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

modules/base.py

@@ -15,6 +15,7 @@ class BaseModule(ABC):
     priority: int = 100           # OOM priority (lower = more important)
     dependencies: list = []       # Module names that must be running first
     requires_root: bool = False
+    requires_capture_bus: bool = False
 
     def __init__(self, bus, state, config, engine=None):
         self.bus = bus