ensure GetCreditPrice.usdPerCredit remains a float

Author: bisgaard-itis

packages/models-library/src/models_library/api_schemas_webserver/product.py

@@ -5,6 +5,7 @@
     ConfigDict,
     Field,
     HttpUrl,
+    NonNegativeFloat,
     NonNegativeInt,
     PlainSerializer,
     PositiveInt,
@@ -20,7 +21,7 @@ class GetCreditPrice(OutputSchema):
     product_name: str
     usd_per_credit: Annotated[
         NonNegativeDecimal,
-        PlainSerializer(float, return_type=float, when_used="json"),
+        PlainSerializer(float, return_type=NonNegativeFloat, when_used="json"),
     ] | None = Field(
         ...,
         description="Price of a credit in USD. "

services/api-server/openapi.json

@@ -5595,7 +5595,8 @@
           "usdPerCredit": {
             "anyOf": [
               {
-                "type": "string"
+                "type": "number",
+                "minimum": 0.0
               },
               {
                 "type": "null"