refactor: unify logging to standard logging.getLogger(__name__) pattern

Replace custom get_logger() wrapper with standard Python logging pattern
across executor.py and quarantine.py. Remove dead logger imports from
reports.py. Remove get_logger() function from logging_config.py and its
tests. Reduces logging patterns from 2 to 1.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/vlm/executor.py

@@ -15,7 +15,7 @@ from typing import Optional
 from uuid import uuid4
 
 from vlm.config import Config
-from vlm.logging_config import get_logger, log_operation
+from vlm.logging_config import log_operation
 from vlm.models import ExecutionPlan, FileOperation, OperationResult, RollbackLog
 from vlm.quarantine import QuarantineManager
 from vlm.state import StateManager
@@ -41,7 +41,7 @@ class ExecutionEngine:
             verbose_operations: Emit per-operation dry-run logs at INFO when True
             state_manager: Optional state manager for updating file statuses
         """
-        self.logger = logger or get_logger()
+        self.logger = logger or logging.getLogger(__name__)
         self.config = config
         self.verbose_operations = verbose_operations
         self.state_manager = state_manager

src/vlm/logging_config.py

@@ -106,21 +106,6 @@ def setup_logging(
     return logger
 
 
-def get_logger() -> logging.Logger:
-    """Get the configured VLM logger instance.
-    
-    Returns:
-        Logger instance (creates default configuration if not already set up)
-    """
-    logger = logging.getLogger("vlm")
-    
-    # If logger has no handlers, set up default configuration
-    if not logger.handlers:
-        setup_logging()
-    
-    return logger
-
-
 def log_operation(
     logger: logging.Logger,
     level: int,

src/vlm/quarantine.py

@@ -16,7 +16,7 @@ from pathlib import Path
 from typing import Optional
 
 from .config import Config
-from .logging_config import get_logger, log_operation
+from .logging_config import log_operation
 from .models import FileOperation, OperationResult, QuarantineEntry, QuarantineManifest
 from .scanner import categorize_file
 from .utils import utc_now
@@ -33,7 +33,7 @@ class QuarantineManager:
             logger: Optional logger instance (uses default if not provided)
         """
         self.config = config
-        self.logger = logger or get_logger()
+        self.logger = logger or logging.getLogger(__name__)
     
     def quarantine_file(
         self,

src/vlm/reports.py

@@ -9,15 +9,12 @@ This module provides functionality to generate various reports about the video l
 
 import csv
 import json
-import logging
 from datetime import datetime, timezone
 from io import StringIO
 from pathlib import Path
 
 from vlm.models import DuplicateGroup, MovieIdentity, SeasonCompleteness, SeriesIdentity, VideoFile
 
-logger = logging.getLogger(__name__)
-
 
 def _normalize_to_utc(timestamp: datetime) -> datetime:
     """Normalize a datetime to a UTC instant."""

tests/test_logging.py

@@ -8,7 +8,6 @@ import pytest
 from vlm.logging_config import (
     MAX_LOG_SIZE,
     default_log_dir,
-    get_logger,
     log_operation,
     setup_logging,
 )
@@ -239,28 +238,6 @@ class TestLogRotation:
         assert log_file.stat().st_size < MAX_LOG_SIZE
 
 
-class TestGetLogger:
-    """Test get_logger function."""
-    
-    def test_get_logger_returns_logger(self):
-        """Test that get_logger returns a logger instance."""
-        logger = get_logger()
-        
-        assert logger is not None
-        assert logger.name == "vlm"
-    
-    def test_get_logger_creates_default_config(self):
-        """Test that get_logger creates default configuration if needed."""
-        # Clear any existing handlers
-        logger = logging.getLogger("vlm")
-        logger.handlers.clear()
-        
-        # Get logger should set up default configuration
-        logger = get_logger()
-        
-        assert len(logger.handlers) > 0
-
-
 class TestLogOperation:
     """Test log_operation helper function."""