fix: chain morning alerts for regime Telegram delivery

Regime is computed at 02:00 ET; without a morning alert pass, quadrant
changes waited until 15:30. Dispatcher is change-driven so quiet days stay
quiet. Drop unused alerts_frequency config.

frontend/src/components/admin/ScheduleSettings.tsx

@@ -21,7 +21,7 @@ const FIELDS: { key: keyof ScheduleConfig; label: string; hint: string; mono?: b
   {
     key: 'schedule_daily_pipeline_cron',
     label: 'Morning pipeline',
-    hint: 'OHLCV → benchmark → sentiment → regime (no R:R scan). Default 02:00 ET.',
+    hint: 'OHLCV → benchmark → sentiment → regime → alerts (no R:R scan). Default 02:00 ET so regime-quadrant changes hit Telegram in the morning.',
     mono: true,
   },
   {