Warn about calls closing and content coming off the site

A dashboard widget lists what expires in the next two weeks, and a daily
command reminds whoever edits it a week and a day ahead.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

routes/console.php

@@ -46,6 +46,12 @@ Schedule::command('repos:sync')
     ->withoutOverlapping()
     ->runInBackground();
 
+// A week and a day before a call closes or content comes off the site, the
+// people who could do something about it are told.
+Schedule::command('content:expiring')
+    ->dailyAt('08:00')
+    ->withoutOverlapping();
+
 // Old audit entries: they name people and the addresses they worked from, so
 // they are kept for `audit.retention_days` and no longer.
 Schedule::command('model:prune', ['--model' => [AuditLog::class]])