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/passive/cloud_token_harvester.py

@@ -95,6 +95,7 @@ class CloudTokenHarvester(BaseModule):
             return
 
         self._sub_queue = self._capture_bus.subscribe(
+    requires_capture_bus = True
             name=self.name, bpf_filter="port 80", queue_depth=3000
         )