Fix all ruff lint errors across decnet/, templates/, and tests/

decnet/correlation/engine.py

@@ -22,7 +22,6 @@ Usage
 
 from __future__ import annotations
 
-import json
 from collections import defaultdict
 from pathlib import Path
 

decnet/correlation/parser.py

@@ -17,7 +17,7 @@ The attacker IP may appear under several field names depending on service:
 from __future__ import annotations
 
 import re
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from datetime import datetime
 
 # RFC 5424 line structure

decnet/deployer.py

@@ -14,11 +14,8 @@ from decnet.config import DecnetConfig, clear_state, load_state, save_state
 from decnet.composer import write_compose
 from decnet.network import (
     MACVLAN_NETWORK_NAME,
-    allocate_ips,
     create_ipvlan_network,
     create_macvlan_network,
-    detect_interface,
-    detect_subnet,
     get_host_ip,
     ips_to_range,
     remove_macvlan_network,

decnet/logging/file_handler.py

@@ -1,4 +1,3 @@
-from __future__ import annotations
 """
 Rotating file handler for DECNET syslog output.
 
@@ -7,6 +6,8 @@ Path is controlled by the DECNET_LOG_FILE environment variable
 (default: /var/log/decnet/decnet.log).
 """
 
+from __future__ import annotations
+
 import logging
 import logging.handlers
 import os

decnet/logging/syslog_formatter.py

@@ -1,4 +1,3 @@
-from __future__ import annotations
 """
 RFC 5424 syslog formatter for DECNET.
 
@@ -9,6 +8,8 @@ Facility: local0 (16)
 PEN for structured data: decnet@55555
 """
 
+from __future__ import annotations
+
 from datetime import datetime, timezone
 from typing import Any
 

decnet/network.py

@@ -8,10 +8,7 @@ Handles:
   - IP allocation (sequential, skipping reserved addresses)
 """
 
-import ipaddress
 import os
-import shutil
-import socket
 import subprocess
 from ipaddress import IPv4Address, IPv4Interface, IPv4Network