Add automatic lunch feature. Clean up some code.

packages/backend/convex/crons.ts

@@ -4,10 +4,26 @@ import { api } from './_generated/api';
 
 const crons = cronJobs();
 
-// Runs at 5:00 PM America/Chicago, Monday–Friday.
-// Convex will handle DST if your project version supports `timeZone`.
+crons.cron(
+  // Run at 7:00 AM CST / 8:00 AM CDT
+  // Only on weekdays
+  'Schedule Automatic Lunches',
+  '0 13 * * 1-5',
+  api.statuses.automaticLunch,
+);
+
+crons.cron(
+  // Run at 7:00 AM CST / 8:00 AM CDT
+  // Only on weekdays
+  'Schedule Automatic Lunches Test',
+  '25 18 * * 1-5',
+  api.statuses.automaticLunch,
+);
+
 crons.cron(
   'End of shift (weekdays 5pm CT)',
+  // Run at 4:00 PM CST / 5:00 PM CDT
+  // Only on weekdays
   '0 22 * * 1-5',
   api.statuses.endOfShiftUpdate,
 );