feat: separate categories table + /categories management page

- Categories table (id, name unique) with FK from groceries.category_id
- /categories page for add/delete categories
- Main page uses native <select> dropdown for category
- Categories grouped by name in list/catalog views
- Regenerated drizzle migrations from scratch

1 files changed, 16 insertions, 0 deletions

diff --git a/drizzle/0000_youthful_mercury.sql b/drizzle/0000_youthful_mercury.sql
new file mode 100644
index 0000000..6dde7ff
--- /dev/null
+++ b/drizzle/0000_youthful_mercury.sql
@@ -0,0 +1,16 @@
+CREATE TABLE `categories` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`name` text NOT NULL
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `categories_name_unique` ON `categories` (`name`);--> statement-breakpoint
+CREATE TABLE `groceries` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`name` text NOT NULL,
+	`checked` integer DEFAULT false NOT NULL,
+	`created_at` text NOT NULL,
+	`category_id` integer,
+	FOREIGN KEY (`category_id`) REFERENCES `categories`(`id`) ON UPDATE no action ON DELETE no action
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `groceries_name_unique` ON `groceries` (`name`);
\ No newline at end of file