feat(18-01): add globalItems, itemGlobalLinks tables and user profile/setup visibility columns

- Add globalItems table with brand, model, category, weightGrams, priceCents, imageUrl, description
- Add itemGlobalLinks junction table linking user items to global items (unique per item)
- Add displayName, avatarUrl, bio nullable columns to users table
- Add isPublic boolean column to setups table (default false)
- Import boolean from drizzle-orm/pg-core
- Generate migration 0001_tough_boomerang.sql

drizzle-pg/0001_tough_boomerang.sql

@@ -0,0 +1,25 @@
+CREATE TABLE "global_items" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"brand" text NOT NULL,
+	"model" text NOT NULL,
+	"category" text,
+	"weight_grams" double precision,
+	"price_cents" integer,
+	"image_url" text,
+	"description" text,
+	"created_at" timestamp DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "item_global_links" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"item_id" integer NOT NULL,
+	"global_item_id" integer NOT NULL,
+	CONSTRAINT "item_global_links_item_id_unique" UNIQUE("item_id")
+);
+--> statement-breakpoint
+ALTER TABLE "setups" ADD COLUMN "is_public" boolean DEFAULT false NOT NULL;--> statement-breakpoint
+ALTER TABLE "users" ADD COLUMN "display_name" text;--> statement-breakpoint
+ALTER TABLE "users" ADD COLUMN "avatar_url" text;--> statement-breakpoint
+ALTER TABLE "users" ADD COLUMN "bio" text;--> statement-breakpoint
+ALTER TABLE "item_global_links" ADD CONSTRAINT "item_global_links_item_id_items_id_fk" FOREIGN KEY ("item_id") REFERENCES "public"."items"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "item_global_links" ADD CONSTRAINT "item_global_links_global_item_id_global_items_id_fk" FOREIGN KEY ("global_item_id") REFERENCES "public"."global_items"("id") ON DELETE cascade ON UPDATE no action;