feat: Add `acquisition_year_ref` column to the equipment model and update the historical data schema to use `HistoricalBase`.

src/equipment/model.py

@@ -157,3 +157,4 @@ class EquipmentHistoricalTransactionRecords(Base, DefaultMixin, IdentityMixin):
     eac_eac = Column(Float, nullable=False)
     efdh_equivalent_forced_derated_hours = Column(Float, nullable=False)
     foh_forced_outage_hours = Column(Float, nullable=False)
+    acquisition_year_ref = Column(String, nullable=True)

src/equipment/schema.py

@@ -87,6 +87,8 @@ class MasterBase(DefaultBase):
     category_no: Optional[str] = Field(None, nullable=True)
     proportion: Optional[float] = Field(None, nullable=True)
 
+class HistoricalBase(MasterBase):
+    acquisition_year_ref: Optional[str] = Field(None, nullable=True)
 
 class EquipmentCreate(EquipmentBase):
     pass
@@ -106,7 +108,7 @@ class EquipmentRead(DefaultBase):
     maximo_data: Optional[List[dict]] = Field(None, nullable=True)
     joined_maximo: Optional[List[dict]] = Field(None, nullable=True)
     min_eac_disposal_cost: Optional[float] = Field(None, nullable=True, le=MAX_PRICE)
-    historical_data: Optional[List[MasterBase]] = Field(None, nullable=True)
+    historical_data: Optional[List[HistoricalBase]] = Field(None, nullable=True)
 
 class EquipmentTop10(EquipmentBase):
     id: UUID