Initial commit: CookIT recipe collection and week planner

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

docs/adr/0001-local-first-sqlite-with-uuids.md

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+# Local-first storage in SQLite (drift), with UUIDs for later sync
+
+CookIt keeps the whole Recipe collection on the device in a SQLite database accessed through drift, with no server. One cook on one Android phone doesn't need a backend, and the Recipe Bundle export is the backup. Every record gets a UUID rather than an auto-increment integer so a sync service can be added later without rewriting IDs or references.
+
+## Considered Options
+
+- **sqflite**: no code generation, but queries aren't checked at compile time and watch streams have to be wired by hand.
+- **JSON files**: simplest, but weak once Meal Plans reference Recipes.
+- **Cloud backend from day one** (Supabase/Firebase): not worth running for a single user in v1.