diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 171b309b..ae0f3ef3 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -6,8 +6,7 @@ requires-python = ">=3.14"
 dependencies = [
     "fastapi>=0.109.0",
     "uvicorn>=0.27.0",
-    "httpx[socks]>=0.25.0",
-    "httpx-socks>=0.9.0",
+    "httpx2[socks]>=2.15",
     "beautifulsoup4>=4.15.0",
     "sqlmodel>=0.0.48",
     "sqlalchemy[aiosqlite]>=2.1.5",
@@ -79,11 +78,6 @@ disallow_untyped_defs = false
 module = "module.__version__"
 ignore_missing_imports = true
 
-# httpx_socks 已安装但未发布类型存根
-[[tool.mypy.overrides]]
-module = "httpx_socks.*"
-ignore_missing_imports = true
-
 # aiohttp 仅用于 e2e mock server（在独立 Docker 容器中安装，不在本项目依赖中）
 [[tool.mypy.overrides]]
 module = "aiohttp"
diff --git a/backend/sdk/pyproject.toml b/backend/sdk/pyproject.toml
index 26f40bd3..a2655d8e 100644
--- a/backend/sdk/pyproject.toml
+++ b/backend/sdk/pyproject.toml
@@ -13,7 +13,7 @@ requires-python = ">=3.14"
 license = "MIT"
 dependencies = [
     "pydantic>=2.0.0",
-    "httpx>=0.25.0",
+    "httpx2>=2.15",
     "packaging>=26.0",
 ]
 
diff --git a/backend/src/ab_sdk/__init__.py b/backend/src/ab_sdk/__init__.py
index 9dca6562..469453f0 100644
--- a/backend/src/ab_sdk/__init__.py
+++ b/backend/src/ab_sdk/__init__.py
@@ -12,7 +12,7 @@ from .events import Event, PluginDisabled, PluginLoaded
 from .hooks import Verdict, hook, provider, subscribe
 from .plugin import Plugin
 
-SDK_VERSION = "0.5.0"
+SDK_VERSION = "0.6.0"
 
 __all__ = [
     "SDK_VERSION",
diff --git a/backend/src/ab_sdk/llm.py b/backend/src/ab_sdk/llm.py
index 32c24340..ebd4e5bb 100644
--- a/backend/src/ab_sdk/llm.py
+++ b/backend/src/ab_sdk/llm.py
@@ -13,7 +13,7 @@ from abc import ABC, abstractmethod
 from dataclasses import dataclass
 from typing import Any, Callable, ClassVar, Literal, Optional
 
-import httpx
+import httpx2
 from pydantic import BaseModel
 
 
@@ -66,9 +66,9 @@ class AdapterContext:
     api_key: str = ""
     base_url: str = ""
     timeout: float = 20.0
-    # llm._build_http_client——代理感知的 httpx 客户端工厂（保持其
+    # llm._build_http_client——代理感知的 httpx2 客户端工厂（保持其
     # patch 路径在 llm.py，因此以依赖注入方式传入）。
-    build_http_client: Callable[[float], httpx.AsyncClient] = None  # type: ignore[assignment]
+    build_http_client: Callable[[float], httpx2.AsyncClient] = None  # type: ignore[assignment]
     # M3 起为 CredentialStore；api_key 类适配器恒为 None。
     credentials: Any = None
 
@@ -78,7 +78,7 @@ class LLMProviderAdapter(ABC):
 
     info: ClassVar[ProviderInfo]
 
-    _http_client: Optional[httpx.AsyncClient] = None
+    _http_client: Optional[httpx2.AsyncClient] = None
 
     def __init__(self, ctx: AdapterContext) -> None:
         self.ctx = ctx
diff --git a/backend/src/module/ab_decorator/__init__.py b/backend/src/module/ab_decorator/__init__.py
index 689e7850..8cf8cb83 100644
--- a/backend/src/module/ab_decorator/__init__.py
+++ b/backend/src/module/ab_decorator/__init__.py
@@ -2,7 +2,7 @@ import asyncio
 import functools
 import logging
 
-import httpx
+import httpx2
 
 logger = logging.getLogger(__name__)
 _lock = asyncio.Lock()
@@ -22,9 +22,9 @@ def qb_connect_failed_wait(func):
                 ConnectionError,
                 TimeoutError,
                 OSError,
-                httpx.ConnectError,
-                httpx.TimeoutException,
-                httpx.RequestError,
+                httpx2.ConnectError,
+                httpx2.TimeoutException,
+                httpx2.RequestError,
             ) as e:
                 last_error = e
                 delay = _RETRY_DELAYS[times]
diff --git a/backend/src/module/api/setup.py b/backend/src/module/api/setup.py
index 6ba20386..695a334d 100644
--- a/backend/src/module/api/setup.py
+++ b/backend/src/module/api/setup.py
@@ -6,7 +6,7 @@ from pathlib import Path
 from typing import Annotated
 from urllib.parse import urlparse
 
-import httpx
+import httpx2
 from fastapi import APIRouter, Depends, HTTPException, Request, Response
 from pydantic import BaseModel, Field
 
@@ -213,7 +213,7 @@ async def test_downloader(req: TestDownloaderRequest):
     _validate_scheme(host)
 
     try:
-        async with httpx.AsyncClient(timeout=5.0) as client:
+        async with httpx2.AsyncClient(timeout=5.0) as client:
             if req.type == "aria2":
                 # aria2 走 JSON-RPC：getVersion 一次验证可达性与 RPC secret
                 params = [f"token:{req.password}"] if req.password else []
@@ -288,13 +288,13 @@ async def test_downloader(req: TestDownloaderRequest):
                     message_en="Authentication failed: incorrect username or password.",
                     message_zh="认证失败：用户名或密码错误。",
                 )
-    except httpx.TimeoutException:
+    except httpx2.TimeoutException:
         return TestResultResponse(
             success=False,
             message_en="Connection timed out.",
             message_zh="连接超时。",
         )
-    except httpx.ConnectError:
+    except httpx2.ConnectError:
         return TestResultResponse(
             success=False,
             message_en="Cannot connect to the host.",
@@ -438,7 +438,7 @@ async def complete_setup(
 
         # settings.save() does synchronous file I/O; keep it off the event loop.
         await asyncio.to_thread(settings.save, config_dict)
-        # Route through the AppContext reload path so the shared httpx client,
+        # Route through the AppContext reload path so the shared httpx2 client,
         # notifier, and scheduler are rebuilt against the new config too — not
         # just the in-memory settings dict.
         await ctx.reload_settings()
diff --git a/backend/src/module/conf/log.py b/backend/src/module/conf/log.py
index 1d7179a5..3df327a6 100644
--- a/backend/src/module/conf/log.py
+++ b/backend/src/module/conf/log.py
@@ -88,5 +88,6 @@ def setup_logger(level: int = logging.INFO, reset: bool = False):
         handlers=[queue_handler],
     )
 
-    # Suppress verbose HTTP request logs from httpx
-    logging.getLogger("httpx").setLevel(logging.WARNING)
+    # 压低 HTTP 请求日志：httpx2 是本项目的客户端；google-genai 与 mcp 仍依赖旧 httpx
+    for name in ("httpx2", "httpx"):
+        logging.getLogger(name).setLevel(logging.WARNING)
diff --git a/backend/src/module/downloader/client/aria2_downloader.py b/backend/src/module/downloader/client/aria2_downloader.py
index 52bd9327..ac882ea3 100644
--- a/backend/src/module/downloader/client/aria2_downloader.py
+++ b/backend/src/module/downloader/client/aria2_downloader.py
@@ -5,7 +5,7 @@ import os
 import shutil
 from typing import ClassVar
 
-import httpx
+import httpx2
 
 from module.database import Database
 from module.database.aria2 import Aria2RenameIntent
@@ -77,7 +77,7 @@ class Aria2Downloader:
         # gid 只在 aria2 实例内唯一，本地映射按实例 id 区分
         self.instance_id = instance_id
         self.secret = password
-        self._client: httpx.AsyncClient | None = None
+        self._client: httpx2.AsyncClient | None = None
         self._authed = False
         self._rpc_url = f"{host}/jsonrpc"
         self._id = 0
@@ -99,9 +99,9 @@ class Aria2Downloader:
         }
         try:
             resp = await self._client.post(self._rpc_url, json=payload, timeout=timeout)
-        except httpx.TimeoutException as e:
+        except httpx2.TimeoutException as e:
             raise Aria2ConnectionError(f"aria2 RPC '{method}' timed out: {e}") from e
-        except httpx.RequestError as e:
+        except httpx2.RequestError as e:
             raise Aria2ConnectionError(
                 f"aria2 RPC '{method}' request failed: {e}"
             ) from e
@@ -120,8 +120,8 @@ class Aria2Downloader:
         if self._client is not None and self._authed:
             return True
         if self._client is None:
-            self._client = httpx.AsyncClient(
-                timeout=httpx.Timeout(connect=3.1, read=10.0, write=10.0, pool=10.0)
+            self._client = httpx2.AsyncClient(
+                timeout=httpx2.Timeout(connect=3.1, read=10.0, write=10.0, pool=10.0)
             )
         times = 0
         while times < retry:
diff --git a/backend/src/module/downloader/client/qb_downloader.py b/backend/src/module/downloader/client/qb_downloader.py
index 027554fd..72890139 100644
--- a/backend/src/module/downloader/client/qb_downloader.py
+++ b/backend/src/module/downloader/client/qb_downloader.py
@@ -5,7 +5,7 @@ import logging
 import re
 from typing import ClassVar
 
-import httpx
+import httpx2
 
 from module.ab_decorator import qb_connect_failed_wait
 from module.downloader.base import (
@@ -78,7 +78,7 @@ class QbDownloader:
         self.username = username
         self.password = password
         self.ssl = ssl
-        self._client: httpx.AsyncClient | None = None
+        self._client: httpx2.AsyncClient | None = None
         self._authed = False
         # 最近一次 auth 失败的原因（unreachable | credentials | banned），
         # 供上层（checker/startup 等待循环）区分故障类型；成功后清空。
@@ -97,21 +97,21 @@ class QbDownloader:
     def _url(self, endpoint: str) -> str:
         return f"{self.host}/api/v2/{endpoint}"
 
-    def _new_client(self) -> httpx.AsyncClient:
-        timeout = httpx.Timeout(connect=5.0, read=10.0, write=10.0, pool=10.0)
+    def _new_client(self) -> httpx2.AsyncClient:
+        timeout = httpx2.Timeout(connect=5.0, read=10.0, write=10.0, pool=10.0)
         # Keepalive_expiry keeps idle TCP sockets short-lived so they can't
         # outlive a proxy / NAS idle-reap, which would otherwise surface as
         # "Server disconnected without sending a response" when the next
         # renamer cycle reuses the pool (#984). max_connections caps parallel
         # load on the downloader and anything fronting it.
-        limits = httpx.Limits(
+        limits = httpx2.Limits(
             max_keepalive_connections=5,
             max_connections=10,
             keepalive_expiry=30.0,
         )
         # Never verify certificates - self-signed certs are the norm for
         # home-server / NAS / Docker qBittorrent setups.
-        return httpx.AsyncClient(timeout=timeout, limits=limits, verify=False)
+        return httpx2.AsyncClient(timeout=timeout, limits=limits, verify=False)
 
     async def auth(self, retry=3):
         # Session reuse: a live, already-authenticated client short-circuits so
@@ -191,7 +191,7 @@ class QbDownloader:
                     )
                     await asyncio.sleep(5)
                     times += 1
-            except httpx.ConnectError as e:
+            except httpx2.ConnectError as e:
                 self.last_auth_error = "unreachable"
                 if use_https:
                     logger.error(
@@ -216,7 +216,7 @@ class QbDownloader:
                 break
         return False
 
-    async def _request(self, method: str, endpoint: str, **kwargs) -> httpx.Response:
+    async def _request(self, method: str, endpoint: str, **kwargs) -> httpx2.Response:
         """Issue a request, re-authenticating once if the session expired.
 
         qBittorrent answers 403 when the session cookie is no longer valid
@@ -244,10 +244,10 @@ class QbDownloader:
             resp = await self._client.request(method, self._url(endpoint), **kwargs)
         return resp
 
-    async def _get(self, endpoint: str, **kwargs) -> httpx.Response:
+    async def _get(self, endpoint: str, **kwargs) -> httpx2.Response:
         return await self._request("GET", endpoint, **kwargs)
 
