code in (
+                    400,
+                    401,
+                    40100,
+                    40101,
+                    403,
+                    "400",
+                    "401",
+                    "40100",
+                    "40101",
+                    "403",
+                ),
             )
         if not data.get("accessToken"):
             raise BoxIMError("会会未返回 BOXIM 访问凭证", auth_error=True)
@@ -128,7 +139,7 @@ class BoxIMClient:
                 payload.get("message") or "BOXIM 请求失败",
                 code=code or response.status_code,
                 auth_error=response.status_code in (400, 401, 403)
-                or code in (400, 401, 403, "400", "401", "403"),
+                or code in (400, 401, 40100, 40101, 403, "400", "401", "40100", "40101", "403"),
             )
         return payload.get("data")
 

digital-avatar-app/backend/services/takeover_service.py

@@ -191,6 +191,37 @@ class TakeoverService:
     def _forget_boxim_session(self, user_id: str):
         self._sessions.pop(user_id, None)
 
+    def _disable_after_connection_failure(
+        self,
+        db: Session,
+        avatar: Avatar,
+        cursor: TakeoverCursor,
+        message: str,
+    ):
+        permissions = (avatar.config or {}).get("authorizationPermissions", [])
+        avatar.config = {
+            **(avatar.config or {}),
+            "authorizationPermissions": [
+                permission
+                for permission in permissions
+                if permission != TAKEOVER_PERMISSION
+            ],
+        }
+        cursor.last_error = message
+        cursor.last_polled_at = self.now()
+        tasks = (
+            db.query(TakeoverReplyTask)
+            .filter(
+                TakeoverReplyTask.avatar_id == avatar.id,
+                TakeoverReplyTask.status.in_(ACTIVE_TASK_STATUSES),
+            )
+            .all()
+        )
+        for task in tasks:
+            task.status = "cancelled"
+            task.cancel_reason = "connection_failed"
+            task.locked_at = None
+
     async def _sync_avatar(self, avatar_id: str) -> bool:
         db = self.session_factory()
         try:
@@ -204,8 +235,12 @@ class TakeoverService:
                 db.add(cursor)
                 db.flush()
             if not user or not user.huihui_token:
-                cursor.last_error = "请重新登录会会生产账号后再开启主动接管"
-                cursor.last_polled_at = self.now()
+                self._disable_after_connection_failure(
+                    db,
+                    avatar,
+                    cursor,
+                    "请重新登录会会生产账号后再开启主动接管",
+                )
                 db.commit()
                 return False
 
@@ -222,10 +257,10 @@ class TakeoverService:
             except Exception as exc:
                 if isinstance(exc, BoxIMError) and exc.auth_error:
                     self._forget_boxim_session(user.id)
-                    cursor.last_error = "BOXIM 授权已失效，请重新登录会会生产账号"
+                    message = "BOXIM 授权已失效，请重新登录会会生产账号"
                 else:
-                    cursor.last_error = f"BOXIM 暂时连接失败：{str(exc)[:160]}"
-                cursor.last_polled_at = self.now()
+                    message = f"BOXIM 暂时连接失败：{str(exc)[:160]}"
+                self._disable_after_connection_failure(db, avatar, cursor, message)
                 db.commit()
                 logger.warning("BOXIM sync failed for avatar %s: %s", avatar.id, exc)
                 return False

digital-avatar-app/backend/tests/test_takeover_api.py

@@ -6,7 +6,7 @@ from fastapi.testclient import TestClient
 
 from database import SessionLocal
 from main import app
-from models import Authorization, TakeoverCursor, TakeoverReplyTask, User
+from models import Authorization, Avatar, TakeoverCursor, TakeoverReplyTask, User
 
 
 client = TestClient(app)
@@ -203,3 +203,29 @@ def test_takeover_status_reports_ready_pending_count_and_errors(authorization_co
     failed = client.get(endpoint, headers=context["owner_headers"]).json()["data"]
     assert failed["status"] == "error"
     assert failed["message"] == "BOXIM 暂时不可用"
+
+    db = SessionLocal()
+    try:
+        avatar = db.query(Avatar).filter(Avatar.id == avatar_id).one()
+        avatar.config = {"authorizationPermissions": ["chat"]}
+        db.commit()
+    finally:
+        db.close()
+
+    auto_disabled = client.get(endpoint, headers=context["owner_headers"]).json()["data"]
+    assert auto_disabled["enabled"] is False
+    assert auto_disabled["status"] == "error"
+
+    client.put(
+        f"/api/avatar/{avatar_id}/permission-settings",
+        headers=context["owner_headers"],
+        json={"permissions": ["chat", "takeover"]},
+    )
+    db = SessionLocal()
+    try:
+        cursor = db.query(TakeoverCursor).filter(TakeoverCursor.avatar_id == avatar_id).one()
+        assert cursor.initialized is False
+        assert cursor.last_message_id == "0"
+        assert cursor.last_error == ""
+    finally:
+        db.close()

digital-avatar-app/backend/tests/test_takeover_service.py

@@ -1,7 +1,7 @@
 """End-to-end service tests for BOXIM takeover timing and human priority."""
 
 from datetime import datetime, timedelta, timezone
-from unittest.mock import patch
+from unittest.mock import AsyncMock, patch
 
 import pytest
 from sqlalchemy import create_engine
@@ -10,6 +10,7 @@ from sqlalchemy.pool import StaticPool
 
 from database import Base
 from models import Avatar, TakeoverCursor, TakeoverMessage, TakeoverReplyTask, User
+from services.boxim_client import BoxIMError
 from services.takeover_service import TakeoverService, _plain_text_reply
 
 
@@ -192,5 +193,28 @@ async def test_quick_successive_messages_are_coalesced_into_one_reply(service_co
         db.close()
 
 
+@pytest.mark.asyncio
+async def test_connection_failure_disables_takeover_and_stops_retrying(service_context):
+    session_factory, service, boxim, _ = service_context
+    boxim.exchange_access_token = AsyncMock(
+        side_effect=BoxIMError("无效的访问令牌", code=40101, auth_error=True)
+    )
+
+    await service.poll_and_process_messages()
+    await service.poll_and_process_messages()
+
+    db = session_factory()
+    try:
+        avatar = db.query(Avatar).one()
+        cursor = db.query(TakeoverCursor).one()
+        assert "takeover" not in avatar.config["authorizationPermissions"]
+        assert cursor.initialized is False
+        assert "重新登录" in cursor.last_error
+        assert db.query(TakeoverReplyTask).count() == 0
+    finally:
+        db.close()
+    boxim.exchange_access_token.assert_awaited_once_with("prod-huihui-token")
+
+
 def test_plain_text_reply_removes_markdown_and_empty_lines():
     assert _plain_text_reply("## 建议\n\n**不能自行用药**\n`必要时就医`") == "建议\n不能自行用药\n必要时就医"

digital-avatar-app/src/views/AuthorizationManage.vue

@@ -63,7 +63,14 @@
 
             <span class="permission-copy">
               <strong>{{ item.title }}</strong>
-              <small>{{ item.key === 'takeover' ? takeoverDescription : item.description }}</small>
+              <small>
+                {{ item.description }}
+                <span
+                  v-if="item.key === 'takeover' && takeoverConnectionLabel"
+                  class="connection-state"
+                  :class="takeoverConnectionTone"
+                > · {{ takeoverConnectionLabel }}</span>
+              </small>
             </span>
 
             <span class="permission-switch" :class="{ active: permissionState[item.key] }" aria-hidden="true">
@@ -179,9 +186,21 @@ const takeoverStatus = ref<TakeoverStatus | null>(null)
 let toastTimer: number | undefined
 let takeoverStatusTimer: number | undefined
 
-const takeoverDescription = computed(() => {
-  if (!permissionState.takeover) return '收到私聊消息 3 秒后回复，主人发言时暂停'
-  return takeoverStatus.value?.message || '正在连接 BOXIM'
+const takeoverConnectionLabel = computed(() => {
+  if (takeoverStatus.value?.status === 'error' || takeoverStatus.value?.status === 'needs_login') {
+    return '连接失败'
+  }
+  if (takeoverStatus.value?.status === 'ready') return '已连接'
+  if (permissionState.takeover) return '正在连接'
+  return ''
+})
+
+const takeoverConnectionTone = computed(() => {
+  if (takeoverStatus.value?.status === 'ready') return 'ready'
+  if (takeoverStatus.value?.status === 'error' || takeoverStatus.value?.status === 'needs_login') {
+    return 'failed'
+  }
+  return 'connecting'
 })
 
 const setPermissions = (permissions: AvatarPermission[]) => {
@@ -249,6 +268,9 @@ const loadTakeoverStatus = async () => {
   if (!activeAvatarId.value) return
   try {
     takeoverStatus.value = await getTakeoverStatus(activeAvatarId.value)
+    if (!takeoverStatus.value.enabled && permissionState.takeover) {
+      permissionState.takeover = false
+    }
   } catch {
     takeoverStatus.value = null
   }
@@ -476,6 +498,22 @@ svg {
   display: block;
 }
 
+.connection-state {
+  font-weight: 600;
+}
+
+.connection-state.connecting {
+  color: #d78532;
+}
+
+.connection-state.ready {
+  color: #31966b;
+}
+
+.connection-state.failed {
+  color: #d95849;
+}
+
 .permission-copy strong {
   color: #26272b;
   font-size: 14px;