Updates

backend/app/schemas/scenario.py

@@ -6,8 +6,9 @@ from app.schemas.product import ProductCostBreakdown
 
 
 class ScenarioCreate(BaseModel):
-    name: str
-    description: str | None = None
+    model_config = ConfigDict(extra="forbid")
+    name: str = Field(min_length=1, max_length=255)
+    description: str | None = Field(default=None, max_length=2000)
     overrides: dict = Field(default_factory=dict)