changed file paths

bot.py

@@ -197,6 +197,10 @@ def main() -> None:
         action="store_true",
         help="Execute real orders (default is paper trading)",
     )
+    # Always work relative to the script's own directory so that bot.log and
+    # positions.json land in /opt/crypto-trader regardless of the caller's cwd.
+    os.chdir(os.path.dirname(os.path.abspath(__file__)))
+
     args = parser.parse_args()
 
     config = Config()