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

packages/db/migrations/sqlite/0035_add_auto_layout_mode.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `board` ADD `layout_mode` text DEFAULT 'custom' NOT NULL;--> statement-breakpoint
+ALTER TABLE `board` ADD `base_layout_id` text REFERENCES layout(id);

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

@@ -246,6 +246,13 @@
       "when": 1760968503571,
       "tag": "0034_add_app_reference_to_integration",
       "breakpoints": true
+    },
+    {
+      "idx": 35,
+      "version": "6",
+      "when": 1764190313293,
+      "tag": "0035_add_auto_layout_mode",
+      "breakpoints": true
     }
   ]
 }