Add callbacks, crescendo sound and better configs

ui/model.go

@@ -2,6 +2,7 @@ package ui
 
 import (
 	"fmt"
+	"os/exec"
 	"strings"
 	"time"
 	"woke/db"
@@ -200,6 +201,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	case autoTimeoutMsg:
 		if m.firingAlarm != nil {
 			m.player.Stop()
+			m.runCallback("timeout", m.firingAlarm.Name)
 			m.statusMsg = fmt.Sprintf("Alarm auto-dismissed after %d minutes", m.settings.TimeoutMinutes)
 			m.firingAlarm = nil
 			m.snoozeCount = 0
@@ -232,12 +234,14 @@ func (m Model) handleKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 		case "enter", " ", "d":
 			m.player.Stop()
 			alarm := m.firingAlarm
+			m.runCallback("dismiss", alarm.Name)
 			m.firingAlarm = nil
 			m.snoozeCount = 0
 			m.statusMsg = fmt.Sprintf("Alarm '%s' dismissed", alarm.Name)
 		case "s":
 			m.player.Stop()
 			alarm := *m.firingAlarm
+			m.runCallback("snooze", alarm.Name)
 			dur := m.snoozeDuration()
 			m.firingAlarm = nil
 			m.snoozeUntil = time.Now().Add(dur)
@@ -342,7 +346,30 @@ func (m *Model) startFiring(alarm *db.Alarm) {
 	if sound == "default" || sound == "" {
 		sound = m.settings.DefaultSound
 	}
-	m.player.PlayLoop(sound)
+
+	// Use crescendo if enabled
+	cresc := player.CrescendoConfig{
+		Enabled:   m.settings.CrescendoEnabled,
+		StartPct:  m.settings.CrescendoStartPct,
+		EndPct:    m.settings.CrescendoEndPct,
+		DurationS: m.settings.CrescendoDurationS,
+	}
+	m.player.PlayLoopWithCrescendo(sound, cresc)
+
+	// Fire callback
+	m.runCallback("start", alarm.Name)
+}
+
+// runCallback executes the configured callback script with the event type and alarm name.
+func (m *Model) runCallback(event, alarmName string) {
+	script := m.settings.CallbackScript
+	if script == "" {
+		return
+	}
+	// Run in background, don't block
+	go func() {
+		_ = exec.Command(script, event, alarmName).Run()
+	}()
 }
 
 func snoozeCmd(alarm db.Alarm, after time.Duration) tea.Cmd {