requirements.txt

@@ -5,4 +5,3 @@ lz4
 websockets
 pydantic
 aiosqlite
-python-dotenv

src/common/config.py

@@ -1,7 +1,22 @@
 import os
-from dotenv import load_dotenv
+from pathlib import Path
 
-load_dotenv()
+def _load_dotenv():
+    env_path = Path(".env")
+    if not env_path.is_file():
+        return
+    with open(env_path, encoding="utf-8") as f:
+        for line in f:
+            line = line.strip()
+            if not line or line.startswith("#") or "=" not in line:
+                continue
+            key, _, value = line.partition("=")
+            key = key.strip()
+            value = value.strip().strip("\"'")
+            if key and key not in os.environ:
+                os.environ[key] = value
+
+_load_dotenv()
 
 class ServerConfig:
     def __init__(self):