🔧 fix: remove unused variables and imports flagged by ruff

Remove unused `chat` variable in anti_spam.py, unused `settings`
variable and import in check.py, and unused `Path` import in
test_group_config.py. Update test patches accordingly.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: hendisantika

src/bot/handlers/anti_spam.py

@@ -215,7 +215,6 @@ async def handle_new_user_spam(
         return
 
     group_config = get_group_config_for_update(update)
-    chat = update.effective_chat
     user = update.message.from_user
 
     # Only process messages from monitored groups

src/bot/handlers/check.py

@@ -13,7 +13,6 @@
 from telegram.error import TimedOut
 from telegram.ext import ContextTypes
 
-from bot.config import get_settings
 from bot.constants import (
     ADMIN_CHECK_ACTION_COMPLETE,
     ADMIN_CHECK_ACTION_INCOMPLETE,
@@ -248,7 +247,6 @@ async def handle_warn_callback(
         missing_items.append("username")
     missing_text = MISSING_ITEMS_SEPARATOR.join(missing_items) if missing_items else "profil"
 
-    settings = get_settings()
     registry = get_group_registry()
 
     try:

tests/test_check.py

@@ -415,12 +415,9 @@ async def test_warn_callback_success(
         mock_chat.full_name = "Test User"
         mock_context.bot.get_chat.return_value = mock_chat
 
-        with (
-            patch("bot.handlers.check.get_settings", return_value=mock_settings),
-            patch(
-                "bot.handlers.check.get_group_registry",
-                return_value=mock_registry,
-            ),
+        with patch(
+            "bot.handlers.check.get_group_registry",
+            return_value=mock_registry,
         ):
             await handle_warn_callback(update, mock_context)
 
@@ -458,12 +455,9 @@ async def test_warn_callback_success_missing_photo_only(
         mock_chat.username = "testuser"
         mock_context.bot.get_chat.return_value = mock_chat
 
-        with (
-            patch("bot.handlers.check.get_settings", return_value=mock_settings),
-            patch(
-                "bot.handlers.check.get_group_registry",
-                return_value=mock_registry,
-            ),
+        with patch(
+            "bot.handlers.check.get_group_registry",
+            return_value=mock_registry,
         ):
             await handle_warn_callback(update, mock_context)
 
@@ -533,12 +527,9 @@ async def test_warn_callback_send_message_error(
         mock_context.bot.get_chat.return_value = mock_chat
         mock_context.bot.send_message.side_effect = Exception("Failed to send")
 
-        with (
-            patch("bot.handlers.check.get_settings", return_value=mock_settings),
-            patch(
-                "bot.handlers.check.get_group_registry",
-                return_value=mock_registry,
-            ),
+        with patch(
+            "bot.handlers.check.get_group_registry",
+            return_value=mock_registry,
         ):
             await handle_warn_callback(update, mock_context)
 
@@ -565,12 +556,9 @@ async def test_warn_callback_timeout(
         mock_context.bot.get_chat.return_value = mock_chat
         mock_context.bot.send_message.side_effect = TimedOut()
 
-        with (
-            patch("bot.handlers.check.get_settings", return_value=mock_settings),
-            patch(
-                "bot.handlers.check.get_group_registry",
-                return_value=mock_registry,
-            ),
+        with patch(
+            "bot.handlers.check.get_group_registry",
+            return_value=mock_registry,
         ):
             await handle_warn_callback(update, mock_context)
 
@@ -596,12 +584,9 @@ async def test_warn_callback_get_chat_timeout(
 
         mock_context.bot.get_chat.side_effect = TimedOut()
 
-        with (
-            patch("bot.handlers.check.get_settings", return_value=mock_settings),
-            patch(
-                "bot.handlers.check.get_group_registry",
-                return_value=mock_registry,
-            ),
+        with patch(
+            "bot.handlers.check.get_group_registry",
+            return_value=mock_registry,
         ):
             await handle_warn_callback(update, mock_context)
 

tests/test_group_config.py

@@ -3,7 +3,6 @@
 import json
 import tempfile
 from datetime import timedelta
-from pathlib import Path
 from unittest.mock import MagicMock, patch
 
 import pytest