feat(recipe-generation): scale-batch.ts för Fas A Steg 2 (~200 verified)

- 8 batchar om ~27 recept = ~216 mål
- Budgetguard med pause vid 90 %
- DB-dedup mot recipes.titleSv + session-dedup
- Seed verified till staging DB (recipes, recipeIngredients, recipeSteps)
- Stickprov ~15 % per batch med flaggning
- scale-batch.sh wrapper för Node IPv4-workaround
- Lade till ./client export i @app/database
- Lade till dotenv i @app/recipe-generation deps

Relaterat till docs/32-receptkatalog-buildout.md

packages/database/package.json

@@ -6,6 +6,7 @@
   "description": "Drizzle-schema, migrationer, seed och databasklient (separat databas, spec §52)",
   "exports": {
     ".": "./src/index.ts",
+    "./client": "./src/client.ts",
     "./schema": "./src/schema/index.ts",
     "./seed": "./src/seed/index.ts"
   },