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

backend/app/schemas/__init__.py

@@ -147,7 +147,7 @@ class PlannerConfigOverride(BaseModel):
     time_full_minutes: Optional[int] = Field(default=None, ge=0)
     recency_full_weeks: Optional[int] = Field(default=None, ge=0)
     top_k: Optional[int] = Field(default=None, ge=1)
-    set_size: Optional[int] = Field(default=None, ge=1)
+    set_size: Optional[int] = Field(default=None, ge=3, le=3)
     p_protein: Optional[float] = Field(default=None, ge=0)
     p_cuisine: Optional[float] = Field(default=None, ge=0)
 
@@ -392,24 +392,6 @@ class ShoppingListResponse(BaseModel):
     by_aisle: dict[str, List[ShoppingListItem]]
 
 
-# Sprint 12: Spoonacular external recipe search. The hit shape is
-# what the webui shows in the "Search the web" panel; the import
-# request is what the import button POSTs.
-class RecipeSearchHit(BaseModel):
-    external_id: str
-    external_source: str = "spoonacular"
-    name: str
-    image_url: Optional[str] = None
-    source_url: Optional[str] = None
-    prep_time_minutes: Optional[int] = None
-    cook_time_minutes: Optional[int] = None
-    servings: Optional[int] = None
-    cuisine_tags: List[str] = Field(default_factory=list)
-    dietary_tags: List[str] = Field(default_factory=list)
-    protein_type: Optional[str] = None
-    calories_per_serving: Optional[int] = None
-
-
 class RecipeImportRequest(BaseModel):
     external_id: str
     external_source: str = "spoonacular"