feat: let villagers witness and trust the player restock

world/ui/village_whisper_hud.gd

@@ -34,6 +34,7 @@ func _ready() -> void:
 	simulation_manager.event_knowledge_changed.connect(_on_helper_facts_changed)
 	simulation_manager.event_knowledge_forgotten.connect(_on_helper_fact_forgotten)
 	simulation_manager.relationship_changed.connect(_on_helper_relationship_changed)
+	simulation_manager.relationship_changed.connect(_on_player_trust_changed)
 	simulation_manager.npc_inventory_changed.connect(_on_helper_inventory_changed)
 	simulation_manager.village_changed.connect(_on_village_changed)
 	simulation_manager.state_restored.connect(_on_state_restored)
@@ -112,6 +113,31 @@ func _on_helper_relationship_changed(
 	_refresh_player_response()
 
 
+func _on_player_trust_changed(
+	relationship: RelationshipStateRecord, cause_event: EconomicEventRecord
+) -> void:
+	if relationship == null or cause_event == null:
+		return
+	if relationship.get_subject_id() != SimulationIds.PLAYER_ACTOR_ID:
+		return
+	if _is_active_need_supply(cause_event):
+		return
+	var observer_name := _get_npc_name(relationship.get_observer_id())
+	_show_feedback(
+		"Trust grows", "%s trusts you — you stocked the pantry." % observer_name, &"player_trust"
+	)
+
+
+func _is_active_need_supply(cause_event: EconomicEventRecord) -> bool:
+	var opportunity: OpportunityStateRecord = simulation_manager.get_active_opportunity()
+	if opportunity == null:
+		return false
+	return (
+		opportunity.get_target_id() == StringName(cause_event.data["destination_id"])
+		and opportunity.get_resource_id() == StringName(cause_event.data["item_id"])
+	)
+
+
 func _on_helper_inventory_changed(_npc: SimNPC, _item_id: StringName, _amount: float) -> void:
 	_refresh_player_response()