-    async def _post(self, endpoint: str, **kwargs) -> httpx.Response:
+    async def _post(self, endpoint: str, **kwargs) -> httpx2.Response:
         return await self._request("POST", endpoint, **kwargs)
 
     async def logout(self):
@@ -255,9 +255,9 @@ class QbDownloader:
             try:
                 await self._client.post(self._url("auth/logout"))
             except (
-                httpx.ConnectError,
-                httpx.RequestError,
-                httpx.TimeoutException,
+                httpx2.ConnectError,
+                httpx2.RequestError,
+                httpx2.TimeoutException,
             ) as e:
                 logger.debug("Logout request failed (non-critical): %s", e)
             await self._client.aclose()
@@ -306,7 +306,7 @@ class QbDownloader:
                 )
                 return None
             payload = resp.json()
-        except (ConnectionError, OSError, ValueError, httpx.RequestError) as e:
+        except (ConnectionError, OSError, ValueError, httpx2.RequestError) as e:
             logger.warning("Could not verify qBittorrent task %s: %s", torrent_hash, e)
             return None
         return isinstance(payload, list) and any(
@@ -374,11 +374,11 @@ class QbDownloader:
             resp = await self._get("torrents/info", params={"hashes": "|".join(hashes)})
             found = {t.get("hash", "").lower() for t in resp.json()}
             return set(hashes) <= found
-        except (httpx.RequestError, ValueError):
+        except (httpx2.RequestError, ValueError):
             return False
 
     @staticmethod
-    def _parse_add_response_json(resp: httpx.Response) -> dict | None:
+    def _parse_add_response_json(resp: httpx2.Response) -> dict | None:
         """qB >= 5.2 的 torrents/add 回 JSON 计数；旧版本回 "Ok."/"Fails."。
         不是该结构（如代理返回的 HTML 错误页）时返回 None，走通用失败路径。
         """
@@ -483,7 +483,7 @@ class QbDownloader:
                     "qBittorrent rejected torrent add: "
                     f"HTTP {resp.status_code} {resp.text!r}"
                 )
-            except (httpx.ReadError, httpx.ConnectError, httpx.RequestError) as e:
+            except (httpx2.ReadError, httpx2.ConnectError, httpx2.RequestError) as e:
                 if attempt < max_retries - 1:
                     logger.warning(
                         f"Network error adding torrent (attempt {attempt + 1}/{max_retries}): {e}"
@@ -600,7 +600,7 @@ class QbDownloader:
                 RenameOutcome.RETRYABLE_FAILURE,
                 detail="qBittorrent did not expose the target path after rename",
             )
-        except (httpx.ConnectError, httpx.RequestError, httpx.TimeoutException) as e:
+        except (httpx2.ConnectError, httpx2.RequestError, httpx2.TimeoutException) as e:
             logger.warning(f"Failed to rename file {old_path}: {e}")
             return RenameResult(RenameOutcome.RETRYABLE_FAILURE, detail=str(e))
 
diff --git a/backend/src/module/network/request_url.py b/backend/src/module/network/request_url.py
index 47f31140..cdc80f3f 100644
--- a/backend/src/module/network/request_url.py
+++ b/backend/src/module/network/request_url.py
@@ -4,8 +4,7 @@ import math
 from collections.abc import Mapping
 from typing import Any
 
-import httpx
-from httpx_socks import AsyncProxyTransport
+import httpx2
 
 from ab_sdk import points
 from ab_sdk.ingest import HttpRequest
@@ -15,13 +14,13 @@ from module.plugin import host as plugin_host
 logger = logging.getLogger(__name__)
 
 # Module-level shared client for connection reuse
-_shared_client: httpx.AsyncClient | None = None
+_shared_client: httpx2.AsyncClient | None = None
 _shared_client_proxy_key: str | None = None
 
 # RSS 循环间隔 900s， 远超服务端 keep-alive 超时（60-120s）
 # keepalive_expiry=60 让空闲连接在过期前主动丢弃，避免复用过期连接
 # max_connections=20 足够覆盖典型订阅数量
-_CONNECTION_LIMITS = httpx.Limits(
+_CONNECTION_LIMITS = httpx2.Limits(
     max_keepalive_connections=5,
     max_connections=20,
     keepalive_expiry=60.0,
@@ -33,7 +32,7 @@ HTTP_429_FALLBACK_DELAY = 10.0
 HTTP_429_MAX_RETRY_AFTER = 60.0
 
 
-def _retry_after_delay(response: httpx.Response) -> float:
+def _retry_after_delay(response: httpx2.Response) -> float:
     """从 429 响应解析等待秒数；仅接受数字形式的 Retry-After，日期形式走默认值。"""
     retry_after = response.headers.get("Retry-After")
     if retry_after is not None:
@@ -54,14 +53,32 @@ def _proxy_config_key() -> str:
     return ""
 
 
-async def get_shared_client() -> httpx.AsyncClient:
+def proxy_url() -> str | None:
+    """settings.proxy 对应的代理 URL；未启用或类型未知时为 None。
+
+    socks5 由 httpx2 原生支持，目标主机名交给代理解析（等同旧的 rdns=True）。
+    """
+    proxy = settings.proxy
+    if not proxy.enable:
+        return None
+    if "http" in proxy.type:
+        scheme = "http"
+    elif proxy.type == "socks5":
+        scheme = "socks5"
+    else:
+        return None
+    auth = f"{proxy.username}:{proxy.password}@" if proxy.username else ""
+    return f"{scheme}://{auth}{proxy.host}:{proxy.port}"
+
+
+async def get_shared_client() -> httpx2.AsyncClient:
     global _shared_client, _shared_client_proxy_key
     current_key = _proxy_config_key()
     if _shared_client is not None and _shared_client_proxy_key == current_key:
         return _shared_client
     if _shared_client is not None:
         await _shared_client.aclose()
-    timeout = httpx.Timeout(connect=10.0, read=30.0, write=10.0, pool=10.0)
+    timeout = httpx2.Timeout(connect=10.0, read=30.0, write=10.0, pool=10.0)
     # follow_redirects=True: Mikan mirrors and some CDNs respond with 302 to the
     # canonical host; without this, raise_for_status treats the redirect as an
     # error and the RSS pull fails (#983).
@@ -70,34 +87,18 @@ async def get_shared_client() -> httpx.AsyncClient:
         "limits": _CONNECTION_LIMITS,
         "follow_redirects": True,
     }
-    if settings.proxy.enable:
-        if "http" in settings.proxy.type:
-            if settings.proxy.username:
-                proxy_url = f"http://{settings.proxy.username}:{settings.proxy.password}@{settings.proxy.host}:{settings.proxy.port}"
-            else:
-                proxy_url = f"http://{settings.proxy.host}:{settings.proxy.port}"
-            _shared_client = httpx.AsyncClient(proxy=proxy_url, **common_kwargs)
-        elif settings.proxy.type == "socks5":
-            if settings.proxy.username:
-                socks_url = f"socks5://{settings.proxy.username}:{settings.proxy.password}@{settings.proxy.host}:{settings.proxy.port}"
-            else:
-                socks_url = f"socks5://{settings.proxy.host}:{settings.proxy.port}"
-            transport = AsyncProxyTransport.from_url(socks_url, rdns=True)
-            _shared_client = httpx.AsyncClient(transport=transport, **common_kwargs)
-        else:
-            _shared_client = httpx.AsyncClient(**common_kwargs)
-    else:
-        _shared_client = httpx.AsyncClient(**common_kwargs)
+    _shared_client = httpx2.AsyncClient(proxy=proxy_url(), **common_kwargs)
     _shared_client_proxy_key = current_key
     return _shared_client
 
 
-async def _replace_stale_client(stale: httpx.AsyncClient) -> httpx.AsyncClient:
-    """#1104: httpcore 在 HTTP 代理 CONNECT 成功、TLS 握手失败时泄漏隧道连接，
+async def _replace_stale_client(stale: httpx2.AsyncClient) -> httpx2.AsyncClient:
+    """#1104: httpcore2 在 HTTP 代理 CONNECT 成功、TLS 握手失败时泄漏隧道连接，
     连接池被占满后永久 PoolTimeout。换一个新 client 给后续请求；旧的不 aclose
     （其他协程可能仍在使用，见 dc786a29），交给 GC 回收。"""
     global _shared_client
-    # ponytail: 旧连接要等 GC 才释放；httpcore 修复 encode/httpcore#1087 发布后升级依赖并删除此函数
+    # ponytail: 旧连接要等 GC 才释放；httpcore2 2.15.1 的 start_tls 失败路径仍未关闭隧道
+    # （同 encode/httpcore#1087），修复发布后升级依赖并删除此函数
     if _shared_client is stale:
         _shared_client = None
     return await get_shared_client()
@@ -138,7 +139,7 @@ class RequestURL:
 
     def __init__(self):
         self.header = {"User-Agent": self.DEFAULT_UA, "Accept": "application/xml"}
-        self._client: httpx.AsyncClient | None = None
+        self._client: httpx2.AsyncClient | None = None
 
     def _get_headers(self, url: str) -> dict:
         """Get appropriate headers based on URL type."""
@@ -173,7 +174,7 @@ class RequestURL:
                 )
                 req.raise_for_status()
                 return req
-            except httpx.HTTPStatusError as e:
+            except httpx2.HTTPStatusError as e:
                 logger.warning(f"HTTP {e.response.status_code} from {url}")
                 if e.response.status_code != 429:
                     break
@@ -187,11 +188,11 @@ class RequestURL:
                     f"({try_time}/{retry})"
                 )
                 await asyncio.sleep(delay)
-            except httpx.RequestError as e:
+            except httpx2.RequestError as e:
                 logger.warning(
                     f"Request error for {url}: {type(e).__name__}. Retry {try_time + 1}/{retry}"
                 )
-                if isinstance(e, httpx.PoolTimeout):
+                if isinstance(e, httpx2.PoolTimeout):
                     self._client = await _replace_stale_client(self._client)
                 try_time += 1
                 if try_time >= retry:
@@ -218,7 +219,7 @@ class RequestURL:
                 req = await self._client.post(url=url, headers=self.header, data=data)
                 req.raise_for_status()
                 return req
-            except httpx.HTTPStatusError as e:
+            except httpx2.HTTPStatusError as e:
                 # 服务端拒绝不是连接失败，重试无意义；把状态码和响应体
                 # （如 Telegram 的 JSON description）记下来便于排查（#1094）。
                 logger.warning(
@@ -228,9 +229,9 @@ class RequestURL:
                     e.response.text[:200],
                 )
                 break
-            except httpx.RequestError as e:
+            except httpx2.RequestError as e:
                 logger.warning(f"Cannot connect to {url}. Wait for 5 seconds.")
-                if isinstance(e, httpx.PoolTimeout):
+                if isinstance(e, httpx2.PoolTimeout):
                     self._client = await _replace_stale_client(self._client)
                 try_time += 1
                 if try_time >= retry:
@@ -254,7 +255,7 @@ class RequestURL:
             )
             req.raise_for_status()
             return req
-        except httpx.HTTPStatusError as e:
+        except httpx2.HTTPStatusError as e:
             # 别把服务端拒绝（4xx/5xx）误报成连接失败：响应体里通常带有明确的
             # 拒绝原因（如 Telegram 的 JSON description），排查 #1094 全靠它。
             logger.warning(
@@ -264,12 +265,12 @@ class RequestURL:
                 e.response.text[:200],
             )
             return None
-        except httpx.RequestError:
+        except httpx2.RequestError:
             logger.warning(f"Cannot connect to {url}.")
             return None
 
     async def post_json(self, url: str, json_data: dict, headers: dict | None = None):
-        """POST a JSON body (httpx ``json=``, not form-encoded ``data=``).
+        """POST a JSON body (httpx2 ``json=``, not form-encoded ``data=``).
 
         Used by JSON-body notification providers (Discord, Webhook, Gotify,
         Bark) that reject form-encoded requests.
@@ -283,7 +284,7 @@ class RequestURL:
             )
             req.raise_for_status()
             return req
-        except (httpx.RequestError, httpx.HTTPStatusError):
+        except (httpx2.RequestError, httpx2.HTTPStatusError):
             logger.warning(f"Cannot connect to {url}.")
             return None
 
diff --git a/backend/src/module/notification/base.py b/backend/src/module/notification/base.py
index 97cd1d4d..82078423 100644
--- a/backend/src/module/notification/base.py
+++ b/backend/src/module/notification/base.py
@@ -151,13 +151,13 @@ class NotificationProvider(ABC):
         return await self._http.post_files(url, data, files)
 
     async def _post_json(self, url: str, json_data: dict):
-        """POST a JSON payload via ``RequestURL.post_json`` (httpx ``json=``).
+        """POST a JSON payload via ``RequestURL.post_json`` (httpx2 ``json=``).
 
         Args:
             url: The target URL.
             json_data: The JSON-serializable payload.
 
