Add debug logging for recipe filtering

Shows owner and actor_id values when filtering recipes.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/services/recipe_service.py

@@ -86,6 +86,9 @@ class RecipeService:
                     # means the recipe is shared/public and visible to all users
                     if actor_id is None or owner is None or owner == actor_id:
                         recipes.append(recipe)
+                        logger.info(f"Recipe {cid[:16]}... included (owner={owner}, actor={actor_id})")
+                    else:
+                        logger.info(f"Recipe {cid[:16]}... filtered out (owner={owner}, actor={actor_id})")
                 elif recipe and recipe.get("error"):
                     logger.warning(f"Recipe {cid[:16]}... has error: {recipe.get('error')}")
                 else: