插件系统代码风格修复

src/plugin_runtime/host/capability_service.py

@@ -31,7 +31,7 @@ class CapabilityService:
     4. 执行实际操作并返回结果
     """
 
-    def __init__(self, policy_engine: PolicyEngine):
+    def __init__(self, policy_engine: PolicyEngine) -> None:
         self._policy = policy_engine
         # capability_name -> implementation
         self._implementations: Dict[str, CapabilityImpl] = {}

src/plugin_runtime/host/component_registry.py

@@ -11,10 +11,10 @@
 
 from typing import Any, Dict, List, Optional
 
-from src.common.logger import get_logger
-
 import re
 
+from src.common.logger import get_logger
+
 logger = get_logger("plugin_runtime.host.component_registry")
 
 
@@ -32,7 +32,7 @@ class RegisteredComponent:
         component_type: str,
         plugin_id: str,
         metadata: Dict[str, Any],
-    ):
+    ) -> None:
         self.name = name
         self.full_name = f"{plugin_id}.{name}"
         self.component_type = component_type
@@ -57,7 +57,7 @@ class ComponentRegistry:
     供业务层查询可用组件、匹配命令、调度 action/event 等。
     """
 
-    def __init__(self):
+    def __init__(self) -> None:
         # 全量索引
         self._components: Dict[str, RegisteredComponent] = {}  # full_name -> comp
 

src/plugin_runtime/host/policy_engine.py

@@ -22,7 +22,7 @@ class PolicyEngine:
     管理所有插件的能力令牌，提供授权校验。
     """
 
-    def __init__(self):
+    def __init__(self) -> None:
         self._tokens: Dict[str, CapabilityToken] = {}
 
     def register_plugin(

src/plugin_runtime/host/supervisor.py

@@ -7,11 +7,11 @@
 4. 优雅关停
 """
 
-import logging as stdlib_logging
 from typing import Any, Dict, List, Optional, Tuple
 
 import asyncio
 import contextlib
+import logging as stdlib_logging
 import os
 import sys
 
@@ -559,9 +559,12 @@ class PluginSupervisor:
         task.add_done_callback(
             lambda done_task: None
             if self._stderr_drain_task is not done_task
-            else setattr(self, "_stderr_drain_task", None)
+            else self._clear_stderr_drain_task()
         )
 
+    def _clear_stderr_drain_task(self) -> None:
+        self._stderr_drain_task = None
+
     async def _drain_runner_stderr(
         self,
         stream: asyncio.StreamReader,
@@ -578,8 +581,7 @@ class PluginSupervisor:
                 line = await stream.readline()
                 if not line:
                     break
-                message = line.decode(errors="replace").rstrip()
+                if message := line.decode(errors="replace").rstrip():
-                if message:
                     # 将 stderr 输出以 WARNING 级展示：
                     # 如果 Runner 正常运行，此流应当无输出；
                     # 有输出说明进程级错误发生，需要出现在主进程日志中

src/plugin_runtime/host/workflow_executor.py

@@ -54,7 +54,7 @@ class ModificationRecord:
     """消息修改记录"""
     __slots__ = ("stage", "hook_name", "timestamp", "fields_changed")
 
-    def __init__(self, stage: str, hook_name: str, fields_changed: List[str]):
+    def __init__(self, stage: str, hook_name: str, fields_changed: List[str]) -> None:
         self.stage = stage
         self.hook_name = hook_name
         self.timestamp = time.perf_counter()
@@ -64,7 +64,7 @@ class ModificationRecord:
 class WorkflowContext:
     """Workflow 执行上下文"""
 
-    def __init__(self, trace_id: Optional[str] = None, stream_id: Optional[str] = None):
+    def __init__(self, trace_id: Optional[str] = None, stream_id: Optional[str] = None) -> None:
         self.trace_id = trace_id or uuid.uuid4().hex
         self.stream_id = stream_id
         self.timings: Dict[str, float] = {}
@@ -92,7 +92,7 @@ class WorkflowResult:
         return_message: str = "",
         stopped_at: str = "",
         diagnostics: Optional[Dict[str, Any]] = None,
-    ):
+    ) -> None:
         self.status = status
         self.return_message = return_message
         self.stopped_at = stopped_at
@@ -109,7 +109,7 @@ class WorkflowExecutor:
     实现 stage-based pipeline + per-stage hook chain with priority + early return。
     """
 