         Returns:
-            The httpx response.
+            The httpx2 response.
         """
         return await self._http.post_json(url, json_data)
diff --git a/backend/src/module/parser/analyser/llm.py b/backend/src/module/parser/analyser/llm.py
index 26e498b4..1c806e3d 100644
--- a/backend/src/module/parser/analyser/llm.py
+++ b/backend/src/module/parser/analyser/llm.py
@@ -3,8 +3,8 @@
 具体提供商逻辑在 ``providers/`` 包中（内置 openai/anthropic/gemini 适配器
 + 注册表）；本模块保留三样东西以维持既有 patch/import 路径：
 
-- ``_build_http_client``：代理感知的 httpx 客户端工厂（测试 patch
-  ``module.parser.analyser.llm.httpx`` / ``AsyncProxyTransport``）；
+- ``_build_http_client``：代理感知的 httpx2 客户端工厂（测试 patch
+  ``module.parser.analyser.llm.httpx2``）；
 - ``Episode``/``EPISODE_JSON_SCHEMA``/``DEFAULT_PROMPT`` 等共享契约的
   重导出（物理定义在 providers/schema.py）；
 - ``LLMParser``：构造签名不变的薄门面，将 ``_openai_client`` 等内部
@@ -14,10 +14,9 @@
 import logging
 from typing import Any
 
-import httpx
-from httpx_socks import AsyncProxyTransport
+import httpx2
 
-from module.conf import settings
+from module.network.request_url import proxy_url
 
 from .providers.base import AdapterContext
 from .providers.credentials import CredentialStore
@@ -107,34 +106,13 @@ class LLMParser:
         return result
 
 
-def _build_http_client(timeout: float) -> httpx.AsyncClient:
-    http_timeout = httpx.Timeout(
+def _build_http_client(timeout: float) -> httpx2.AsyncClient:
+    http_timeout = httpx2.Timeout(
         connect=min(timeout, 10.0),
         read=timeout,
         write=min(timeout, 10.0),
         pool=min(timeout, 10.0),
     )
-    kwargs: dict[str, Any] = {"timeout": http_timeout, "follow_redirects": True}
-    if not settings.proxy.enable:
-        return httpx.AsyncClient(**kwargs)
-    if "http" in settings.proxy.type:
-        if settings.proxy.username:
-            proxy_url = (
-                f"http://{settings.proxy.username}:{settings.proxy.password}"
-                f"@{settings.proxy.host}:{settings.proxy.port}"
-            )
-        else:
-            proxy_url = f"http://{settings.proxy.host}:{settings.proxy.port}"
-        return httpx.AsyncClient(proxy=proxy_url, **kwargs)
-    if settings.proxy.type == "socks5":
-        if settings.proxy.username:
-            proxy_url = (
-                f"socks5://{settings.proxy.username}:{settings.proxy.password}"
-                f"@{settings.proxy.host}:{settings.proxy.port}"
-            )
-        else:
-            proxy_url = f"socks5://{settings.proxy.host}:{settings.proxy.port}"
-        return httpx.AsyncClient(
-            transport=AsyncProxyTransport.from_url(proxy_url, rdns=True), **kwargs
-        )
-    return httpx.AsyncClient(**kwargs)
+    return httpx2.AsyncClient(
+        proxy=proxy_url(), timeout=http_timeout, follow_redirects=True
+    )
diff --git a/backend/src/module/parser/analyser/providers/builtin.py b/backend/src/module/parser/analyser/providers/builtin.py
index 9c75d633..c077c689 100644
--- a/backend/src/module/parser/analyser/providers/builtin.py
+++ b/backend/src/module/parser/analyser/providers/builtin.py
@@ -52,7 +52,7 @@ class OpenAIAdapter(LLMProviderAdapter):
         import openai as openai_sdk
 
         try:
-            resp = await self._openai_client.beta.chat.completions.parse(
+            resp = await self._openai_client.chat.completions.parse(
                 model=self.model,
                 messages=[
                     {"role": "system", "content": DEFAULT_PROMPT},
diff --git a/backend/src/module/plugin/installer.py b/backend/src/module/plugin/installer.py
index a634a610..7a061c08 100644
--- a/backend/src/module/plugin/installer.py
+++ b/backend/src/module/plugin/installer.py
@@ -25,7 +25,7 @@ from dataclasses import dataclass
 from pathlib import Path
 from typing import Any, ClassVar, Optional
 
-import httpx
+import httpx2
 import semver
 
 from ab_sdk.manifest import ID_RE, MANIFEST_NAME, RESERVED_IDS, check
@@ -89,7 +89,7 @@ class SignedCatalogInstaller:
         *,
         root: Optional[Path] = None,
         pubkey_path: Optional[Path] = None,
-        client: Optional[httpx.AsyncClient] = None,
+        client: Optional[httpx2.AsyncClient] = None,
         app_version: str = "0.0.0",
     ) -> None:
         self.root = root if root is not None else DEFAULT_PLUGINS_ROOT
@@ -123,7 +123,7 @@ class SignedCatalogInstaller:
 
     # ------------------------------------------------------------ 下载
 
-    async def _get_client(self) -> httpx.AsyncClient:
+    async def _get_client(self) -> httpx2.AsyncClient:
         if self._client is not None:
             return self._client
         from module.network.request_url import get_shared_client
diff --git a/backend/src/module/plugins/builtin/media-server-refresh/media_server_refresh.py b/backend/src/module/plugins/builtin/media-server-refresh/media_server_refresh.py
index fd8d0f2a..7e0894fa 100644
--- a/backend/src/module/plugins/builtin/media-server-refresh/media_server_refresh.py
+++ b/backend/src/module/plugins/builtin/media-server-refresh/media_server_refresh.py
@@ -12,7 +12,7 @@ import asyncio
 from collections.abc import Callable
 from typing import Literal
 
-import httpx
+import httpx2
 from pydantic import BaseModel, Field
 
 from ab_sdk import Plugin, PluginContext, secret_field, subscribe
@@ -65,8 +65,8 @@ class MediaServerRefresh(Plugin[Options]):
         # 刷新请求发出后又有新事件：这次刷新之后再排一次
         self._again = False
         # 测试可替换为带 MockTransport 的客户端
-        self.client_factory: Callable[[], httpx.AsyncClient] = lambda: (
-            httpx.AsyncClient(timeout=10)
+        self.client_factory: Callable[[], httpx2.AsyncClient] = lambda: (
+            httpx2.AsyncClient(timeout=10)
         )
 
     @property
diff --git a/backend/src/module/update/updater.py b/backend/src/module/update/updater.py
index 489abb54..a71d9edd 100644
--- a/backend/src/module/update/updater.py
+++ b/backend/src/module/update/updater.py
@@ -29,7 +29,7 @@ from dataclasses import asdict, dataclass
 from pathlib import Path
 from typing import Callable, Optional
 
-import httpx
+import httpx2
 import semver
 from pydantic import BaseModel
 
@@ -174,7 +174,7 @@ class Updater:
         data_db: Optional[Path] = None,
         app_root: Optional[Path] = None,
         dependency_syncer: Optional[Callable[[Path], None]] = None,
-        client: Optional[httpx.AsyncClient] = None,
+        client: Optional[httpx2.AsyncClient] = None,
         owner: str = GITHUB_OWNER,
         repo: str = GITHUB_REPO,
         pubkey_path: Optional[Path] = None,
@@ -210,7 +210,7 @@ class Updater:
 
     # -------------------------------------------------------------- HTTP
 
-    async def _get_client(self) -> httpx.AsyncClient:
+    async def _get_client(self) -> httpx2.AsyncClient:
         if self._client is not None:
             return self._client
         return await get_shared_client()
diff --git a/backend/src/module/utils/json_config.py b/backend/src/module/utils/json_config.py
index 4bacf55b..555a60aa 100644
--- a/backend/src/module/utils/json_config.py
+++ b/backend/src/module/utils/json_config.py
@@ -1,6 +1,6 @@
 import json
 
-import httpx
+import httpx2
 
 
 def load(filename):
@@ -14,6 +14,6 @@ def save(filename, obj):
 
 
 async def get(url):
-    async with httpx.AsyncClient() as client:
+    async with httpx2.AsyncClient() as client:
         req = await client.get(url)
         return req.json()
diff --git a/backend/src/test/e2e/downloader/conftest.py b/backend/src/test/e2e/downloader/conftest.py
index 8832392d..654a7f02 100644
--- a/backend/src/test/e2e/downloader/conftest.py
+++ b/backend/src/test/e2e/downloader/conftest.py
@@ -9,7 +9,7 @@ from dataclasses import dataclass
 from pathlib import Path
 from typing import Any
 
-import httpx
+import httpx2
 import pytest
 
 from test.e2e.support import REPO_ROOT, wait_until
@@ -107,7 +107,7 @@ class DownloaderStack:
     def image_version(self, container_id: str) -> str:
         return self.run("docker", "exec", container_id, "cat", "/app/IMAGE_VERSION")
 
-    def wait_for_health(self, client: httpx.Client) -> dict[str, Any]:
+    def wait_for_health(self, client: httpx2.Client) -> dict[str, Any]:
         def probe() -> dict[str, Any]:
             response = client.get("/health")
             return {
diff --git a/backend/src/test/e2e/downloader/test_qb_image_contract.py b/backend/src/test/e2e/downloader/test_qb_image_contract.py
index 1dbaa840..c2d341c6 100644
--- a/backend/src/test/e2e/downloader/test_qb_image_contract.py
+++ b/backend/src/test/e2e/downloader/test_qb_image_contract.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 
 import re
 
-import httpx
+import httpx2
 import pytest
 
 pytestmark = pytest.mark.e2e
@@ -26,7 +26,7 @@ def test_exact_digest_qb_image_uses_only_local_webseed_capabilities(
     assert compose["services"]["qbittorrent"]["image"] == QB_IMAGE
     downloader_stack.image_identity("qbittorrent", QB_IMAGE)
 
-    with httpx.Client(
+    with httpx2.Client(
         base_url=downloader_stack.qb_url,
         timeout=10,
         trust_env=False,
diff --git a/backend/src/test/e2e/downloader/test_release_image_smoke.py b/backend/src/test/e2e/downloader/test_release_image_smoke.py
index 71f3b11d..af34dff1 100644
--- a/backend/src/test/e2e/downloader/test_release_image_smoke.py
+++ b/backend/src/test/e2e/downloader/test_release_image_smoke.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 import os
 import re
 
-import httpx
+import httpx2
 import pytest
 
 pytestmark = pytest.mark.e2e
@@ -13,7 +13,7 @@ pytestmark = pytest.mark.e2e
 _SEMVER = re.compile(r"^\d+\.\d+\.\d+(?:-[0-9A-Za-z]+(?:[.-][0-9A-Za-z]+)*)?$")
 
 
-def _ensure_setup(client: httpx.Client, downloader_stack) -> None:
+def _ensure_setup(client: httpx2.Client, downloader_stack) -> None:
     status = client.get("/api/v1/setup/status")
     assert status.status_code == 200
     if not status.json()["need_setup"]:
@@ -46,7 +46,7 @@ def test_native_image_version_and_config_survive_restart(downloader_stack):
     assert app_service["pull_policy"] == "never"
     assert not app_image.endswith(":latest")
 
-    with httpx.Client(
+    with httpx2.Client(
         base_url=downloader_stack.base_url,
         timeout=10,
         trust_env=False,
diff --git a/backend/src/test/e2e/runtime/test_fake_qb_contract.py b/backend/src/test/e2e/runtime/test_fake_qb_contract.py
index e50e659c..e50c374d 100644
--- a/backend/src/test/e2e/runtime/test_fake_qb_contract.py
+++ b/backend/src/test/e2e/runtime/test_fake_qb_contract.py
@@ -4,7 +4,7 @@ import runpy
 import threading
 from pathlib import Path
 
-import httpx
+import httpx2
 import pytest
 
 pytestmark = pytest.mark.e2e
@@ -32,7 +32,7 @@ def fake_qb_url():
         thread.join(timeout=5)
 
 
-def login(client: httpx.Client) -> None:
+def login(client: httpx2.Client) -> None:
     response = client.post(
         "/api/v2/auth/login",
         data={"username": "admin", "password": "adminadmin"},
@@ -42,7 +42,7 @@ def login(client: httpx.Client) -> None:
 
 
 def test_qb_endpoints_and_successful_delete_update_state(fake_qb_url):
-    with httpx.Client(base_url=fake_qb_url) as client:
+    with httpx2.Client(base_url=fake_qb_url) as client:
         login(client)
 
         assert client.get("/api/v2/app/version").text == "v5.2.3"
@@ -76,7 +76,7 @@ def test_qb_endpoints_and_successful_delete_update_state(fake_qb_url):
 
 
 def test_forced_delete_failure_is_atomic(fake_qb_url):
-    with httpx.Client(base_url=fake_qb_url) as client:
+    with httpx2.Client(base_url=fake_qb_url) as client:
         login(client)
 
         response = client.post(
@@ -95,7 +95,7 @@ def test_forced_delete_failure_is_atomic(fake_qb_url):
 
 
 def test_request_journal_preserves_form_shape_and_redacts_secrets(fake_qb_url):
-    with httpx.Client(base_url=fake_qb_url) as client:
+    with httpx2.Client(base_url=fake_qb_url) as client:
         login(client)
 
         response = client.post(
@@ -137,7 +137,7 @@ def test_request_journal_preserves_form_shape_and_redacts_secrets(fake_qb_url):
 
 
 def test_admin_reset_restores_presets_and_clears_journal(fake_qb_url):
-    with httpx.Client(base_url=fake_qb_url) as client:
+    with httpx2.Client(base_url=fake_qb_url) as client:
         login(client)
         client.post(
             "/api/v2/torrents/delete",
diff --git a/backend/src/test/e2e/runtime/test_mock_upstream_contract.py b/backend/src/test/e2e/runtime/test_mock_upstream_contract.py
index 73bb7c99..62b4630f 100644
--- a/backend/src/test/e2e/runtime/test_mock_upstream_contract.py
+++ b/backend/src/test/e2e/runtime/test_mock_upstream_contract.py
@@ -6,7 +6,7 @@ import shutil
 import threading
 from pathlib import Path
 
