Initial commit: CookIT recipe collection and week planner

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/adr/0002-recipe-parts-stored-as-json.md

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+# A Recipe's parts are stored as JSON columns on its row
+
+Ingredient Groups and Lines, Step Sections, Photos, Tags, Sources and Review Flag reasons are stored as JSON in the `recipes` table rather than in their own tables. A Recipe is always loaded, edited and saved as a whole, and search runs in memory over a collection of a few hundred Recipes. Separate tables would add joins and position bookkeeping and gain nothing yet.
+
+## Consequences
+
+If a later feature needs to query across ingredients in SQL (e.g. a shopping list that sums the same ingredient over a Meal Plan), extract them into their own table with a drift migration at that point.