fix: clean up type annotations and unused imports

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/jianda_proxy/proxy.py

@@ -9,9 +9,9 @@ logger = logging.getLogger("jianda_proxy")
 class ProxyHandler(http.server.BaseHTTPRequestHandler):
     protocol_version = "HTTP/1.1"
 
-    REMOTE_DOMAIN = ""
-    UPSTREAM_IP = ""
-    UPSTREAM_PORT = 0
+    REMOTE_DOMAIN: str = ""
+    UPSTREAM_IP: str = ""
+    UPSTREAM_PORT: int = 0
 
     def _proxy_request(self, target_host, target_port, target_path, body=None):
         body_len = int(self.headers.get("Content-Length", 0))
@@ -39,12 +39,12 @@ class ProxyHandler(http.server.BaseHTTPRequestHandler):
                 if kl in ("transfer-encoding", "connection"):
                     continue
                 if kl == "content-length":
-                    self.send_header(k, len(resp_body))
+                    self.send_header(k, str(len(resp_body)))
                     sent_cl = True
                     continue
                 self.send_header(k, v)
             if not sent_cl:
-                self.send_header("Content-Length", len(resp_body))
+                self.send_header("Content-Length", str(len(resp_body)))
             self.end_headers()
             self.wfile.write(resp_body)
         finally:
@@ -73,8 +73,8 @@ class ProxyHandler(http.server.BaseHTTPRequestHandler):
 
     do_GET = do_POST = do_PUT = do_DELETE = do_HEAD = do_PATCH = _do
 
-    def log_message(self, fmt, *args):
-        logger.info("%s - %s", self.address_string(), fmt % args)
+    def log_message(self, format, *args):
+        logger.info("%s - %s", self.address_string(), format % args)
 
 
 def create_server(config):

tests/test_daemon.py

@@ -1,7 +1,5 @@
-import os
-import tempfile
 import pytest
-from unittest.mock import patch, MagicMock
+from unittest.mock import patch
 from jianda_proxy.daemon import (
     read_pid,
     write_pid,

tests/test_proxy.py

@@ -1,8 +1,4 @@
-import threading
-import http.client
-import time
 import pytest
-from unittest.mock import MagicMock, patch
 from jianda_proxy.proxy import create_server