feat: 添加全局错误日志捕获

- Python 侧 _dispatch 异常时输出完整堆栈到 stderr
- Go 侧 handler 返回 error 时打印日志
- 升级 Python 包版本至 0.1.4

python/gobridge/__init__.py

@@ -46,7 +46,9 @@ import queue
 import signal
 import socket
 import struct
+import sys
 import threading
+import traceback
 from typing import Any, Callable, TypeVar
 
 T = TypeVar("T")
@@ -346,6 +348,7 @@ def _dispatch(mux: _ConnMux, msg: dict):
         pass  # ctx 取消，连接已被 Go 侧关闭，无需回写
 
     except Exception as e:
+        traceback.print_exc(file=sys.stderr)
         mux.write({"id": msg_id, "type": "error", "error": str(e)})
 
     finally:

python/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "gobridge"
-version = "0.1.3"
+version = "0.1.4"
 description = "Python 端库，配合 Go 侧 gobridge 使用"
 requires-python = ">=3.10"