Time unification

inventory-server/dashboard/acot-server/db/connection.js

@@ -211,7 +211,12 @@ async function setupSshTunnel() {
     password: process.env.PROD_DB_PASSWORD,
     database: process.env.PROD_DB_NAME,
     port: process.env.PROD_DB_PORT || 3306,
-    timezone: 'Z'
+    // DATETIME columns in this DB store Central wall-clock literals. Return
+    // them as literal strings so consumers parse them explicitly with
+    // parseMySql() (zone America/Chicago) from shared/business-time — never
+    // let the driver guess a zone (the old `timezone: 'Z'` mangled every
+    // value by labeling Central wall-clock as UTC).
+    dateStrings: true
   };
 
   return new Promise((resolve, reject) => {