-    def __init__(self, registry: ComponentRegistry):
+    def __init__(self, registry: ComponentRegistry) -> None:
         self._registry = registry
 
     async def execute(

src/plugin_runtime/integration.py

@@ -12,6 +12,7 @@ from typing import Any, Dict, List, Optional, Tuple
 import asyncio
 import os
 
+from src.chat.message_receive.chat_manager import BotChatSession
 from src.common.logger import get_logger
 from src.config.config import global_config
 
@@ -852,14 +853,14 @@ class PluginRuntimeManager:
     # ═════════════════════════════════════════════════════════
 
     @staticmethod
-    def _serialize_stream(stream: Any) -> Dict[str, Any]:
+    def _serialize_stream(stream: BotChatSession) -> Dict[str, Any]:
         """将 BotChatSession 序列化为可通过 RPC 传输的字典"""
         return {
-            "session_id": getattr(stream, "session_id", ""),
+            "session_id": stream.session_id,
-            "platform": getattr(stream, "platform", ""),
+            "platform": stream.platform,
-            "user_id": getattr(stream, "user_id", ""),
+            "user_id": stream.user_id,
-            "group_id": getattr(stream, "group_id", ""),
+            "group_id": stream.group_id,
-            "is_group_session": getattr(stream, "is_group_session", False),
+            "is_group_session": stream.is_group_session,
         }
 
     @staticmethod

src/plugin_runtime/protocol/envelope.py

@@ -5,11 +5,12 @@
 """
 
 from enum import Enum
-from pydantic import BaseModel, Field
 from typing import Any, Dict, List, Optional
 
-import time
+from pydantic import BaseModel, Field
+
 import logging as stdlib_logging
+import time
 
 
 # ─── 协议常量 ──────────────────────────────────────────────────────
@@ -35,7 +36,7 @@ class MessageType(str, Enum):
 class RequestIdGenerator:
     """单调递增 int64 请求 ID 生成器（线程安全由调用方保证或使用 asyncio）"""
 
-    def __init__(self, start: int = 1):
+    def __init__(self, start: int = 1) -> None:
         self._counter = start
 
     def next(self) -> int:

src/plugin_runtime/protocol/errors.py

@@ -39,7 +39,12 @@ class ErrorCode(str, Enum):
 class RPCError(Exception):
     """RPC 调用异常"""
 
-    def __init__(self, code: ErrorCode, message: str = "", details: Optional[Dict[str, Any]] = None):
+    def __init__(
+        self,
+        code: ErrorCode,
+        message: str = "",
+        details: Optional[Dict[str, Any]] = None,
+    ) -> None:
         self.code = code
         self.message = message or code.value
         self.details = details or {}

src/plugin_runtime/runner/log_handler.py

@@ -24,12 +24,13 @@ Host 端将其重放到主进程的 Logger（以 plugin.<name> 为名）中，
 """
 from __future__ import annotations
 
+from typing import TYPE_CHECKING, List, Optional
+
 import asyncio
 import collections
 import contextlib
 import json
 import logging
-from typing import TYPE_CHECKING, List, Optional
 
 from src.plugin_runtime.protocol.envelope import LogBatchPayload, LogEntry
 

src/plugin_runtime/runner/manifest_validator.py

@@ -70,7 +70,7 @@ class ManifestValidator:
     RECOMMENDED_FIELDS = ["license", "keywords", "categories"]
     SUPPORTED_MANIFEST_VERSIONS = [1, 2]
 
-    def __init__(self, host_version: str = ""):
+    def __init__(self, host_version: str = "") -> None:
         self._host_version = host_version
         self.errors: List[str] = []
         self.warnings: List[str] = []

src/plugin_runtime/runner/plugin_loader.py

@@ -30,7 +30,7 @@ class PluginMeta:
         plugin_dir: str,
         plugin_instance: Any,
         manifest: Dict[str, Any],
-    ):
+    ) -> None:
         self.plugin_id = plugin_id
         self.plugin_dir = plugin_dir
         self.instance = plugin_instance
@@ -61,7 +61,7 @@ class PluginLoader:
     - plugin.py: 插件入口模块（导出 create_plugin 工厂函数）
     """
 
-    def __init__(self, host_version: str = ""):
+    def __init__(self, host_version: str = "") -> None:
         self._loaded_plugins: Dict[str, PluginMeta] = {}
         self._failed_plugins: Dict[str, str] = {}
         self._manifest_validator = ManifestValidator(host_version=host_version)

src/plugin_runtime/runner/runner_main.py

@@ -9,19 +9,17 @@
 6. 转发插件的能力调用到 Host
 """
 
