Auto-generate sessions when schedule is saved

When a training schedule is created or updated, immediately generate
sessions for the next 7 days so trainers see today's sessions without
waiting for the nightly cron.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Domain/Training/Models/TrainingSchedule.php

@@ -4,7 +4,9 @@
 
 use App\Domain\Shared\Traits\BelongsToAcademy;
 use App\Domain\Shared\Traits\HasUuid;
+use App\Domain\Training\Services\SessionGeneratorService;
 use App\Models\User;
+use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -13,6 +15,19 @@ class TrainingSchedule extends Model
 {
     use BelongsToAcademy, HasUuid;
 
+    protected static function booted(): void
+    {
+        static::saved(function (TrainingSchedule $schedule) {
+            if ($schedule->is_active && $schedule->group) {
+                app(SessionGeneratorService::class)->generate(
+                    $schedule->group,
+                    Carbon::today(),
+                    Carbon::today()->addDays(7),
+                );
+            }
+        });
+    }
+
     protected $fillable = [
         'academy_id', 'training_group_id', 'facility_id',
         'day_of_week', 'start_time', 'end_time',