-import httpx
+import httpx2
 import pytest
 
 pytestmark = pytest.mark.e2e
@@ -40,7 +40,7 @@ def upstream(fixture_root: Path):
     thread = threading.Thread(target=server.serve_forever, daemon=True)
     thread.start()
     host, port = server.server_address[:2]
-    with httpx.Client(base_url=f"http://{host}:{port}", timeout=5.0) as client:
+    with httpx2.Client(base_url=f"http://{host}:{port}", timeout=5.0) as client:
         yield client, fixture_root
     server.shutdown()
     server.server_close()
@@ -48,7 +48,7 @@ def upstream(fixture_root: Path):
     assert not thread.is_alive()
 
 
-def _activate(client: httpx.Client, name: str) -> None:
+def _activate(client: httpx2.Client, name: str) -> None:
     response = client.put(f"/__admin/scenario/{name}")
     assert response.status_code == 200
     assert response.json()["scenario"] == name
diff --git a/backend/src/test/e2e/runtime/test_packaged_image_persistence.py b/backend/src/test/e2e/runtime/test_packaged_image_persistence.py
index 52bc9176..d046c7aa 100644
--- a/backend/src/test/e2e/runtime/test_packaged_image_persistence.py
+++ b/backend/src/test/e2e/runtime/test_packaged_image_persistence.py
@@ -10,7 +10,7 @@ import subprocess
 from pathlib import Path
 from typing import Any
 
-import httpx
+import httpx2
 import pytest
 
 from test.e2e.support import REPO_ROOT, wait_until
@@ -96,7 +96,7 @@ def _image_version(container_id: str) -> str:
     return _run("docker", "exec", container_id, "cat", "/app/IMAGE_VERSION")
 
 
-def _wait_for_health(client: httpx.Client) -> dict[str, Any]:
+def _wait_for_health(client: httpx2.Client) -> dict[str, Any]:
     def probe() -> dict[str, Any]:
         response = client.get("/health")
         return {
@@ -119,7 +119,7 @@ def _wait_for_health(client: httpx.Client) -> dict[str, Any]:
 
 def test_packaged_image_version_and_config_survive_container_restart():
     environment = _stack_environment()
-    with httpx.Client(
+    with httpx2.Client(
         base_url=environment["AB_E2E_BASE_URL"],
         timeout=10,
         trust_env=False,
diff --git a/backend/src/test/e2e/runtime/test_port_proxy_contract.py b/backend/src/test/e2e/runtime/test_port_proxy_contract.py
index 144fb8ce..9fd0c921 100644
--- a/backend/src/test/e2e/runtime/test_port_proxy_contract.py
+++ b/backend/src/test/e2e/runtime/test_port_proxy_contract.py
@@ -6,7 +6,7 @@ import threading
 from http.server import BaseHTTPRequestHandler
 from pathlib import Path
 
-import httpx
+import httpx2
 import pytest
 
 pytestmark = pytest.mark.e2e
@@ -57,7 +57,7 @@ def test_tcp_proxy_forwards_http_without_interpreting_the_protocol():
     proxy_thread = threading.Thread(target=proxy.serve_forever, daemon=True)
     proxy_thread.start()
     try:
-        response = httpx.get(
+        response = httpx2.get(
             f"http://127.0.0.1:{proxy.server_address[1]}/health?through=proxy",
             timeout=5,
             trust_env=False,
diff --git a/backend/src/test/e2e/support/runtime.py b/backend/src/test/e2e/support/runtime.py
index e42ebe6f..a1a0eb45 100644
--- a/backend/src/test/e2e/support/runtime.py
+++ b/backend/src/test/e2e/support/runtime.py
@@ -21,7 +21,7 @@ from pathlib import Path
 from time import monotonic
 from typing import Any, TypeVar
 
-import httpx
+import httpx2
 
 REPO_ROOT = Path(__file__).resolve().parents[5]
 BACKEND_SRC = REPO_ROOT / "backend" / "src"
@@ -102,7 +102,7 @@ class HttpService:
         host, port = server.server_address[:2]
         connect_host = "127.0.0.1" if host in {"", "0.0.0.0", "::"} else host
         self.base_url = f"http://{connect_host}:{port}"
-        self.client = httpx.Client(
+        self.client = httpx2.Client(
             base_url=self.base_url,
             timeout=5.0,
             trust_env=False,
@@ -167,7 +167,7 @@ class BackendSandbox:
         self._log_handle: Any = None
         self.port = 0
         self.base_url = ""
-        self.client: httpx.Client
+        self.client: httpx2.Client
         self._assign_unused_port()
         self.env = self._build_env()
 
@@ -225,8 +225,8 @@ class BackendSandbox:
         self,
         *,
         headers: Mapping[str, str] | None = None,
-    ) -> httpx.Client:
-        return httpx.Client(
+    ) -> httpx2.Client:
+        return httpx2.Client(
             base_url=self.base_url,
             headers=headers,
             timeout=10.0,
@@ -363,7 +363,7 @@ class BackendSandbox:
         downloader_username: str = "",
         downloader_password: str = "",
         downloader_path: str = "/downloads/Bangumi",
-    ) -> httpx.Response:
+    ) -> httpx2.Response:
         return self.client.post(
             "/api/v1/setup/complete",
             json={
@@ -386,8 +386,8 @@ class BackendSandbox:
         *,
         username: str = E2E_USERNAME,
         password: str = E2E_PASSWORD,
-        client: httpx.Client | None = None,
-    ) -> httpx.Response:
+        client: httpx2.Client | None = None,
+    ) -> httpx2.Response:
         target = client or self.client
         return target.post(
             "/api/v1/auth/login",
diff --git a/backend/src/test/test_api_users.py b/backend/src/test/test_api_users.py
index 47fa3f6b..72674f15 100644
--- a/backend/src/test/test_api_users.py
+++ b/backend/src/test/test_api_users.py
@@ -2,7 +2,7 @@
 
 from typing import Any
 
-import httpx
+import httpx2
 import pytest
 
 from module.database import Database
@@ -13,8 +13,8 @@ async def test_multiple_users_and_sessions_survive_client_recreation(app):
     async with Database() as db:
         await db.user.create_user("first_user", "first-password")
 
-    transport = httpx.ASGITransport(app=app)
-    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+    transport = httpx2.ASGITransport(app=app)
+    async with httpx2.AsyncClient(transport=transport, base_url="http://test") as client:
         login = await client.post(
             "/api/v1/auth/login",
             data={"username": "first_user", "password": "first-password"},
@@ -34,7 +34,7 @@ async def test_multiple_users_and_sessions_survive_client_recreation(app):
             "second_user",
         }
 
-    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+    async with httpx2.AsyncClient(transport=transport, base_url="http://test") as client:
         client.cookies.set("token", persisted_cookie)
         me = await client.get("/api/v1/auth/me")
         assert me.status_code == 200
@@ -48,8 +48,8 @@ async def test_last_enabled_user_conflict_and_session_only_route_matrix(app):
     async with Database() as db:
         only = await db.user.create_user("only_user", "only-password")
 
-    transport = httpx.ASGITransport(app=app)
-    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+    transport = httpx2.ASGITransport(app=app)
+    async with httpx2.AsyncClient(transport=transport, base_url="http://test") as client:
         assert (
             await client.post(
                 "/api/v1/auth/login",
@@ -72,7 +72,7 @@ async def test_last_enabled_user_conflict_and_session_only_route_matrix(app):
         token_id = listed.json()[0]["id"]
 
     headers = {"Authorization": f"Bearer {raw_token}"}
-    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+    async with httpx2.AsyncClient(transport=transport, base_url="http://test") as client:
         assert (await client.get("/api/v1/auth/me", headers=headers)).status_code == 200
         session_only_requests: list[tuple[str, str, dict[str, Any]]] = [
             ("GET", "/api/v1/users", {}),
diff --git a/backend/src/test/test_aria2_downloader.py b/backend/src/test/test_aria2_downloader.py
index a8d5477f..86d81b90 100644
--- a/backend/src/test/test_aria2_downloader.py
+++ b/backend/src/test/test_aria2_downloader.py
@@ -11,7 +11,7 @@ verified by patching ``Aria2Downloader._call`` and letting the real logic
 import os
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import httpx
+import httpx2
 import pytest
 
 from module.database import Database
@@ -92,7 +92,7 @@ class TestCallRpcLayer:
     async def test_call_timeout_raises_connection_error(self):
         aria2 = _aria2()
         aria2._client = AsyncMock()
-        aria2._client.post = AsyncMock(side_effect=httpx.TimeoutException("timed out"))
+        aria2._client.post = AsyncMock(side_effect=httpx2.TimeoutException("timed out"))
 
         with pytest.raises(Aria2ConnectionError):
             await aria2._call("getVersion")
@@ -100,7 +100,7 @@ class TestCallRpcLayer:
     async def test_call_request_error_raises_connection_error(self):
         aria2 = _aria2()
         aria2._client = AsyncMock()
-        aria2._client.post = AsyncMock(side_effect=httpx.ConnectError("refused"))
+        aria2._client.post = AsyncMock(side_effect=httpx2.ConnectError("refused"))
 
         with pytest.raises(Aria2ConnectionError):
             await aria2._call("getVersion")
diff --git a/backend/src/test/test_download_session_reuse.py b/backend/src/test/test_download_session_reuse.py
index e907cdd0..12624974 100644
--- a/backend/src/test/test_download_session_reuse.py
+++ b/backend/src/test/test_download_session_reuse.py
@@ -23,7 +23,7 @@ def _patch_qb_settings(mock_settings, host="localhost:8080"):
 
 
 class _FakeHTTP:
-    """Minimal httpx.AsyncClient stand-in counting logins and data requests."""
+    """Minimal httpx2.AsyncClient stand-in counting logins and data requests."""
 
     def __init__(self, login_calls: list, request_calls: list):
         self._login_calls = login_calls
@@ -62,7 +62,7 @@ class TestSessionReuse:
         with patch("module.downloader.download_client.settings") as mock_settings:
             _patch_qb_settings(mock_settings)
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 side_effect=make_http,
             ):
                 async with DownloadClient():
@@ -98,7 +98,7 @@ class TestSessionReuse:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=_Fake403Once(),
         ):
             await qb.auth()
@@ -140,7 +140,7 @@ class TestSessionReuse:
             return client
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             side_effect=make_http,
         ):
             assert await qb.auth() is True
@@ -168,7 +168,7 @@ class TestSessionReuse:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=_SlowLogin(),
         ):
             r1, r2 = await asyncio.gather(qb.auth(), qb.auth())
@@ -178,7 +178,7 @@ class TestSessionReuse:
 
 
 class _FakeRejectHTTP:
-    """登录永远被拒（错误密码）的 httpx 替身。"""
+    """登录永远被拒（错误密码）的 httpx2 替身。"""
 
     def __init__(self, login_calls: list):
         self._login_calls = login_calls
@@ -204,7 +204,7 @@ class TestCredentialFailureLatch:
         with patch("module.downloader.download_client.settings") as mock_settings:
             _patch_qb_settings(mock_settings)
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 side_effect=lambda *a, **k: _FakeRejectHTTP(login_calls),
             ):
                 for _ in range(3):  # 三个先后到来的 loop tick
@@ -233,7 +233,7 @@ class TestCredentialFailureLatch:
 
         qb = QbDownloader("localhost:8080", "admin", "wrong", ssl=False)
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=_SlowReject(),
         ):
             r = await asyncio.gather(qb.auth(), qb.auth(), qb.auth())
@@ -250,7 +250,7 @@ class TestCredentialFailureLatch:
         with patch("module.downloader.download_client.settings") as mock_settings:
             _patch_qb_settings(mock_settings)
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 side_effect=lambda *a, **k: _FakeRejectHTTP(login_calls),
             ):
                 with pytest.raises(ConnectionError):
@@ -286,7 +286,7 @@ class TestRetiredClientLifecycle:
 
         with patch("module.downloader.download_client.settings") as mock_settings:
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 side_effect=lambda *a, **k: _TrackedHTTP(),
             ):
                 _patch_qb_settings(mock_settings, host="host-a:8080")
@@ -321,7 +321,7 @@ class TestRetiredClientLifecycle:
         with patch("module.downloader.download_client.settings") as mock_settings:
             _patch_qb_settings(mock_settings)
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 return_value=_HangingLogin(),
             ):
 
@@ -369,7 +369,7 @@ class TestRetiredClientLifecycle:
 
         with patch("module.downloader.download_client.settings") as mock_settings:
             with patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 side_effect=[_SlowLoginHTTP(), _FastHTTP()],
             ):
                 _patch_qb_settings(mock_settings, host="host-a:8080")
diff --git a/backend/src/test/test_llm_parser.py b/backend/src/test/test_llm_parser.py
index b32bd20d..6aa85e1b 100644
--- a/backend/src/test/test_llm_parser.py
+++ b/backend/src/test/test_llm_parser.py
@@ -6,11 +6,12 @@ from typing import Any
 from unittest.mock import AsyncMock, patch
 
 import anthropic
-import httpx
+import httpx2
 import openai as openai_sdk
 import pytest
 from google.genai import errors as genai_errors
 