-import logging as stdlib_logging
+from typing import Any, List, Optional
-from typing import List, Optional
 
 import asyncio
 import contextlib
 import inspect
+import logging as stdlib_logging
 import os
 import signal
 import sys
 import time
 
-from typing import Any
-
 from src.common.logger import get_console_handler, get_logger, initialize_logging
 from src.plugin_runtime import ENV_IPC_ADDRESS, ENV_PLUGIN_DIRS, ENV_SESSION_TOKEN
 from src.plugin_runtime.protocol.envelope import (
@@ -543,9 +541,12 @@ async def _async_main() -> None:
     runner = PluginRunner(host_address, session_token, plugin_dirs)
 
     # 注册信号处理
+    def _mark_runner_shutting_down() -> None:
+        runner._shutting_down = True
+
     loop = asyncio.get_event_loop()
     for sig in (signal.SIGTERM, signal.SIGINT):
-        loop.add_signal_handler(sig, lambda: setattr(runner, "_shutting_down", True))
+        loop.add_signal_handler(sig, _mark_runner_shutting_down)
 
     await runner.run()
 

src/plugin_runtime/transport/base.py

@@ -7,12 +7,12 @@
 分帧协议：4-byte big-endian length prefix + payload
 """
 
+import asyncio
+import contextlib
+import struct
 from abc import ABC, abstractmethod
 from typing import Awaitable, Callable
 
-import asyncio
-import struct
-
 # 分帧常量
 FRAME_HEADER_SIZE = 4  # 4 字节长度前缀
 MAX_FRAME_SIZE = 16 * 1024 * 1024  # 16 MB 最大帧大小
@@ -23,13 +23,13 @@ class ConnectionClosed(Exception):
     pass
 
 
-class Connection(ABC):
+class Connection:
     """单个连接的抽象
 
     封装了底层 StreamReader/StreamWriter，提供分帧读写能力。
     """
 
-    def __init__(self, reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
+    def __init__(self, reader: asyncio.StreamReader, writer: asyncio.StreamWriter) -> None:
         self._reader = reader
         self._writer = writer
         self._closed = False
@@ -57,19 +57,16 @@ class Connection(ABC):
         if length > MAX_FRAME_SIZE:
             raise ValueError(f"帧大小 {length} 超过最大限制 {MAX_FRAME_SIZE}")
         # 读取 payload
-        payload = await self._reader.readexactly(length)
+        return await self._reader.readexactly(length)
-        return payload
 
     async def close(self) -> None:
         """关闭连接"""
         if self._closed:
             return
         self._closed = True
-        try:
+        with contextlib.suppress(Exception):
             self._writer.close()
             await self._writer.wait_closed()
-        except Exception:
-            pass
 
     @property
     def is_closed(self) -> bool:

src/plugin_runtime/transport/tcp.py

@@ -19,7 +19,7 @@ class TCPConnection(Connection):
 class TCPTransportServer(TransportServer):
     """TCP 传输服务端（回退方案）"""
 
-    def __init__(self, host: str = "127.0.0.1", port: int = 0):
+    def __init__(self, host: str = "127.0.0.1", port: int = 0) -> None:
         self._host = host
         self._port = port  # 0 表示自动分配
         self._server: Optional[asyncio.AbstractServer] = None
@@ -52,7 +52,7 @@ class TCPTransportServer(TransportServer):
 class TCPTransportClient(TransportClient):
     """TCP 传输客户端"""
 
-    def __init__(self, host: str, port: int):
+    def __init__(self, host: str, port: int) -> None:
         self._host = host
         self._port = port
 

src/plugin_runtime/transport/uds.py

@@ -26,7 +26,7 @@ _UDS_PATH_MAX = 104
 class UDSTransportServer(TransportServer):
     """UDS 传输服务端"""
 
-    def __init__(self, socket_path: Optional[str] = None):
+    def __init__(self, socket_path: Optional[str] = None) -> None:
         if socket_path is None:
             # 默认放在临时目录，使用 uuid 确保同一进程多实例不碰撞
             import uuid
@@ -80,7 +80,7 @@ class UDSTransportServer(TransportServer):
 class UDSTransportClient(TransportClient):
     """UDS 传输客户端"""
 
-    def __init__(self, socket_path: str):
+    def __init__(self, socket_path: str) -> None:
         self._socket_path = socket_path
 
     async def connect(self) -> Connection: