feat(recept): Baka-kategori + 16 nya redaktionella recept

- Ny 'baking'-tagg (RECIPE_TAGS, text[] - ingen migration). Browse-vyn far
  en 'Baka'-chip som filtrerar pa taggen; befintliga lussekatter +
  saffransbullar taggas ocksa.
- extra-recipes.ts: 16 nya recept som fyller de glesa kategorierna -
  4 bak (kanelbullar, kardemummabullar, appelsmulpaj, frukostfrallor),
  3 frukost, 3 mellanmal (tomma kategorin -> fylld), 3 efterratt, 3 lunch.
- Endast verifierade canonical-ingredienser + berakningsbara enheter, sa
  seed harleder narings-/allergendata utan att krascha (run.ts 675/691).
- Nytt rent invariant-test (ingen DB) kor riktiga computeRecipeNutrition pa
  alla 16: id:n finns, naring berakningsbar, inga slug-krockar. 5 tester grona.
- Seed ar additiv (onConflictDoUpdate) - 'pnpm db:seed' lagger till + taggar
  om utan dataforlust. Full typecheck 20/20.

packages/database/src/seed/data/recipes.ts

@@ -67,4 +67,8 @@ export interface SeedRecipe {
   steps: SeedRecipeStep[];
 }
 
-export { VERIFIED_RECIPES as SEED_RECIPES } from "./verified-recipes.js";
+import { VERIFIED_RECIPES } from "./verified-recipes.js";
+import { EXTRA_RECIPES } from "./extra-recipes.js";
+
+/** Hela seed-katalogen: committade verifierade recept + nya redaktionella extrarecept. */
+export const SEED_RECIPES: SeedRecipe[] = [...VERIFIED_RECIPES, ...EXTRA_RECIPES];