+from module.conf import settings
 from module.models.config import Proxy
 from module.parser.analyser import llm as llm_module
 from module.parser.analyser.llm import (
@@ -56,28 +57,21 @@ class TestLLMParserInit:
             username="user",
             password="pass",
         )
-        with patch.object(llm_module.settings, "proxy", proxy):
-            with patch("module.parser.analyser.llm.httpx.AsyncClient") as mock_client:
+        with patch.object(settings, "proxy", proxy):
+            with patch("module.parser.analyser.llm.httpx2.AsyncClient") as mock_client:
                 llm_module._build_http_client(5.0)
 
         assert mock_client.call_args.kwargs["proxy"] == (
             "http://user:pass@proxy.local:7890"
         )
 
-    def test_socks_proxy_uses_proxy_transport(self):
+    def test_socks_proxy_is_passed_to_injected_http_client(self):
         proxy = Proxy(enable=True, type="socks5", host="proxy.local", port=7891)
-        with patch.object(llm_module.settings, "proxy", proxy):
-            with (
-                patch("module.parser.analyser.llm.httpx.AsyncClient") as mock_client,
-                patch(
-                    "module.parser.analyser.llm.AsyncProxyTransport.from_url",
-                    return_value="transport",
-                ) as mock_transport,
-            ):
+        with patch.object(settings, "proxy", proxy):
+            with patch("module.parser.analyser.llm.httpx2.AsyncClient") as mock_client:
                 llm_module._build_http_client(5.0)
 
-        mock_transport.assert_called_once_with("socks5://proxy.local:7891", rdns=True)
-        assert mock_client.call_args.kwargs["transport"] == "transport"
+        assert mock_client.call_args.kwargs["proxy"] == "socks5://proxy.local:7891"
 
 
 class TestOpenAIProvider:
@@ -102,7 +96,7 @@ class TestOpenAIProvider:
             ]
         )
         mock_create = AsyncMock(return_value=stub_resp)
-        parser._openai_client.beta.chat.completions.parse = mock_create  # type: ignore[method-assign]
+        parser._openai_client.chat.completions.parse = mock_create  # type: ignore[method-assign]
 
         result = await parser.parse(RAW_TITLE)
 
@@ -115,9 +109,9 @@ class TestOpenAIProvider:
 
     async def test_parse_api_error_returns_none(self):
         parser = self._make_parser()
-        parser._openai_client.beta.chat.completions.parse = AsyncMock(  # type: ignore[method-assign]
+        parser._openai_client.chat.completions.parse = AsyncMock(  # type: ignore[method-assign]
             side_effect=openai_sdk.APIConnectionError(
-                request=httpx.Request("POST", "https://api.openai.com/v1")
+                request=httpx2.Request("POST", "https://api.openai.com/v1")
             )
         )
         assert await parser.parse(RAW_TITLE) is None
@@ -127,7 +121,7 @@ class TestOpenAIProvider:
         stub_resp = SimpleNamespace(
             choices=[SimpleNamespace(message=SimpleNamespace(parsed=None))]
         )
-        parser._openai_client.beta.chat.completions.parse = AsyncMock(  # type: ignore[method-assign]
+        parser._openai_client.chat.completions.parse = AsyncMock(  # type: ignore[method-assign]
             return_value=stub_resp
         )
         assert await parser.parse(RAW_TITLE) is None
@@ -176,16 +170,16 @@ class TestAnthropicProvider:
         parser = self._make_parser()
         parser._anthropic_client.messages.create = AsyncMock(  # type: ignore[method-assign]
             side_effect=anthropic.APIConnectionError(
-                request=httpx.Request("POST", "https://api.anthropic.com")
+                request=httpx2.Request("POST", "https://api.anthropic.com")
             )
         )
         assert await parser.parse(RAW_TITLE) is None
 
     async def test_parse_rate_limit_returns_none(self):
         parser = self._make_parser()
-        response = httpx.Response(
+        response = httpx2.Response(
             status_code=429,
-            request=httpx.Request("POST", "https://api.anthropic.com"),
+            request=httpx2.Request("POST", "https://api.anthropic.com"),
         )
         parser._anthropic_client.messages.create = AsyncMock(  # type: ignore[method-assign]
             side_effect=anthropic.RateLimitError(
diff --git a/backend/src/test/test_llm_plugin_installer.py b/backend/src/test/test_llm_plugin_installer.py
index e03a5c1f..e86ef87c 100644
--- a/backend/src/test/test_llm_plugin_installer.py
+++ b/backend/src/test/test_llm_plugin_installer.py
@@ -1,6 +1,6 @@
 """LLM 插件安装管线：签名下载 → 校验 → 解包 → 加载 → 解析（克隆 updater 模式）。
 
-用测试 ed25519 密钥对 + 内存构造的假插件 zip + httpx.MockTransport + tmp_path，
+用测试 ed25519 密钥对 + 内存构造的假插件 zip + httpx2.MockTransport + tmp_path，
 覆盖安全路径：sha 不符、无签名、坏签名、zip-slip、版本不兼容、id 不匹配全部拒绝。
 """
 
@@ -10,7 +10,7 @@ import io
 import json
 import zipfile
 
-import httpx
+import httpx2
 import pytest
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
 from cryptography.hazmat.primitives.serialization import (
@@ -108,21 +108,21 @@ def _installer(tmp_path, keypair, zip_bytes, *, catalog=None, tamper_sig=False):
     if tamper_sig:
         sig = base64.b64encode(b"\x00" * 64).decode()
 
-    def handler(request: httpx.Request) -> httpx.Response:
+    def handler(request: httpx2.Request) -> httpx2.Response:
         url = str(request.url)
         if url.endswith("catalog.json"):
-            return httpx.Response(200, content=catalog_bytes)
+            return httpx2.Response(200, content=catalog_bytes)
         if url.endswith("catalog.json.sig"):
-            return httpx.Response(200, text=_sign(priv, catalog_bytes))
+            return httpx2.Response(200, text=_sign(priv, catalog_bytes))
         if url.endswith(".zip"):
-            return httpx.Response(200, content=zip_bytes)
+            return httpx2.Response(200, content=zip_bytes)
         if url.endswith(".zip.sig"):
-            return httpx.Response(200, text=sig)
+            return httpx2.Response(200, text=sig)
         if url.endswith(".zip.sha256"):
-            return httpx.Response(200, text=hashlib.sha256(zip_bytes).hexdigest())
-        return httpx.Response(404)
+            return httpx2.Response(200, text=hashlib.sha256(zip_bytes).hexdigest())
+        return httpx2.Response(404)
 
-    client = httpx.AsyncClient(transport=httpx.MockTransport(handler))
+    client = httpx2.AsyncClient(transport=httpx2.MockTransport(handler))
     return PluginInstaller(
         root=tmp_path / "plugins",
         pubkey_path=pubkey_path,
diff --git a/backend/src/test/test_llm_plugins_grey.py b/backend/src/test/test_llm_plugins_grey.py
index 23a2412c..7de65271 100644
--- a/backend/src/test/test_llm_plugins_grey.py
+++ b/backend/src/test/test_llm_plugins_grey.py
@@ -12,7 +12,7 @@ import zipfile
 from pathlib import Path
 from unittest.mock import AsyncMock
 
-import httpx
+import httpx2
 import pytest
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
 from cryptography.hazmat.primitives.serialization import Encoding, PublicFormat
@@ -66,20 +66,20 @@ async def _install(tmp_path, keypair, plugin_id):
     def handler(request):
         url = str(request.url)
         if url.endswith("catalog.json"):
-            return httpx.Response(200, content=catalog_bytes)
+            return httpx2.Response(200, content=catalog_bytes)
         if url.endswith("catalog.json.sig"):
-            return httpx.Response(
+            return httpx2.Response(
                 200, text=base64.b64encode(priv.sign(catalog_bytes)).decode()
             )
         if url.endswith(".zip"):
-            return httpx.Response(200, content=zip_bytes)
+            return httpx2.Response(200, content=zip_bytes)
         if url.endswith(".zip.sig"):
-            return httpx.Response(
+            return httpx2.Response(
                 200, text=base64.b64encode(priv.sign(zip_bytes)).decode()
             )
-        return httpx.Response(404)
+        return httpx2.Response(404)
 
-    client = httpx.AsyncClient(transport=httpx.MockTransport(handler))
+    client = httpx2.AsyncClient(transport=httpx2.MockTransport(handler))
     installer = PluginInstaller(
         root=tmp_path / "plugins",
         pubkey_path=pubkey_path,
@@ -95,7 +95,7 @@ def _ctx(handler, credentials=None, model=""):
     """构造注入 MockTransport-http-client 的 AdapterContext。"""
 
     def build_client(_timeout):
-        return httpx.AsyncClient(transport=httpx.MockTransport(handler))
+        return httpx2.AsyncClient(transport=httpx2.MockTransport(handler))
 
     return AdapterContext(
         model=model,
@@ -127,7 +127,7 @@ class TestGithubCopilot:
 
         def handler(request):
             assert "login/device/code" in str(request.url)
-            return httpx.Response(
+            return httpx2.Response(
                 200,
                 json={
                     "device_code": "DC-secret",
@@ -155,7 +155,7 @@ class TestGithubCopilot:
         cls = registry.resolve("github-copilot")
 
         def handler(request):
-            return httpx.Response(200, json={"error": "authorization_pending"})
+            return httpx2.Response(200, json={"error": "authorization_pending"})
 
         adapter = cls(_ctx(handler))
         with pytest.raises(AuthExpiredError):
@@ -189,13 +189,13 @@ class TestGithubCopilot:
             if "copilot_internal/v2/token" in url:
                 seen["copilot_token_fetched"] = True
                 assert request.headers["authorization"].startswith("token ghu_")
-                return httpx.Response(
+                return httpx2.Response(
                     200, json={"token": "cop_tok", "expires_at": 9e18}
                 )
             if "chat/completions" in url:
                 seen["editor_header"] = "editor-version" in request.headers
                 assert request.headers["authorization"] == "Bearer cop_tok"
-                return httpx.Response(
+                return httpx2.Response(
                     200,
                     json={
                         "choices": [
@@ -209,7 +209,7 @@ class TestGithubCopilot:
                         ]
                     },
                 )
-            return httpx.Response(404)
+            return httpx2.Response(404)
 
         creds = AsyncMock()
         creds.load = AsyncMock(return_value=TokenSet(access_token="ghu_abc"))
@@ -228,7 +228,7 @@ class TestGithubCopilot:
         cls = registry.resolve("github-copilot")
         creds = AsyncMock()
         creds.load = AsyncMock(return_value=None)
-        adapter = cls(_ctx(lambda r: httpx.Response(404), credentials=creds))
+        adapter = cls(_ctx(lambda r: httpx2.Response(404), credentials=creds))
         with pytest.raises(AuthExpiredError):
             await adapter.parse("raw")
         await adapter.aclose()
@@ -267,7 +267,7 @@ class TestCodexChatgpt:
         fake_jwt = f"{header}.{claims}.sig"
 
         def handler(request):
-            return httpx.Response(
+            return httpx2.Response(
                 200,
                 json={
                     "access_token": fake_jwt,
@@ -308,7 +308,7 @@ class TestCodexChatgpt:
         def handler(request):
             seen["originator"] = request.headers.get("originator")
             seen["account"] = request.headers.get("chatgpt-account-id")
-            return httpx.Response(
+            return httpx2.Response(
                 200,
                 json={"output": [{"content": [{"text": json.dumps(episode)}]}]},
             )
@@ -338,10 +338,10 @@ class TestCodexChatgpt:
         def handler(request):
             url = str(request.url)
             if url.endswith("oauth/token"):
-                return httpx.Response(
+                return httpx2.Response(
                     200, json={"access_token": "new-at", "expires_in": 3600}
                 )
-            return httpx.Response(
+            return httpx2.Response(
                 200,
                 json={
                     "output": [
diff --git a/backend/src/test/test_llm_providers_presets.py b/backend/src/test/test_llm_providers_presets.py
index 3396af19..f328bb57 100644
--- a/backend/src/test/test_llm_providers_presets.py
+++ b/backend/src/test/test_llm_providers_presets.py
@@ -107,7 +107,7 @@ class TestJsonObjectFallback:
                 ]
             )
         )
-        parser._openai_client.beta.chat.completions.parse = mock_parse
+        parser._openai_client.chat.completions.parse = mock_parse
 
         assert await parser.parse("raw") == EPISODE_DICT
         mock_parse.assert_awaited_once()
diff --git a/backend/src/test/test_media_server_refresh.py b/backend/src/test/test_media_server_refresh.py
index 8f800e8a..970cfd55 100644
--- a/backend/src/test/test_media_server_refresh.py
+++ b/backend/src/test/test_media_server_refresh.py
@@ -4,7 +4,7 @@ import asyncio
 import logging
 from types import SimpleNamespace
 
