change Order id to only allow string (#108)

Author: Phil Varner

CHANGELOG.md

@@ -13,7 +13,9 @@ none
 
 ### Changed
 
-none
+- Order field `id` must be a string, instead of previously allowing int. This is because while an
+  order ID may an integral numeric value, it is not a "number" in the sense that math will be performed
+  order ID values, so string represents this better.
 
 ### Deprecated
 

src/stapi_fastapi/models/order.py

@@ -8,7 +8,6 @@
     BaseModel,
     ConfigDict,
     Field,
-    StrictInt,
     StrictStr,
 )
 
@@ -75,7 +74,7 @@ class OrderProperties(BaseModel):
 class Order(Feature[Geometry, OrderProperties]):
     # We need to enforce that orders have an id defined, as that is required to
     # retrieve them via the API
-    id: StrictInt | StrictStr
+    id: StrictStr
     type: Literal["Feature"] = "Feature"
     links: list[Link] = Field(default_factory=list)