add get/set state functions for the person_representation component.

PiperOrigin-RevId: 692898477
Change-Id: I43a4dca9987fad5c043ac87fd8cb64a62e7b1311

concordia/components/agent/person_representation.py

@@ -185,3 +185,15 @@ def _make_pre_act_value(self) -> str:
     })
 
     return result
+
+  def get_state(self) -> entity_component.ComponentState:
+    """Converts the component to JSON data."""
+    with self._lock:
+      return {
+          'names_detected': self._names_detected,
+      }
+
+  def set_state(self, state: entity_component.ComponentState) -> None:
+    """Sets the component state from JSON data."""
+    with self._lock:
+      self._names_detected = state['names_detected']