Add requires_capture_bus attribute to BaseModule and passive modules

- BaseModule now has requires_capture_bus = False default
- All 17 passive modules set requires_capture_bus = True
- bigbrother.py imports CaptureBus from core.capture_bus
- Ready for Engine to instantiate and inject CaptureBus

bigbrother.py

@@ -37,6 +37,7 @@ from core.tool_manager import ToolManager
 from core.scheduler import Scheduler
 from core.resource_monitor import ResourceMonitor
 from core.kill_switch import KillSwitch
+from core.capture_bus import CaptureBus
 from modules.base import BaseModule
 from utils.config_loader import load_config, ConfigLoader
 from utils.resource import (