Fix db coloum type for manual monitor

db/knex_migrations/2025-06-15-0001-manual-monitor-fix.js

@@ -0,0 +1,13 @@
+// Fix: Change manual_status column type to smallint
+exports.up = function (knex) {
+    return knex.schema
+        .alterTable("monitor", function (table) {
+            table.smallint("manual_status").alter();
+        });
+};
+
+exports.down = function (knex) {
+    return knex.schema.alterTable("monitor", function (table) {
+        table.string("manual_status").alter();
+    });
+};