feat(database): add account-scoped database manager

drizzle/meta/_journal.json

@@ -15,6 +15,13 @@
       "when": 1790640000000,
       "tag": "0001_lifeos_records",
       "breakpoints": true
+    },
+    {
+      "idx": 2,
+      "version": "7",
+      "when": 1790649000000,
+      "tag": "0002_lifeos_db_admin",
+      "breakpoints": true
     }
   ]
 }