Agreeable goat

ui/clock.go

@@ -131,7 +131,8 @@ var bigColonBlink = []string{
 }
 
 // RenderBigClock renders the current time as massive ASCII block digits.
-// Format: HH:MM:SS in 24h. The colon blinks every second.
+// Format: HH:MM:SS in 24h. The colon blinks on a 500ms cycle (offset from
+// the second boundary so it doesn't flip in sync with the digits).
 func RenderBigClock(t time.Time) string {
 	h := t.Hour()
 	m := t.Minute()
@@ -139,6 +140,9 @@ func RenderBigClock(t time.Time) string {
 
 	timeStr := fmt.Sprintf("%02d:%02d:%02d", h, m, s)
 
+	// Colon visible for first 500ms of each second, hidden for last 500ms.
+	colonVisible := t.UnixMilli()%1000 < 500
+
 	var lines [7]string
 	for i := range lines {
 		var parts []string
@@ -147,7 +151,7 @@ func RenderBigClock(t time.Time) string {
 			case ch >= '0' && ch <= '9':
 				parts = append(parts, bigDigits[ch-'0'][i])
 			case ch == ':':
-				if s%2 == 0 {
+				if colonVisible {
 					parts = append(parts, bigColon[i])
 				} else {
 					parts = append(parts, bigColonBlink[i])