feat(meals): enforce three lower-calorie dinners with media

backend/tests/test_recipe_schema.py

@@ -3,7 +3,7 @@ from uuid import uuid4
 import pytest
 from pydantic import ValidationError
 
-from app.schemas.recipe import RecipeCreate, RecipeIngredientRef, ResolveIngredientRequest
+from app.schemas.recipe import RecipeCreate, RecipeIngredientRef, RecipeRead, ResolveIngredientRequest
 
 
 def test_recipe_create_requires_canonical_ingredient_ids() -> None:
@@ -36,6 +36,28 @@ def test_recipe_create_rejects_empty_ingredients() -> None:
         )
 
 
+def test_recipe_read_allows_nullable_discovered_recipe_fields() -> None:
+    iid = uuid4()
+
+    payload = RecipeRead(
+        id=uuid4(),
+        name="Imported Recipe With Sparse Metadata",
+        servings=4,
+        prep_time_minutes=None,
+        cook_time_minutes=None,
+        cuisine_tags=[],
+        dietary_tags=[],
+        protein_type=None,
+        ingredients=[RecipeIngredientRef(ingredient_id=iid, qty=1.0, unit="ea")],
+        instructions=["Cook until done"],
+        side_dishes=None,
+    )
+
+    assert payload.prep_time_minutes is None
+    assert payload.cook_time_minutes is None
+    assert payload.protein_type is None
+
+
 def test_resolve_ingredient_request_round_trip() -> None:
     req = ResolveIngredientRequest(text="1 lb chicken thighs")
     assert req.text == "1 lb chicken thighs"