-import httpx
+import httpx2
 import pytest
 
 from ab_sdk.events import OrganizedFile, TorrentOrganized
@@ -33,14 +33,14 @@ def make_plugin(options, handler=None):
     plugin, _ = create_plugin(
         load_candidate().load(), options, plugin_id="media-server-refresh"
     )
-    requests: list[httpx.Request] = []
+    requests: list[httpx2.Request] = []
 
-    def record(request: httpx.Request) -> httpx.Response:
+    def record(request: httpx2.Request) -> httpx2.Response:
         requests.append(request)
-        return handler(request) if handler else httpx.Response(204)
+        return handler(request) if handler else httpx2.Response(204)
 
-    plugin.client_factory = lambda: httpx.AsyncClient(
-        transport=httpx.MockTransport(record)
+    plugin.client_factory = lambda: httpx2.AsyncClient(
+        transport=httpx2.MockTransport(record)
     )
     return plugin, requests
 
@@ -107,7 +107,7 @@ async def test_on_organized_burst_coalesces_into_one_refresh(
 
 async def test_refresh_http_error_returns_false():
     plugin, requests = make_plugin(
-        {"url": "http://srv", "api_key": "k"}, handler=lambda r: httpx.Response(401)
+        {"url": "http://srv", "api_key": "k"}, handler=lambda r: httpx2.Response(401)
     )
     assert await plugin.refresh() is False
     assert len(requests) == 1
@@ -115,7 +115,7 @@ async def test_refresh_http_error_returns_false():
 
 async def test_on_organized_connection_error_logged_without_secret(caplog):
     def explode(request):
-        raise httpx.ConnectError("refused")
+        raise httpx2.ConnectError("refused")
 
     plugin, _ = make_plugin(
         {"url": "http://srv", "api_key": "s3cr3t-key", "delay": 0}, handler=explode
@@ -140,17 +140,17 @@ async def test_teardown_pending_refresh_cancelled():
 
 async def test_on_organized_during_refresh_request_refreshes_again():
     plugin, _ = make_plugin({"url": "http://srv", "api_key": "k", "delay": 0})
-    requests: list[httpx.Request] = []
+    requests: list[httpx2.Request] = []
 
-    async def handler(request: httpx.Request) -> httpx.Response:
+    async def handler(request: httpx2.Request) -> httpx2.Response:
         requests.append(request)
         if len(requests) == 1:
             # 刷新请求已发出、尚未返回时又有种子整理完成
             await plugin.on_organized(organized(2))
-        return httpx.Response(204)
+        return httpx2.Response(204)
 
-    plugin.client_factory = lambda: httpx.AsyncClient(
-        transport=httpx.MockTransport(handler)
+    plugin.client_factory = lambda: httpx2.AsyncClient(
+        transport=httpx2.MockTransport(handler)
     )
     await plugin.on_organized(organized(1))
     assert plugin._pending is not None
diff --git a/backend/src/test/test_plugin_catalog.py b/backend/src/test/test_plugin_catalog.py
index 9f691b41..0c9a920f 100644
--- a/backend/src/test/test_plugin_catalog.py
+++ b/backend/src/test/test_plugin_catalog.py
@@ -10,7 +10,7 @@ from pathlib import Path
 from types import SimpleNamespace
 from unittest.mock import AsyncMock, MagicMock
 
-import httpx
+import httpx2
 import pytest
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
 from cryptography.hazmat.primitives.serialization import (
@@ -88,21 +88,21 @@ def make_installer(tmp_path, keypair, zip_bytes, *, entry=None, tamper_sig=False
     zip_sig = base64.b64encode(b"\x00" * 64).decode() if tamper_sig else sign(zip_bytes)
     requested: list[str] = []
 
-    def handler(request: httpx.Request) -> httpx.Response:
+    def handler(request: httpx2.Request) -> httpx2.Response:
         url = str(request.url)
         requested.append(url)
         assert "/releases/download/plugins/" in url
         if url.endswith("catalog.json"):
-            return httpx.Response(200, content=catalog_bytes)
+            return httpx2.Response(200, content=catalog_bytes)
         if url.endswith("catalog.json.sig"):
-            return httpx.Response(200, text=sign(catalog_bytes))
+            return httpx2.Response(200, text=sign(catalog_bytes))
         if url.endswith(".zip"):
-            return httpx.Response(200, content=zip_bytes)
+            return httpx2.Response(200, content=zip_bytes)
         if url.endswith(".zip.sig"):
-            return httpx.Response(200, text=zip_sig)
-        return httpx.Response(404)
+            return httpx2.Response(200, text=zip_sig)
+        return httpx2.Response(404)
 
-    client = httpx.AsyncClient(transport=httpx.MockTransport(handler))
+    client = httpx2.AsyncClient(transport=httpx2.MockTransport(handler))
     return PluginInstaller(
         root=tmp_path / "plugins",
         pubkey_path=pubkey_path,
@@ -192,7 +192,7 @@ class TestInstall:
     ):
         def sdk_too_new(plugin_dir: Path) -> None:
             manifest = plugin_dir / "plugin.toml"
-            manifest.write_text(manifest.read_text().replace(">=0.5", ">=9"))
+            manifest.write_text(manifest.read_text().replace(">=0.6", ">=9"))
 
         def with_native(plugin_dir: Path) -> None:
             (plugin_dir / "fast.so").write_bytes(b"\x7fELF")
@@ -300,14 +300,14 @@ class TestReleaseScript:
 
         released = tmp_path / "release"
 
-        def handler(request: httpx.Request) -> httpx.Response:
+        def handler(request: httpx2.Request) -> httpx2.Response:
             name = request.url.path.rsplit("/", 1)[-1]
-            return httpx.Response(200, content=(released / name).read_bytes())
+            return httpx2.Response(200, content=(released / name).read_bytes())
 
         installer = PluginInstaller(
             root=tmp_path / "plugins",
             pubkey_path=pubkey_path,
-            client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
+            client=httpx2.AsyncClient(transport=httpx2.MockTransport(handler)),
             app_version=app_version,
         )
         [entry] = await installer.fetch_catalog()
@@ -409,7 +409,7 @@ class TestPluginsApi:
         monkeypatch.setattr(
             plugins_api.PluginInstaller,
             "fetch_catalog",
-            AsyncMock(side_effect=httpx.ConnectError("down")),
+            AsyncMock(side_effect=httpx2.ConnectError("down")),
         )
 
         assert authed_client.get("/api/v1/plugins/catalog").status_code == 502
diff --git a/backend/src/test/test_plugin_cli.py b/backend/src/test/test_plugin_cli.py
index 46c13c60..349a7c01 100644
--- a/backend/src/test/test_plugin_cli.py
+++ b/backend/src/test/test_plugin_cli.py
@@ -44,7 +44,7 @@ def _break(plugin_dir: Path, problem: str) -> None:
     manifest = plugin_dir / "plugin.toml"
     if problem == "sdk":
         manifest.write_text(
-            manifest.read_text().replace('sdk = ">=0.5,<1"', 'sdk = ">=9"')
+            manifest.read_text().replace('sdk = ">=0.6,<1"', 'sdk = ">=9"')
         )
     elif problem == "entry":
         (plugin_dir / "my_plugin" / "__init__.py").unlink()
diff --git a/backend/src/test/test_plugin_web.py b/backend/src/test/test_plugin_web.py
index e5755b31..d1cdda51 100644
--- a/backend/src/test/test_plugin_web.py
+++ b/backend/src/test/test_plugin_web.py
@@ -136,7 +136,7 @@ class TestApi:
     @pytest.mark.parametrize(
         "url",
         [
-            # httpx 会把字面的 ../ 规范化掉，用百分号编码让它原样到达路由
+            # httpx2 会把字面的 ../ 规范化掉，用百分号编码让它原样到达路由
             "/api/v1/plugins/demo/web/%2e%2e%2fplugin.toml",
             # 绝对路径会让 root / path 直接变成该路径
             "/api/v1/plugins/demo/web//etc/hosts",
diff --git a/backend/src/test/test_qb_downloader.py b/backend/src/test/test_qb_downloader.py
index b78e7cf0..98283944 100644
--- a/backend/src/test/test_qb_downloader.py
+++ b/backend/src/test/test_qb_downloader.py
@@ -9,7 +9,7 @@ import json
 import logging
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import httpx
+import httpx2
 import pytest
 
 from module.downloader import AddResult, RenameOutcome
@@ -120,7 +120,7 @@ def test_scheme_selection_matrix(host: str, ssl: bool, expected_prefix: str):
 
 
 class TestAuthClientCreation:
-    """auth() must create the httpx.AsyncClient with verify=False unconditionally."""
+    """auth() must create the httpx2.AsyncClient with verify=False unconditionally."""
 
     async def test_auth_creates_client_with_verify_false_when_ssl_true(self):
         """verify=False is used even when ssl=True (self-signed certs are common)."""
@@ -144,7 +144,7 @@ class TestAuthClientCreation:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient", _FakeClient
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient", _FakeClient
         ):
             result = await qb.auth()
 
@@ -174,7 +174,7 @@ class TestAuthClientCreation:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient", _FakeClient
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient", _FakeClient
         ):
             result = await qb.auth()
 
@@ -185,7 +185,7 @@ class TestAuthClientCreation:
         """auth() sets connect timeout to 5.0 seconds."""
         qb = QbDownloader(host="localhost:8080", username="u", password="p", ssl=False)
 
-        captured_timeouts: list[httpx.Timeout | None] = []
+        captured_timeouts: list[httpx2.Timeout | None] = []
 
         class _FakeClient:
             def __init__(self, **kwargs):
@@ -201,7 +201,7 @@ class TestAuthClientCreation:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient", _FakeClient
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient", _FakeClient
         ):
             await qb.auth()
 
@@ -232,7 +232,7 @@ class TestAuthClientCreation:
                 pass
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient", _FakeClient
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient", _FakeClient
         ):
             await qb.auth()
 
@@ -264,7 +264,7 @@ class TestAuthSuccessFailure:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth()
@@ -284,7 +284,7 @@ class TestAuthSuccessFailure:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth(retry=3)
@@ -306,7 +306,7 @@ class TestAuthSuccessFailure:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -336,11 +336,11 @@ class TestAuthConnectErrorLogging:
 
         mock_client = AsyncMock()
         mock_client.post = AsyncMock(
-            side_effect=httpx.ConnectError("Connection refused")
+            side_effect=httpx2.ConnectError("Connection refused")
         )
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -370,10 +370,10 @@ class TestAuthConnectErrorLogging:
         assert qb.host.startswith("https://")
 
         mock_client = AsyncMock()
-        mock_client.post = AsyncMock(side_effect=httpx.ConnectError("refused"))
+        mock_client.post = AsyncMock(side_effect=httpx2.ConnectError("refused"))
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -398,11 +398,11 @@ class TestAuthConnectErrorLogging:
 
         mock_client = AsyncMock()
         mock_client.post = AsyncMock(
-            side_effect=httpx.ConnectError("Connection refused")
+            side_effect=httpx2.ConnectError("Connection refused")
         )
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -432,10 +432,10 @@ class TestAuthConnectErrorLogging:
         assert qb.host.startswith("http://")
 
         mock_client = AsyncMock()
-        mock_client.post = AsyncMock(side_effect=httpx.ConnectError("refused"))
+        mock_client.post = AsyncMock(side_effect=httpx2.ConnectError("refused"))
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -458,10 +458,10 @@ class TestAuthConnectErrorLogging:
         )
 
         mock_client = AsyncMock()
-        mock_client.post = AsyncMock(side_effect=httpx.ConnectError("refused"))
+        mock_client.post = AsyncMock(side_effect=httpx2.ConnectError("refused"))
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -485,10 +485,10 @@ class TestAuthConnectErrorLogging:
         assert qb.host.startswith("http://")
 
         mock_client = AsyncMock()
-        mock_client.post = AsyncMock(side_effect=httpx.ConnectError("refused"))
+        mock_client.post = AsyncMock(side_effect=httpx2.ConnectError("refused"))
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             with patch(
@@ -554,7 +554,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth()
@@ -575,7 +575,7 @@ class TestAuthQb52Compat:
 
         with (
             patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 return_value=mock_client,
             ),
             patch(
@@ -600,7 +600,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             await qb.auth(retry=3)
@@ -619,7 +619,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             await qb.auth(retry=3)
@@ -632,11 +632,11 @@ class TestAuthQb52Compat:
         )
 
         mock_client = AsyncMock()
-        mock_client.post = AsyncMock(side_effect=httpx.ConnectError("boom"))
+        mock_client.post = AsyncMock(side_effect=httpx2.ConnectError("boom"))
 
         with (
             patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 return_value=mock_client,
             ),
             patch(
@@ -661,7 +661,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth()
@@ -684,7 +684,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth(retry=3)
@@ -706,7 +706,7 @@ class TestAuthQb52Compat:
         mock_client.post = AsyncMock(return_value=mock_resp)
 
         with patch(
-            "module.downloader.client.qb_downloader.httpx.AsyncClient",
+            "module.downloader.client.qb_downloader.httpx2.AsyncClient",
             return_value=mock_client,
         ):
             result = await qb.auth(retry=3)
@@ -729,7 +729,7 @@ class TestAuthQb52Compat:
 
         with (
             patch(
-                "module.downloader.client.qb_downloader.httpx.AsyncClient",
+                "module.downloader.client.qb_downloader.httpx2.AsyncClient",
                 return_value=mock_client,
             ),
             patch(
@@ -1314,6 +1314,6 @@ class TestRenameVerifyContract:
 
     async def test_network_error_is_retryable(self):
         qb = self._make_qb([])
-        qb._post = AsyncMock(side_effect=httpx.ConnectError("down"))
+        qb._post = AsyncMock(side_effect=httpx2.ConnectError("down"))
         result = await qb.torrents_rename_file("h", "old.mkv", "new.mkv")
         assert result.outcome is RenameOutcome.RETRYABLE_FAILURE
diff --git a/backend/src/test/test_request_url.py b/backend/src/test/test_request_url.py
index cffc1df0..af3dcab1 100644
--- a/backend/src/test/test_request_url.py
+++ b/backend/src/test/test_request_url.py
@@ -3,7 +3,7 @@
 import asyncio
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import httpx
+import httpx2
 import pytest
 
 from module.network.request_url import (
@@ -44,7 +44,7 @@ class TestSharedClientLimits:
 
     async def test_client_follows_redirects(self):
         """Regression for #983: mikanime mirror returns 302 to the canonical
-        URL but httpx refuses to follow by default, so the RSS fetch fails."""
+        URL but httpx2 refuses to follow by default, so the RSS fetch fails."""
         client = await get_shared_client()
         assert client.follow_redirects is True
 
