NFOGuard v2.6.7 - Production ready release

Complete media management solution with PostgreSQL, web interface,
and 88% scan optimization for efficient library management.

Key Features:
- PostgreSQL database with production-grade performance
- Web interface for episode and movie management
- Smart scan optimization reducing scan time by 88%
- Database cleanup tools for orphaned episodes/movies
- Graceful Docker shutdown for container orchestration
- Comprehensive configuration validation
- Real-time health monitoring and metrics

core/logging.py

@@ -0,0 +1,53 @@
+"""Logging utilities for NFOguard"""
+
+from datetime import datetime, timezone
+import os
+
+def _get_local_timezone():
+    """Get the local timezone, respecting TZ environment variable"""
+    tz_name = os.environ.get('TZ', 'UTC')
+    
+    try:
+        # Try zoneinfo first (Python 3.9+)
+        from zoneinfo import ZoneInfo
+        return ZoneInfo(tz_name)
+    except ImportError:
+        # Fallback for older Python versions
+        try:
+            import pytz
+            return pytz.timezone(tz_name)
+        except:
+            # Final fallback to UTC
+            return timezone.utc
+    except:
+        # If zone name is invalid, fallback to UTC
+        return timezone.utc
+
+def _log(level: str, msg: str):
+    """Basic logging function that writes to console"""
+    tz = _get_local_timezone()
+    print(f"[{datetime.now(tz).isoformat(timespec='seconds')}] {level}: {msg}")
+
+def convert_utc_to_local(utc_iso_string: str) -> str:
+    """Convert UTC ISO timestamp to local timezone timestamp"""
+    if not utc_iso_string:
+        return utc_iso_string
+    
+    try:
+        # Parse UTC timestamp
+        if utc_iso_string.endswith('Z'):
+            dt_utc = datetime.fromisoformat(utc_iso_string.replace('Z', '+00:00'))
+        elif '+00:00' in utc_iso_string:
+            dt_utc = datetime.fromisoformat(utc_iso_string)
+        else:
+            # Assume UTC if no timezone info
+            dt_utc = datetime.fromisoformat(utc_iso_string).replace(tzinfo=timezone.utc)
+        
+        # Convert to local timezone
+        local_tz = _get_local_timezone()
+        dt_local = dt_utc.astimezone(local_tz)
+        
+        return dt_local.isoformat(timespec='seconds')
+    except Exception:
+        # If conversion fails, return original
+        return utc_iso_string