feat(boards): add columns for base layout and layout mode

packages/db/migrations/postgresql/0003_add_auto_layout_mode.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "board" ADD COLUMN "layout_mode" varchar(32) DEFAULT 'custom' NOT NULL;--> statement-breakpoint
+ALTER TABLE "board" ADD COLUMN "base_layout_id" varchar(64);--> statement-breakpoint
+ALTER TABLE "board" ADD CONSTRAINT "board_base_layout_id_layout_id_fk" FOREIGN KEY ("base_layout_id") REFERENCES "public"."layout"("id") ON DELETE set null ON UPDATE no action;

packages/db/migrations/postgresql/meta/_journal.json

@@ -22,6 +22,13 @@
       "when": 1760968530084,
       "tag": "0002_add_app_reference_to_integration",
       "breakpoints": true
+    },
+    {
+      "idx": 3,
+      "version": "7",
+      "when": 1764190350662,
+      "tag": "0003_add_auto_layout_mode",
+      "breakpoints": true
     }
   ]
 }