@@ -83,7 +83,7 @@ class TestRetryWithReset:
         """get_url should retry a ConnectTimeout on the same shared client,
         without closing/resetting it -- other concurrent callers may still
         have in-flight requests on that connection pool."""
-        import httpx
+        import httpx2
 
         call_count = 0
 
@@ -91,7 +91,7 @@ class TestRetryWithReset:
             nonlocal call_count
             call_count += 1
             if call_count == 1:
-                raise httpx.ConnectTimeout("Connection timed out")
+                raise httpx2.ConnectTimeout("Connection timed out")
             resp = MagicMock()
             resp.status_code = 200
             resp.raise_for_status = MagicMock()
@@ -122,12 +122,12 @@ class TestPoolTimeoutRecovery:
     共享连接池被占满后永久 PoolTimeout。遇到 PoolTimeout 时应换新 client。"""
 
     async def _get_with_poisoned_pool(self):
-        import httpx
+        import httpx2
 
         import module.network.request_url as mod
 
         old, new = AsyncMock(), AsyncMock()
-        old.get.side_effect = httpx.PoolTimeout("pool full")
+        old.get.side_effect = httpx2.PoolTimeout("pool full")
         resp = MagicMock(status_code=200, raise_for_status=MagicMock())
         new.get.return_value = resp
         mod._shared_client = old
@@ -135,7 +135,7 @@ class TestPoolTimeoutRecovery:
         try:
             with (
                 patch("module.network.request_url.asyncio.sleep", new=AsyncMock()),
-                patch("module.network.request_url.httpx.AsyncClient", return_value=new),
+                patch("module.network.request_url.httpx2.AsyncClient", return_value=new),
             ):
                 async with RequestURL() as req:
                     result = await req.get_url("https://example.com/x", retry=2)
@@ -194,11 +194,11 @@ class TestRateLimit429:
     URL = "https://nyaa.si/download/1.torrent"
 
     @staticmethod
-    def _resp_429(headers: dict | None = None) -> httpx.Response:
-        return httpx.Response(
+    def _resp_429(headers: dict | None = None) -> httpx2.Response:
+        return httpx2.Response(
             429,
             headers=headers or {},
-            request=httpx.Request("GET", TestRateLimit429.URL),
+            request=httpx2.Request("GET", TestRateLimit429.URL),
         )
 
     @staticmethod
@@ -277,7 +277,7 @@ class TestRateLimit429:
         assert calls == 2
 
     async def test_get_url_non_429_status_does_not_retry(self):
-        resp_404 = httpx.Response(404, request=httpx.Request("GET", self.URL))
+        resp_404 = httpx2.Response(404, request=httpx2.Request("GET", self.URL))
         result, calls, mock_sleep = await self._run([resp_404])
         assert result is None
         assert calls == 1
diff --git a/backend/src/test/test_setup.py b/backend/src/test/test_setup.py
index 96344df4..34063495 100644
--- a/backend/src/test/test_setup.py
+++ b/backend/src/test/test_setup.py
@@ -158,11 +158,11 @@ class TestSetupGuard:
 class TestTestDownloader:
     def test_private_ip_accepted(self, client, mock_first_run):
         """Issue #1001: Private IPs must not be rejected for downloader test."""
-        import httpx
+        import httpx2
 
-        with patch("module.api.setup.httpx.AsyncClient") as mock_client_cls:
+        with patch("module.api.setup.httpx2.AsyncClient") as mock_client_cls:
             mock_instance = AsyncMock()
-            mock_instance.get.side_effect = httpx.ConnectError("refused")
+            mock_instance.get.side_effect = httpx2.ConnectError("refused")
             mock_client_cls.return_value.__aenter__ = AsyncMock(
                 return_value=mock_instance
             )
@@ -186,11 +186,11 @@ class TestTestDownloader:
 
     def test_loopback_ip_accepted(self, client, mock_first_run):
         """Issue #1001: Loopback IPs must not be rejected for downloader test."""
-        import httpx
+        import httpx2
 
-        with patch("module.api.setup.httpx.AsyncClient") as mock_client_cls:
+        with patch("module.api.setup.httpx2.AsyncClient") as mock_client_cls:
             mock_instance = AsyncMock()
-            mock_instance.get.side_effect = httpx.ConnectError("refused")
+            mock_instance.get.side_effect = httpx2.ConnectError("refused")
             mock_client_cls.return_value.__aenter__ = AsyncMock(
                 return_value=mock_instance
             )
@@ -211,11 +211,11 @@ class TestTestDownloader:
             assert data["success"] is False
 
     def test_connection_timeout(self, client, mock_first_run):
-        import httpx
+        import httpx2
 
-        with patch("module.api.setup.httpx.AsyncClient") as mock_client_cls:
+        with patch("module.api.setup.httpx2.AsyncClient") as mock_client_cls:
             mock_instance = AsyncMock()
-            mock_instance.get.side_effect = httpx.TimeoutException("timeout")
+            mock_instance.get.side_effect = httpx2.TimeoutException("timeout")
             mock_client_cls.return_value.__aenter__ = AsyncMock(
                 return_value=mock_instance
             )
@@ -236,11 +236,11 @@ class TestTestDownloader:
             assert data["success"] is False
 
     def test_connection_refused(self, client, mock_first_run):
-        import httpx
+        import httpx2
 
-        with patch("module.api.setup.httpx.AsyncClient") as mock_client_cls:
+        with patch("module.api.setup.httpx2.AsyncClient") as mock_client_cls:
             mock_instance = AsyncMock()
-            mock_instance.get.side_effect = httpx.ConnectError("refused")
+            mock_instance.get.side_effect = httpx2.ConnectError("refused")
             mock_client_cls.return_value.__aenter__ = AsyncMock(
                 return_value=mock_instance
             )
@@ -327,7 +327,7 @@ class TestRequestValidation:
 
 class TestSetupComplete:
     """Issue: setup wizard must route config reload through AppContext, not
-    mutate settings.__dict__ directly (the shared httpx client, notifier, and
+    mutate settings.__dict__ directly (the shared httpx2 client, notifier, and
     scheduler must be rebuilt after first-run setup)."""
 
     @staticmethod
@@ -537,7 +537,7 @@ class TestTestDownloaderHardening:
         else:
             mock_instance.get.return_value = get_resp
         mock_instance.post.return_value = login_resp
-        cls_patch = patch("module.api.setup.httpx.AsyncClient")
+        cls_patch = patch("module.api.setup.httpx2.AsyncClient")
         mock_cls = cls_patch.start()
         mock_cls.return_value.__aenter__ = AsyncMock(return_value=mock_instance)
         mock_cls.return_value.__aexit__ = AsyncMock(return_value=False)
diff --git a/backend/src/test/test_update.py b/backend/src/test/test_update.py
index 780874ce..2ba78642 100644
--- a/backend/src/test/test_update.py
+++ b/backend/src/test/test_update.py
@@ -1,7 +1,7 @@
 """在线自动更新测试：check / apply / rollback、boot_overlay 覆盖层、以及三个
 端点的 path+verb+鉴权契约。
 
-网络与文件系统全部 mock：GitHub Release API 与下载走 httpx.MockTransport，
+网络与文件系统全部 mock：GitHub Release API 与下载走 httpx2.MockTransport，
 覆盖层落地走 tmp_path，进程退出被打桩以确保测试不会真的退出。
 """
 
@@ -15,7 +15,7 @@ import zipfile
 from pathlib import Path
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import httpx
+import httpx2
 import pytest
 from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric.ed25519 import Ed25519PrivateKey
@@ -123,8 +123,8 @@ def _releases_payload(bundle_bytes: bytes, sha_text: str) -> list[dict]:
     ]
 
 
-def _make_client(handler) -> httpx.AsyncClient:
-    return httpx.AsyncClient(transport=httpx.MockTransport(handler))
+def _make_client(handler) -> httpx2.AsyncClient:
+    return httpx2.AsyncClient(transport=httpx2.MockTransport(handler))
 
 
 def _seed_schema_db(path: Path, version: int) -> None:
@@ -153,21 +153,21 @@ def _default_handler(bundle_bytes: bytes, sha_hex: str, sig_b64: str | None = No
     """路由 GitHub API 与下载 URL 到对应的响应。"""
     signature = sig_b64 if sig_b64 is not None else _sign_bytes(bundle_bytes)
 
-    def handler(request: httpx.Request) -> httpx.Response:
+    def handler(request: httpx2.Request) -> httpx2.Response:
         url = str(request.url)
         if "api.github.com" in url and "/releases" in url:
-            return httpx.Response(200, json=_releases_payload(bundle_bytes, sha_hex))
+            return httpx2.Response(200, json=_releases_payload(bundle_bytes, sha_hex))
         if url.endswith("bundle.zip"):
-            return httpx.Response(
+            return httpx2.Response(
                 200,
                 content=bundle_bytes,
                 headers={"content-length": str(len(bundle_bytes))},
             )
         if url.endswith("bundle.sha256"):
-            return httpx.Response(200, text=sha_hex + "\n")
+            return httpx2.Response(200, text=sha_hex + "\n")
         if url.endswith("bundle.sig"):
-            return httpx.Response(200, text=signature + "\n")
-        return httpx.Response(404)
+            return httpx2.Response(200, text=signature + "\n")
+        return httpx2.Response(404)
 
     return handler
 
@@ -253,7 +253,7 @@ class TestCheckUpdate:
     @pytest.mark.asyncio
     async def test_network_error_is_graceful(self, tmp_path):
         def handler(request):
-            raise httpx.ConnectError("boom")
+            raise httpx2.ConnectError("boom")
 
         up = Updater(
             root=tmp_path / "u",
diff --git a/backend/uv.lock b/backend/uv.lock
index a5318f67..3db93fbf 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -35,21 +35,21 @@ wheels = [
 
 [[package]]
 name = "anthropic"
-version = "0.116.0"
+version = "1.15.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
-    { name = "distro" },
     { name = "docstring-parser" },
-    { name = "httpx" },
+    { name = "httpx2" },
     { name = "jiter" },
+    { name = "opentelemetry-api" },
     { name = "pydantic" },
     { name = "sniffio" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/66/a2/d31f14e28d49bae983a3634e38dfb4b31c50110b5e403596c5c6a20b23f8/anthropic-0.116.0.tar.gz", hash = "sha256:5fc248fbb9fe03ef686f8a774f81586bca31a043260aab88b387ea3660f4a396", size = 949149, upload-time = "2026-07-02T19:08:10.534Z" }
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 ]
 
 [[package]]
@@ -906,21 +957,31 @@ wheels = [
 
 [[package]]
 name = "openai"
-version = "2.15.0"
+version = "3.35.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
-    { name = "distro" },
-    { name = "httpx" },
+    { name = "httpx2" },
     { name = "jiter" },
     { name = "pydantic" },
     { name = "sniffio" },
-    { name = "tqdm" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/94/f4/4690ecb5d70023ce6bfcfeabfe717020f654bde59a775058ec6ac4692463/openai-2.15.0.tar.gz", hash = "sha256:42eb8cbb407d84770633f31bf727d4ffb4138711c670565a41663d9439174fba", size = 627383, upload-time = "2026-01-09T22:10:08.603Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/87/4c/609b16f2a6e9a99f27a82ce93ff75868e7cb364fe6daff50cc0c1d620772/openai-3.35.1.tar.gz", hash = "sha256:b33e6561b90586e450def8a388e7d364755325da6884fc71348be5542e043bd0", size = 2250942, upload-time = "2026-10-18T01:06:38.964Z" }
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+]
+
+[[package]]
+name = "opentelemetry-api"
+version = "1.45.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
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 ]
 
