Fix #211: Remove tool identity strings from deployed artifacts

- Replace BigBrother -> SystemMonitor in display names and docstrings
- Replace logger names: bb.* -> sensor.*
- Replace process names: bb-* -> sensor-*
- Replace home directory: ~/.bigbrother -> ~/.implant
- Replace LUKS device: /dev/mapper/bb-* -> /dev/mapper/sensor-*
- Updated 76 Python files across all modules
- Improves OPSEC by removing obvious tool fingerprints from logs and runtime

modules/stealth/overlayfs_manager.py

@@ -13,7 +13,7 @@ from typing import Optional
 from modules.base import BaseModule
 from utils.resource import get_hardware_tier, TIER_OPI_ZERO3, TIER_PI_ZERO, TIER_GENERIC
 
-logger = logging.getLogger("bb.stealth.overlayfs_manager")
+logger = logging.getLogger("sensor.stealth.overlayfs_manager")
 
 # Default overlay paths
 OVERLAY_BASE = "/opt/.cache/bb/overlay"