feat: Add currency and unit support across models, routes, and templates; enhance UI for consumption, costs, and production

tests/unit/conftest.py

@@ -111,21 +111,27 @@ def seeded_ui_data(db_session: Session) -> Generator[Dict[str, Any], None, None]
         scenario_id=scenario.id,
         amount=1_000_000.0,
         description="Drill purchase",
+        currency_code="USD",
     )
     opex = Opex(
         scenario_id=scenario.id,
         amount=250_000.0,
         description="Fuel spend",
+        currency_code="USD",
     )
     consumption = Consumption(
         scenario_id=scenario.id,
         amount=1_200.0,
         description="Diesel (L)",
+        unit_name="Liters",
+        unit_symbol="L",
     )
     production = ProductionOutput(
         scenario_id=scenario.id,
         amount=800.0,
         description="Ore (tonnes)",
+        unit_name="Tonnes",
+        unit_symbol="t",
     )
     equipment = Equipment(
         scenario_id=scenario.id,