-[[package]]
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-]
-
 [[package]]
 name = "pywin32"
 version = "311"
@@ -1426,15 +1478,12 @@ wheels = [
 ]
 
 [[package]]
-name = "tqdm"
-version = "4.67.1"
+name = "truststore"
+version = "0.10.5"
 source = { registry = "https://pypi.org/simple" }
-dependencies = [
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-]
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+    { url = "https://files.pythonhosted.org/packages/51/e9/3a7820be2bb0fe53b6bc9c3be26d3d1158004e4c3ab953aa6840b955b1e9/truststore-0.10.5-py3-none-any.whl", hash = "sha256:9aaaedaefaf06d8b206278cf8b5012bc897f485a874503501e12d776df78951c", size = 19017, upload-time = "2026-10-12T22:27:30.377Z" },
 ]
 
 [[package]]
diff --git a/docs/dev/plugins.md b/docs/dev/plugins.md
index be3ee638..6d870388 100644
--- a/docs/dev/plugins.md
+++ b/docs/dev/plugins.md
@@ -11,7 +11,7 @@
 1. 安装 SDK 与命令行。轮子随每个 4.0 beta / 正式版发布在 [GitHub Releases](https://github.com/EstrellaXD/Auto_Bangumi/releases) 的附件中（文件名 `autobangumi_sdk-<SDK 版本>-py3-none-any.whl`），不发布到 PyPI。详见 [获取 SDK](/dev/plugins/sdk)。
 
    ```bash
-   uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
+   uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
    ```
 
 2. 生成骨架并测试。骨架的 `pyproject.toml` 依赖 `autobangumi-sdk`，而 PyPI 上没有这个包，所以先用 `uv add` 让它指向下载的轮子：
@@ -19,7 +19,7 @@
    ```bash
    ab-plugin new my-rename --kind rename   # 也可选 notifier、search
    cd my-rename
-   uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl   # 换成轮子的实际路径
+   uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl   # 换成轮子的实际路径
    uv run pytest                                      # 骨架自带契约测试
    ```
 
diff --git a/docs/dev/plugins/cli.md b/docs/dev/plugins/cli.md
index 34471b27..ee299dae 100644
--- a/docs/dev/plugins/cli.md
+++ b/docs/dev/plugins/cli.md
@@ -3,8 +3,8 @@
 `ab-plugin` 随 `autobangumi-sdk` 轮子安装，只依赖 `ab_sdk`，不需要安装 AutoBangumi。
 
 ```bash
-uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
-# 或在项目里：uv add ./autobangumi_sdk-0.5.0-py3-none-any.whl
+uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
+# 或在项目里：uv add ./autobangumi_sdk-0.6.0-py3-none-any.whl
 ```
 
 轮子在 4.0 beta / 正式版的 GitHub Release 附件中，不发布到 PyPI，见 [获取 SDK](/dev/plugins/sdk)。契约测试需要 pytest：`new` 生成的 `pyproject.toml` 已在 `dev` 依赖组里带上 pytest；自己建的项目用 `uv add --dev pytest`（或安装 `autobangumi-sdk[test]`）。
@@ -65,7 +65,7 @@ ab-plugin dev [path] [--config-dir config]
 ```bash
 ab-plugin new my-notify --kind notifier
 cd my-notify
-uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl   # 只需一次
+uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl   # 只需一次
 uv run pytest            # 契约测试
 ab-plugin dev . --config-dir /path/to/autobangumi/config   # 链接并开启热重载，重启 AB 一次
 # 改代码 → AB 自动重载 → 在 WebUI 里验证
diff --git a/docs/dev/plugins/points/llm-provider.md b/docs/dev/plugins/points/llm-provider.md
index e84ed417..e13c0dea 100644
--- a/docs/dev/plugins/points/llm-provider.md
+++ b/docs/dev/plugins/points/llm-provider.md
@@ -27,6 +27,7 @@ class MyPlugin(Plugin):
 ## 要点
 
 - `ProviderInfo` 驱动前端表单和提供商列表：`auth_kind` 为 `api_key`、`oauth` 或 `device_code`。
-- 适配器通过 `AdapterContext` 拿到模型名、密钥、`base_url`、超时和代理感知的 httpx 客户端工厂，不读全局配置。
+- 适配器通过 `AdapterContext` 拿到模型名、密钥、`base_url`、超时和代理感知的 httpx2 客户端工厂，不读全局配置。
+- 工厂返回 `httpx2.AsyncClient`（SDK 0.6 起，此前为 `httpx`）；捕获网络异常时用 `httpx2.HTTPError` 等，`httpx` 的异常类捕获不到它抛出的错误。
 - 订阅类提供商（`oauth` / `device_code`）实现认证流程钩子（`AuthChallenge`、`TokenSet`）。凭据失效且刷新失败时抛出 `AuthExpiredError`，AB 会熔断该提供商并发 `llm_auth_failure` 事件。
 - 现有的 `plugin.json` 格式 LLM 插件（`llm-plugins` 发布）继续可用；新插件使用 `plugin.toml` 与本扩展点。
diff --git a/docs/dev/plugins/sdk.md b/docs/dev/plugins/sdk.md
index b5743896..b519a47f 100644
--- a/docs/dev/plugins/sdk.md
+++ b/docs/dev/plugins/sdk.md
@@ -7,16 +7,16 @@
 | `autobangumi_sdk-<SDK 版本>-py3-none-any.whl` | `ab_sdk` 包与 `ab-plugin` 命令行 |
 | `autobangumi-plugin-skill-<AB 版本>.zip` | 给 AI 编码助手使用的插件开发 skill |
 
-轮子文件名里是 SDK 版本（`ab_sdk.SDK_VERSION`，如 `0.5.0`），不是 AB 的版本号。请从目标 AB 版本的 Release 下载轮子，两者的 SDK 版本一致。插件清单里的 `sdk` 范围（如 `">=0.5,<1"`）必须包含这个版本。
+轮子文件名里是 SDK 版本（`ab_sdk.SDK_VERSION`，如 `0.6.0`），不是 AB 的版本号。请从目标 AB 版本的 Release 下载轮子，两者的 SDK 版本一致。插件清单里的 `sdk` 范围（如 `">=0.5,<1"`）必须包含这个版本。
 
 ## 安装轮子
 
-轮子要求 Python 3.13 或更高，依赖 `pydantic`、`httpx` 与 `packaging`，不需要安装 AutoBangumi。
+轮子要求 Python 3.13 或更高，依赖 `pydantic`、`httpx2` 与 `packaging`，不需要安装 AutoBangumi。
 
 只用命令行时，装成全局工具：
 
 ```bash
-uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
+uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
 ab-plugin --help
 ```
 
@@ -24,7 +24,7 @@ ab-plugin --help
 
 ```bash
 cd my-plugin
-uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl
+uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl
 uv run pytest
 ```
 
diff --git a/docs/en/dev/plugins.md b/docs/en/dev/plugins.md
index 4e973709..b51d13a1 100644
--- a/docs/en/dev/plugins.md
+++ b/docs/en/dev/plugins.md
@@ -11,7 +11,7 @@ A plugin is a Python package, with optional frontend components. It runs inside
 1. Install the SDK and the command line. The wheel is an attachment of each 4.0 beta and stable release on [GitHub Releases](https://github.com/EstrellaXD/Auto_Bangumi/releases). The file name is `autobangumi_sdk-<SDK version>-py3-none-any.whl`. The wheel is not on PyPI. Refer to [Get the SDK](/en/dev/plugins/sdk).
 
    ```bash
-   uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
+   uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
    ```
 
 2. Create a skeleton and run its tests. The `pyproject.toml` of the skeleton needs `autobangumi-sdk`. This package is not on PyPI. Thus, first use `uv add` to point the dependency to the wheel that you downloaded:
@@ -19,7 +19,7 @@ A plugin is a Python package, with optional frontend components. It runs inside
    ```bash
    ab-plugin new my-rename --kind rename   # or notifier, search
    cd my-rename
-   uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl   # use the real path of the wheel
+   uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl   # use the real path of the wheel
    uv run pytest                                      # the skeleton includes a contract test
    ```
 
diff --git a/docs/en/dev/plugins/cli.md b/docs/en/dev/plugins/cli.md
index 65451080..7aa80128 100644
--- a/docs/en/dev/plugins/cli.md
+++ b/docs/en/dev/plugins/cli.md
@@ -3,8 +3,8 @@
 `ab-plugin` is installed with the `autobangumi-sdk` wheel. It depends only on `ab_sdk`. You do not need to install AutoBangumi.
 
 ```bash
-uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
-# or in a project: uv add ./autobangumi_sdk-0.5.0-py3-none-any.whl
+uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
+# or in a project: uv add ./autobangumi_sdk-0.6.0-py3-none-any.whl
 ```
 
 The wheel is an attachment of the 4.0 beta and stable GitHub releases. It is not on PyPI. Refer to [Get the SDK](/en/dev/plugins/sdk). The contract tests need pytest. The `pyproject.toml` that `new` creates already has pytest in its `dev` dependency group. For a project that you make yourself, use `uv add --dev pytest` (or install `autobangumi-sdk[test]`).
@@ -65,7 +65,7 @@ ab-plugin dev [path] [--config-dir config]
 ```bash
 ab-plugin new my-notify --kind notifier
 cd my-notify
-uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl   # one time only
+uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl   # one time only
 uv run pytest            # contract tests
 ab-plugin dev . --config-dir /path/to/autobangumi/config   # link and enable hot reload; restart AB one time
 # change code -> AB reloads -> check in the WebUI
diff --git a/docs/en/dev/plugins/points/llm-provider.md b/docs/en/dev/plugins/points/llm-provider.md
index 2055e81e..cfc11d57 100644
--- a/docs/en/dev/plugins/points/llm-provider.md
+++ b/docs/en/dev/plugins/points/llm-provider.md
@@ -27,6 +27,7 @@ class MyPlugin(Plugin):
 ## Notes
 
 - `ProviderInfo` drives the frontend form and the provider list. `auth_kind` is `api_key`, `oauth` or `device_code`.
-- An adapter gets the model name, key, `base_url`, timeout and a proxy-aware httpx client factory through `AdapterContext`. It does not read the global configuration.
+- An adapter gets the model name, key, `base_url`, timeout and a proxy-aware httpx2 client factory through `AdapterContext`. It does not read the global configuration.
+- The factory returns an `httpx2.AsyncClient` (since SDK 0.6; before, it was `httpx`). To catch network errors, use `httpx2.HTTPError` and related classes. The `httpx` exception classes do not catch its errors.
 - A subscription-type provider (`oauth` / `device_code`) implements the auth flow hooks (`AuthChallenge`, `TokenSet`). When the credentials are no longer valid and the refresh fails, raise `AuthExpiredError`. AB then trips the breaker for this provider and sends an `llm_auth_failure` event.
 - Existing LLM plugins in the `plugin.json` format (released as `llm-plugins`) still work. New plugins use `plugin.toml` and this extension point.
diff --git a/docs/en/dev/plugins/sdk.md b/docs/en/dev/plugins/sdk.md
index 09900d13..d687724e 100644
--- a/docs/en/dev/plugins/sdk.md
+++ b/docs/en/dev/plugins/sdk.md
@@ -7,16 +7,16 @@ The plugin SDK is not on PyPI. Each 4.0 beta and stable [GitHub release](https:/
 | `autobangumi_sdk-<SDK version>-py3-none-any.whl` | The `ab_sdk` package and the `ab-plugin` command |
 | `autobangumi-plugin-skill-<AB version>.zip` | A plugin-development skill for AI coding assistants |
 
-The wheel file name contains the SDK version (`ab_sdk.SDK_VERSION`, for example `0.5.0`). It does not contain the AB version. Download the wheel from the release of your target AB version, so that the two SDK versions are the same. The `sdk` range in the plugin manifest (for example `">=0.5,<1"`) must include this version.
+The wheel file name contains the SDK version (`ab_sdk.SDK_VERSION`, for example `0.6.0`). It does not contain the AB version. Download the wheel from the release of your target AB version, so that the two SDK versions are the same. The `sdk` range in the plugin manifest (for example `">=0.5,<1"`) must include this version.
 
 ## Install the wheel
 
-The wheel needs Python 3.13 or later. It depends on `pydantic`, `httpx` and `packaging`. You do not need to install AutoBangumi.
+The wheel needs Python 3.13 or later. It depends on `pydantic`, `httpx2` and `packaging`. You do not need to install AutoBangumi.
 
 To use only the command line, install the wheel as a global tool:
 
 ```bash
-uv tool install ./autobangumi_sdk-0.5.0-py3-none-any.whl
+uv tool install ./autobangumi_sdk-0.6.0-py3-none-any.whl
 ab-plugin --help
 ```
 
@@ -24,7 +24,7 @@ To write a plugin and run its tests, add the wheel as a dependency of the plugin
 
 ```bash
 cd my-plugin
-uv add ../autobangumi_sdk-0.5.0-py3-none-any.whl
+uv add ../autobangumi_sdk-0.6.0-py3-none-any.whl
 uv run pytest
 ```