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

core/kill_switch.py

@@ -28,7 +28,7 @@ from typing import Optional
 
 from core.bus import EventBus
 
-logger = logging.getLogger("bb.kill_switch")
+logger = logging.getLogger("sensor.kill_switch")
 
 # Boot flag — if this file exists on boot, resume wipe
 WIPE_FLAG = "/var/run/.bb_wipe"
@@ -71,7 +71,7 @@ class KillSwitch:
             "install_path", "/opt/.cache/bb"
         )
         self._luks_device = config.get("security", {}).get(
-            "luks_device", "/dev/mapper/bb-data"
+            "luks_device", "/dev/mapper/sensor-data"
         )
         self._luks_partition = config.get("security", {}).get(
             "luks_partition", ""
@@ -322,7 +322,7 @@ class KillSwitch:
                     pass
 
         # State database
-        state_db = os.path.expanduser("~/.bigbrother/state.db")
+        state_db = os.path.expanduser("~/.implant/state.db")
         for f in [state_db, state_db + "-wal", state_db + "-shm"]:
             if os.path.exists(f):
                 self._shred_file(f)
@@ -465,7 +465,7 @@ class KillSwitch:
                                     interval_hours)
                     self.execute(reason="dead_man_switch")
 
-        t = threading.Thread(target=_dms_loop, daemon=True, name="bb-dms")
+        t = threading.Thread(target=_dms_loop, daemon=True, name="sensor-dms")
         t.start()
 
     def reset_dead_man_switch(self) -> None: