feat(spotlight): add default search engine (#1807)

packages/db/migrations/mysql/0019_crazy_marvel_zombies.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `user` ADD `default_search_engine_id` varchar(64);--> statement-breakpoint
+ALTER TABLE `user` ADD CONSTRAINT `user_default_search_engine_id_search_engine_id_fk` FOREIGN KEY (`default_search_engine_id`) REFERENCES `search_engine`(`id`) ON DELETE set null ON UPDATE no action;

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

@@ -134,6 +134,13 @@
       "when": 1735593853768,
       "tag": "0018_mighty_shaman",
       "breakpoints": true
+    },
+    {
+      "idx": 19,
+      "version": "5",
+      "when": 1735651231818,
+      "tag": "0019_crazy_marvel_zombies",
+      "breakpoints": true
     }
   ]
 }