Fix Error: calling "initialize": invalid trailing data at the end of stream.

Server/src/main.py

@@ -3,11 +3,50 @@
 import logging
 from contextlib import asynccontextmanager
 import os
+import sys
 import threading
 import time
 from typing import AsyncIterator, Any
 from urllib.parse import urlparse
 
+if sys.platform == 'win32':
+    import msvcrt
+    import io
+
+    # Set binary mode on stdin/stdout to prevent automatic translation at the FD level
+    msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+
+    # Define a proxy buffer that actively strips \r bytes from the output stream
+    class CRStripper:
+        def __init__(self, stream):
+            self._stream = stream
+
+        def write(self, data):
+            if isinstance(data, bytes):
+                return self._stream.write(data.replace(b'\r', b''))
+            if isinstance(data, str):
+                return self._stream.write(data.replace('\r', ''))
+            return self._stream.write(data)
+
+        def flush(self):
+            return self._stream.flush()
+
+        def __getattr__(self, name):
+            return getattr(self._stream, name)
+
+    # Detach the underlying buffer from the current sys.stdout
+    # and re-wrap it with our CRStripper and a new TextIOWrapper
+    _original_buffer = sys.stdout.detach()
+    sys.stdout = io.TextIOWrapper(
+        CRStripper(_original_buffer),
+        encoding=sys.stdout.encoding or 'utf-8',
+        errors=sys.stdout.errors or 'strict',
+        newline='\n',  # Enforce LF for text writing
+        line_buffering=True,
+        write_through=True
+    )
+
 from fastmcp import FastMCP
 from logging.handlers import RotatingFileHandler
 from starlette.requests import Request