feat: add name field to SnapshotHoldingResponse, TransactionResponse, and backtest TransactionItem schemas

backend/app/schemas/backtest.py

@@ -121,6 +121,7 @@ class TransactionItem(BaseModel):
     id: int
     date: date
     ticker: str
+    name: str | None = None
     action: str
     shares: int
     price: FloatDecimal

backend/app/schemas/portfolio.py

@@ -71,6 +71,7 @@ class TransactionCreate(TransactionBase):
 
 class TransactionResponse(TransactionBase):
     id: int
+    name: str | None = None
 
     class Config:
         from_attributes = True
@@ -113,6 +114,7 @@ class PortfolioDetail(PortfolioResponse):
 # Snapshot schemas
 class SnapshotHoldingResponse(BaseModel):
     ticker: str
+    name: str | None = None
     quantity: int
     price: FloatDecimal
     value: FloatDecimal